826 lines
40 KiB
LLVM
826 lines
40 KiB
LLVM
; RUN: opt -objc-arc -S < %s | FileCheck %s
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%struct.__objcFastEnumerationState = type { i64, i8**, i64*, [5 x i64] }
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@"\01L_OBJC_METH_VAR_NAME_" = internal global [43 x i8] c"countByEnumeratingWithState:objects:count:\00", section "__TEXT,__objc_methname,cstring_literals", align 1
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@"\01L_OBJC_SELECTOR_REFERENCES_" = internal global i8* getelementptr inbounds ([43 x i8], [43 x i8]* @"\01L_OBJC_METH_VAR_NAME_", i64 0, i64 0), section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
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@g = common global i8* null, align 8
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@"\01L_OBJC_IMAGE_INFO" = internal constant [2 x i32] [i32 0, i32 16], section "__DATA, __objc_imageinfo, regular, no_dead_strip"
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declare void @callee()
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declare i8* @returner()
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declare i8* @llvm.objc.retainAutoreleasedReturnValue(i8*)
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declare i8* @llvm.objc.retain(i8*)
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declare void @llvm.objc.enumerationMutation(i8*)
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
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declare i8* @llvm.objc.msgSend(i8*, i8*, ...) nonlazybind
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declare void @use(i8*)
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declare void @llvm.objc.release(i8*)
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declare i8* @def()
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declare void @__crasher_block_invoke(i8* nocapture)
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declare i8* @llvm.objc.retainBlock(i8*)
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declare void @__crasher_block_invoke1(i8* nocapture)
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!0 = !{}
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; Delete a nested retain+release pair.
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; CHECK-LABEL: define void @test0(
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; CHECK: call i8* @llvm.objc.retain
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; CHECK-NOT: @llvm.objc.retain
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; CHECK: }
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define void @test0(i8* %a) nounwind {
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entry:
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%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
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%items.ptr = alloca [16 x i8*], align 8
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%0 = call i8* @llvm.objc.retain(i8* %a) nounwind
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%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
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call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
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%1 = call i8* @llvm.objc.retain(i8* %0) nounwind
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%tmp2 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
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%call = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp2, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
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%iszero = icmp eq i64 %call, 0
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br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
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forcoll.loopinit:
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%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
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%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
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%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
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%stateitems.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 1
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br label %forcoll.loopbody.outer
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forcoll.loopbody.outer:
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%forcoll.count.ph = phi i64 [ %call, %forcoll.loopinit ], [ %call6, %forcoll.refetch ]
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%tmp7 = icmp ugt i64 %forcoll.count.ph, 1
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%umax = select i1 %tmp7, i64 %forcoll.count.ph, i64 1
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br label %forcoll.loopbody
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forcoll.loopbody:
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%forcoll.index = phi i64 [ 0, %forcoll.loopbody.outer ], [ %4, %forcoll.notmutated ]
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%mutationsptr3 = load i64*, i64** %mutationsptr.ptr, align 8
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%statemutations = load i64, i64* %mutationsptr3, align 8
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%2 = icmp eq i64 %statemutations, %forcoll.initial-mutations
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br i1 %2, label %forcoll.notmutated, label %forcoll.mutated
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forcoll.mutated:
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call void @llvm.objc.enumerationMutation(i8* %1)
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br label %forcoll.notmutated
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forcoll.notmutated:
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%stateitems = load i8**, i8*** %stateitems.ptr, align 8
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%currentitem.ptr = getelementptr i8*, i8** %stateitems, i64 %forcoll.index
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%3 = load i8*, i8** %currentitem.ptr, align 8
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call void @use(i8* %3)
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%4 = add i64 %forcoll.index, 1
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%exitcond = icmp eq i64 %4, %umax
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br i1 %exitcond, label %forcoll.refetch, label %forcoll.loopbody
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forcoll.refetch:
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%tmp5 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
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%call6 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp5, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
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%5 = icmp eq i64 %call6, 0
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br i1 %5, label %forcoll.empty, label %forcoll.loopbody.outer
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forcoll.empty:
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call void @llvm.objc.release(i8* %1) nounwind
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call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
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ret void
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}
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; Delete a nested retain+release pair.
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; CHECK-LABEL: define void @test2(
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; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
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; CHECK-NOT: @llvm.objc.retain
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; CHECK: }
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define void @test2() nounwind {
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entry:
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%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
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%items.ptr = alloca [16 x i8*], align 8
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%call = call i8* @returner()
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%0 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) nounwind
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%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
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call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
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%1 = call i8* @llvm.objc.retain(i8* %0) nounwind
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%tmp2 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
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%call3 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp2, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
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%iszero = icmp eq i64 %call3, 0
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br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
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forcoll.loopinit:
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%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
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%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
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%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
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%stateitems.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 1
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br label %forcoll.loopbody.outer
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forcoll.loopbody.outer:
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%forcoll.count.ph = phi i64 [ %call3, %forcoll.loopinit ], [ %call7, %forcoll.refetch ]
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%tmp8 = icmp ugt i64 %forcoll.count.ph, 1
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%umax = select i1 %tmp8, i64 %forcoll.count.ph, i64 1
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br label %forcoll.loopbody
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forcoll.loopbody:
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%forcoll.index = phi i64 [ 0, %forcoll.loopbody.outer ], [ %4, %forcoll.notmutated ]
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%mutationsptr4 = load i64*, i64** %mutationsptr.ptr, align 8
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%statemutations = load i64, i64* %mutationsptr4, align 8
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%2 = icmp eq i64 %statemutations, %forcoll.initial-mutations
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br i1 %2, label %forcoll.notmutated, label %forcoll.mutated
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forcoll.mutated:
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call void @llvm.objc.enumerationMutation(i8* %1)
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br label %forcoll.notmutated
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forcoll.notmutated:
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%stateitems = load i8**, i8*** %stateitems.ptr, align 8
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%currentitem.ptr = getelementptr i8*, i8** %stateitems, i64 %forcoll.index
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%3 = load i8*, i8** %currentitem.ptr, align 8
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call void @use(i8* %3)
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%4 = add i64 %forcoll.index, 1
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%exitcond = icmp eq i64 %4, %umax
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br i1 %exitcond, label %forcoll.refetch, label %forcoll.loopbody
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forcoll.refetch:
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%tmp6 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
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%call7 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp6, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
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%5 = icmp eq i64 %call7, 0
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br i1 %5, label %forcoll.empty, label %forcoll.loopbody.outer
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forcoll.empty:
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call void @llvm.objc.release(i8* %1) nounwind
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call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
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ret void
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}
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; Delete a nested retain+release pair.
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; CHECK-LABEL: define void @test4(
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; CHECK: call i8* @llvm.objc.retain
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; CHECK-NOT: @llvm.objc.retain
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; CHECK: }
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define void @test4() nounwind {
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entry:
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%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
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%items.ptr = alloca [16 x i8*], align 8
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%tmp = load i8*, i8** @g, align 8
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%0 = call i8* @llvm.objc.retain(i8* %tmp) nounwind
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%tmp2 = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
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call void @llvm.memset.p0i8.i64(i8* align 8 %tmp2, i8 0, i64 64, i1 false)
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%1 = call i8* @llvm.objc.retain(i8* %0) nounwind
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%tmp4 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
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%call = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp4, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
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%iszero = icmp eq i64 %call, 0
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br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
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forcoll.loopinit:
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%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
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%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
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%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
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%stateitems.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 1
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br label %forcoll.loopbody.outer
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forcoll.loopbody.outer:
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%forcoll.count.ph = phi i64 [ %call, %forcoll.loopinit ], [ %call8, %forcoll.refetch ]
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%tmp9 = icmp ugt i64 %forcoll.count.ph, 1
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%umax = select i1 %tmp9, i64 %forcoll.count.ph, i64 1
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br label %forcoll.loopbody
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forcoll.loopbody:
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%forcoll.index = phi i64 [ 0, %forcoll.loopbody.outer ], [ %4, %forcoll.notmutated ]
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%mutationsptr5 = load i64*, i64** %mutationsptr.ptr, align 8
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%statemutations = load i64, i64* %mutationsptr5, align 8
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%2 = icmp eq i64 %statemutations, %forcoll.initial-mutations
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br i1 %2, label %forcoll.notmutated, label %forcoll.mutated
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forcoll.mutated:
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call void @llvm.objc.enumerationMutation(i8* %1)
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br label %forcoll.notmutated
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forcoll.notmutated:
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%stateitems = load i8**, i8*** %stateitems.ptr, align 8
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%currentitem.ptr = getelementptr i8*, i8** %stateitems, i64 %forcoll.index
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%3 = load i8*, i8** %currentitem.ptr, align 8
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call void @use(i8* %3)
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%4 = add i64 %forcoll.index, 1
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%exitcond = icmp eq i64 %4, %umax
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br i1 %exitcond, label %forcoll.refetch, label %forcoll.loopbody
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forcoll.refetch:
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%tmp7 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
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%call8 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp7, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
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%5 = icmp eq i64 %call8, 0
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br i1 %5, label %forcoll.empty, label %forcoll.loopbody.outer
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forcoll.empty:
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call void @llvm.objc.release(i8* %1) nounwind
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call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
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ret void
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}
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; Delete a nested retain+release pair.
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; CHECK-LABEL: define void @test5(
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; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
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; CHECK-NOT: @llvm.objc.retain
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; CHECK: }
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define void @test5() nounwind {
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entry:
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%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
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%items.ptr = alloca [16 x i8*], align 8
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%call = call i8* @returner()
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%0 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) nounwind
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%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
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call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
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%1 = call i8* @llvm.objc.retain(i8* %0) nounwind
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%tmp2 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
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%call3 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp2, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
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%iszero = icmp eq i64 %call3, 0
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br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
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forcoll.loopinit:
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%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
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%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
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%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
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%stateitems.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 1
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br label %forcoll.loopbody.outer
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forcoll.loopbody.outer:
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%forcoll.count.ph = phi i64 [ %call3, %forcoll.loopinit ], [ %call7, %forcoll.refetch ]
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%tmp8 = icmp ugt i64 %forcoll.count.ph, 1
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%umax = select i1 %tmp8, i64 %forcoll.count.ph, i64 1
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br label %forcoll.loopbody
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forcoll.loopbody:
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%forcoll.index = phi i64 [ 0, %forcoll.loopbody.outer ], [ %4, %forcoll.notmutated ]
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%mutationsptr4 = load i64*, i64** %mutationsptr.ptr, align 8
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%statemutations = load i64, i64* %mutationsptr4, align 8
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%2 = icmp eq i64 %statemutations, %forcoll.initial-mutations
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br i1 %2, label %forcoll.notmutated, label %forcoll.mutated
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forcoll.mutated:
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call void @llvm.objc.enumerationMutation(i8* %1)
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br label %forcoll.notmutated
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forcoll.notmutated:
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%stateitems = load i8**, i8*** %stateitems.ptr, align 8
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%currentitem.ptr = getelementptr i8*, i8** %stateitems, i64 %forcoll.index
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%3 = load i8*, i8** %currentitem.ptr, align 8
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call void @use(i8* %3)
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%4 = add i64 %forcoll.index, 1
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%exitcond = icmp eq i64 %4, %umax
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br i1 %exitcond, label %forcoll.refetch, label %forcoll.loopbody
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forcoll.refetch:
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%tmp6 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
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%call7 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp6, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
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%5 = icmp eq i64 %call7, 0
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br i1 %5, label %forcoll.empty, label %forcoll.loopbody.outer
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forcoll.empty:
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call void @llvm.objc.release(i8* %1) nounwind
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call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
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ret void
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}
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; We handle this now due to the fact that a release just needs a post dominating
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; use.
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;
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; CHECK-LABEL: define void @test6(
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; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
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; CHECK-NOT: @llvm.objc.retain
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; CHECK: }
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define void @test6() nounwind {
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entry:
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%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
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%items.ptr = alloca [16 x i8*], align 8
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%call = call i8* @returner()
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%0 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) nounwind
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%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
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call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
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%1 = call i8* @llvm.objc.retain(i8* %0) nounwind
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%tmp2 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
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%call3 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp2, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
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%iszero = icmp eq i64 %call3, 0
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br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
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forcoll.loopinit:
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%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
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%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
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%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
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%stateitems.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 1
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br label %forcoll.loopbody.outer
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forcoll.loopbody.outer:
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%forcoll.count.ph = phi i64 [ %call3, %forcoll.loopinit ], [ %call7, %forcoll.refetch ]
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%tmp8 = icmp ugt i64 %forcoll.count.ph, 1
|
|
%umax = select i1 %tmp8, i64 %forcoll.count.ph, i64 1
|
|
br label %forcoll.loopbody
|
|
|
|
forcoll.loopbody:
|
|
%forcoll.index = phi i64 [ 0, %forcoll.loopbody.outer ], [ %4, %forcoll.notmutated ]
|
|
%mutationsptr4 = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%statemutations = load i64, i64* %mutationsptr4, align 8
|
|
%2 = icmp eq i64 %statemutations, %forcoll.initial-mutations
|
|
br i1 %2, label %forcoll.notmutated, label %forcoll.mutated
|
|
|
|
forcoll.mutated:
|
|
call void @llvm.objc.enumerationMutation(i8* %1)
|
|
br label %forcoll.notmutated
|
|
|
|
forcoll.notmutated:
|
|
%stateitems = load i8**, i8*** %stateitems.ptr, align 8
|
|
%currentitem.ptr = getelementptr i8*, i8** %stateitems, i64 %forcoll.index
|
|
%3 = load i8*, i8** %currentitem.ptr, align 8
|
|
call void @use(i8* %3)
|
|
%4 = add i64 %forcoll.index, 1
|
|
%exitcond = icmp eq i64 %4, %umax
|
|
br i1 %exitcond, label %forcoll.refetch, label %forcoll.loopbody
|
|
|
|
forcoll.refetch:
|
|
%tmp6 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call7 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp6, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%5 = icmp eq i64 %call7, 0
|
|
br i1 %5, label %forcoll.empty, label %forcoll.loopbody.outer
|
|
|
|
forcoll.empty:
|
|
call void @llvm.objc.release(i8* %1) nounwind
|
|
call void @callee()
|
|
call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
|
|
ret void
|
|
}
|
|
|
|
; TODO: Delete a nested retain+release pair.
|
|
; The optimizer currently can't do this, because isn't isn't sophisticated enough in
|
|
; reasnoning about nesting.
|
|
|
|
; CHECK-LABEL: define void @test7(
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK: @llvm.objc.retain
|
|
; CHECK: }
|
|
define void @test7() nounwind {
|
|
entry:
|
|
%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
|
|
%items.ptr = alloca [16 x i8*], align 8
|
|
%call = call i8* @returner()
|
|
%0 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) nounwind
|
|
call void @callee()
|
|
%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
|
|
call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
|
|
%1 = call i8* @llvm.objc.retain(i8* %0) nounwind
|
|
%tmp2 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call3 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp2, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%iszero = icmp eq i64 %call3, 0
|
|
br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
|
|
|
|
forcoll.loopinit:
|
|
%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
|
|
%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
|
|
%stateitems.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 1
|
|
br label %forcoll.loopbody.outer
|
|
|
|
forcoll.loopbody.outer:
|
|
%forcoll.count.ph = phi i64 [ %call3, %forcoll.loopinit ], [ %call7, %forcoll.refetch ]
|
|
%tmp8 = icmp ugt i64 %forcoll.count.ph, 1
|
|
%umax = select i1 %tmp8, i64 %forcoll.count.ph, i64 1
|
|
br label %forcoll.loopbody
|
|
|
|
forcoll.loopbody:
|
|
%forcoll.index = phi i64 [ 0, %forcoll.loopbody.outer ], [ %4, %forcoll.notmutated ]
|
|
%mutationsptr4 = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%statemutations = load i64, i64* %mutationsptr4, align 8
|
|
%2 = icmp eq i64 %statemutations, %forcoll.initial-mutations
|
|
br i1 %2, label %forcoll.notmutated, label %forcoll.mutated
|
|
|
|
forcoll.mutated:
|
|
call void @llvm.objc.enumerationMutation(i8* %1)
|
|
br label %forcoll.notmutated
|
|
|
|
forcoll.notmutated:
|
|
%stateitems = load i8**, i8*** %stateitems.ptr, align 8
|
|
%currentitem.ptr = getelementptr i8*, i8** %stateitems, i64 %forcoll.index
|
|
%3 = load i8*, i8** %currentitem.ptr, align 8
|
|
call void @use(i8* %3)
|
|
%4 = add i64 %forcoll.index, 1
|
|
%exitcond = icmp eq i64 %4, %umax
|
|
br i1 %exitcond, label %forcoll.refetch, label %forcoll.loopbody
|
|
|
|
forcoll.refetch:
|
|
%tmp6 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call7 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp6, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%5 = icmp eq i64 %call7, 0
|
|
br i1 %5, label %forcoll.empty, label %forcoll.loopbody.outer
|
|
|
|
forcoll.empty:
|
|
call void @llvm.objc.release(i8* %1) nounwind
|
|
call void @callee()
|
|
call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
|
|
ret void
|
|
}
|
|
|
|
; Delete a nested retain+release pair.
|
|
|
|
; CHECK-LABEL: define void @test8(
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK-NOT: @llvm.objc.retain
|
|
; CHECK: }
|
|
define void @test8() nounwind {
|
|
entry:
|
|
%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
|
|
%items.ptr = alloca [16 x i8*], align 8
|
|
%call = call i8* @returner()
|
|
%0 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) nounwind
|
|
%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
|
|
call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
|
|
%1 = call i8* @llvm.objc.retain(i8* %0) nounwind
|
|
%tmp2 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call3 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp2, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%iszero = icmp eq i64 %call3, 0
|
|
br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
|
|
|
|
forcoll.loopinit:
|
|
%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
|
|
%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
|
|
%stateitems.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 1
|
|
br label %forcoll.loopbody.outer
|
|
|
|
forcoll.loopbody.outer:
|
|
%forcoll.count.ph = phi i64 [ %call3, %forcoll.loopinit ], [ %call7, %forcoll.refetch ]
|
|
%tmp8 = icmp ugt i64 %forcoll.count.ph, 1
|
|
%umax = select i1 %tmp8, i64 %forcoll.count.ph, i64 1
|
|
br label %forcoll.loopbody
|
|
|
|
forcoll.loopbody:
|
|
%forcoll.index = phi i64 [ 0, %forcoll.loopbody.outer ], [ %4, %forcoll.next ]
|
|
%mutationsptr4 = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%statemutations = load i64, i64* %mutationsptr4, align 8
|
|
%2 = icmp eq i64 %statemutations, %forcoll.initial-mutations
|
|
br i1 %2, label %forcoll.notmutated, label %forcoll.mutated
|
|
|
|
forcoll.mutated:
|
|
call void @llvm.objc.enumerationMutation(i8* %1)
|
|
br label %forcoll.notmutated
|
|
|
|
forcoll.notmutated:
|
|
%stateitems = load i8**, i8*** %stateitems.ptr, align 8
|
|
%currentitem.ptr = getelementptr i8*, i8** %stateitems, i64 %forcoll.index
|
|
%3 = load i8*, i8** %currentitem.ptr, align 8
|
|
%tobool = icmp eq i8* %3, null
|
|
br i1 %tobool, label %forcoll.next, label %if.then
|
|
|
|
if.then:
|
|
call void @callee()
|
|
br label %forcoll.next
|
|
|
|
forcoll.next:
|
|
%4 = add i64 %forcoll.index, 1
|
|
%exitcond = icmp eq i64 %4, %umax
|
|
br i1 %exitcond, label %forcoll.refetch, label %forcoll.loopbody
|
|
|
|
forcoll.refetch:
|
|
%tmp6 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call7 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %1, i8* %tmp6, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%5 = icmp eq i64 %call7, 0
|
|
br i1 %5, label %forcoll.empty, label %forcoll.loopbody.outer
|
|
|
|
forcoll.empty:
|
|
call void @llvm.objc.release(i8* %1) nounwind
|
|
call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
|
|
ret void
|
|
}
|
|
|
|
; TODO: Delete a nested retain+release pair.
|
|
; The optimizer currently can't do this, because of a split loop backedge.
|
|
; See test9b for the same testcase without a split backedge.
|
|
|
|
; CHECK-LABEL: define void @test9(
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK: call i8* @llvm.objc.retain
|
|
; CHECK: }
|
|
define void @test9() nounwind {
|
|
entry:
|
|
%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
|
|
%items.ptr = alloca [16 x i8*], align 8
|
|
%call = call i8* @returner()
|
|
%0 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) nounwind
|
|
%call1 = call i8* @returner()
|
|
%1 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call1) nounwind
|
|
%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
|
|
call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
|
|
%2 = call i8* @llvm.objc.retain(i8* %0) nounwind
|
|
%tmp3 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call4 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %2, i8* %tmp3, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%iszero = icmp eq i64 %call4, 0
|
|
br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
|
|
|
|
forcoll.loopinit:
|
|
%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
|
|
%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
|
|
br label %forcoll.loopbody.outer
|
|
|
|
forcoll.loopbody.outer:
|
|
%forcoll.count.ph = phi i64 [ %call4, %forcoll.loopinit ], [ %call7, %forcoll.refetch ]
|
|
%tmp9 = icmp ugt i64 %forcoll.count.ph, 1
|
|
%umax = select i1 %tmp9, i64 %forcoll.count.ph, i64 1
|
|
br label %forcoll.loopbody
|
|
|
|
forcoll.loopbody:
|
|
%forcoll.index = phi i64 [ %phitmp, %forcoll.notmutated.forcoll.loopbody_crit_edge ], [ 1, %forcoll.loopbody.outer ]
|
|
%mutationsptr5 = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%statemutations = load i64, i64* %mutationsptr5, align 8
|
|
%3 = icmp eq i64 %statemutations, %forcoll.initial-mutations
|
|
br i1 %3, label %forcoll.notmutated, label %forcoll.mutated
|
|
|
|
forcoll.mutated:
|
|
call void @llvm.objc.enumerationMutation(i8* %2)
|
|
br label %forcoll.notmutated
|
|
|
|
forcoll.notmutated:
|
|
%exitcond = icmp eq i64 %forcoll.index, %umax
|
|
br i1 %exitcond, label %forcoll.refetch, label %forcoll.notmutated.forcoll.loopbody_crit_edge
|
|
|
|
forcoll.notmutated.forcoll.loopbody_crit_edge:
|
|
%phitmp = add i64 %forcoll.index, 1
|
|
br label %forcoll.loopbody
|
|
|
|
forcoll.refetch:
|
|
%tmp6 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call7 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %2, i8* %tmp6, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%4 = icmp eq i64 %call7, 0
|
|
br i1 %4, label %forcoll.empty, label %forcoll.loopbody.outer
|
|
|
|
forcoll.empty:
|
|
call void @llvm.objc.release(i8* %2) nounwind
|
|
call void @llvm.objc.release(i8* %1) nounwind, !clang.imprecise_release !0
|
|
call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
|
|
ret void
|
|
}
|
|
|
|
; Like test9, but without a split backedge. TODO: optimize this.
|
|
|
|
; CHECK-LABEL: define void @test9b(
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK: @llvm.objc.retain
|
|
; CHECK: }
|
|
define void @test9b() nounwind {
|
|
entry:
|
|
%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
|
|
%items.ptr = alloca [16 x i8*], align 8
|
|
%call = call i8* @returner()
|
|
%0 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) nounwind
|
|
%call1 = call i8* @returner()
|
|
%1 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call1) nounwind
|
|
%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
|
|
call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
|
|
%2 = call i8* @llvm.objc.retain(i8* %0) nounwind
|
|
%tmp3 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call4 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %2, i8* %tmp3, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%iszero = icmp eq i64 %call4, 0
|
|
br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
|
|
|
|
forcoll.loopinit:
|
|
%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
|
|
%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
|
|
br label %forcoll.loopbody.outer
|
|
|
|
forcoll.loopbody.outer:
|
|
%forcoll.count.ph = phi i64 [ %call4, %forcoll.loopinit ], [ %call7, %forcoll.refetch ]
|
|
%tmp9 = icmp ugt i64 %forcoll.count.ph, 1
|
|
%umax = select i1 %tmp9, i64 %forcoll.count.ph, i64 1
|
|
br label %forcoll.loopbody
|
|
|
|
forcoll.loopbody:
|
|
%forcoll.index = phi i64 [ %phitmp, %forcoll.notmutated ], [ 0, %forcoll.loopbody.outer ]
|
|
%mutationsptr5 = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%statemutations = load i64, i64* %mutationsptr5, align 8
|
|
%3 = icmp eq i64 %statemutations, %forcoll.initial-mutations
|
|
br i1 %3, label %forcoll.notmutated, label %forcoll.mutated
|
|
|
|
forcoll.mutated:
|
|
call void @llvm.objc.enumerationMutation(i8* %2)
|
|
br label %forcoll.notmutated
|
|
|
|
forcoll.notmutated:
|
|
%phitmp = add i64 %forcoll.index, 1
|
|
%exitcond = icmp eq i64 %phitmp, %umax
|
|
br i1 %exitcond, label %forcoll.refetch, label %forcoll.loopbody
|
|
|
|
forcoll.refetch:
|
|
%tmp6 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call7 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %2, i8* %tmp6, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%4 = icmp eq i64 %call7, 0
|
|
br i1 %4, label %forcoll.empty, label %forcoll.loopbody.outer
|
|
|
|
forcoll.empty:
|
|
call void @llvm.objc.release(i8* %2) nounwind
|
|
call void @llvm.objc.release(i8* %1) nounwind, !clang.imprecise_release !0
|
|
call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
|
|
ret void
|
|
}
|
|
|
|
; TODO: Delete a nested retain+release pair.
|
|
; The optimizer currently can't do this, because of a split loop backedge.
|
|
; See test10b for the same testcase without a split backedge.
|
|
|
|
; CHECK-LABEL: define void @test10(
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK: call i8* @llvm.objc.retain
|
|
; CHECK: }
|
|
define void @test10() nounwind {
|
|
entry:
|
|
%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
|
|
%items.ptr = alloca [16 x i8*], align 8
|
|
%call = call i8* @returner()
|
|
%0 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) nounwind
|
|
%call1 = call i8* @returner()
|
|
%1 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call1) nounwind
|
|
call void @callee()
|
|
%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
|
|
call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
|
|
%2 = call i8* @llvm.objc.retain(i8* %0) nounwind
|
|
%tmp3 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call4 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %2, i8* %tmp3, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%iszero = icmp eq i64 %call4, 0
|
|
br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
|
|
|
|
forcoll.loopinit:
|
|
%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
|
|
%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
|
|
br label %forcoll.loopbody.outer
|
|
|
|
forcoll.loopbody.outer:
|
|
%forcoll.count.ph = phi i64 [ %call4, %forcoll.loopinit ], [ %call7, %forcoll.refetch ]
|
|
%tmp9 = icmp ugt i64 %forcoll.count.ph, 1
|
|
%umax = select i1 %tmp9, i64 %forcoll.count.ph, i64 1
|
|
br label %forcoll.loopbody
|
|
|
|
forcoll.loopbody:
|
|
%forcoll.index = phi i64 [ %phitmp, %forcoll.notmutated.forcoll.loopbody_crit_edge ], [ 1, %forcoll.loopbody.outer ]
|
|
%mutationsptr5 = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%statemutations = load i64, i64* %mutationsptr5, align 8
|
|
%3 = icmp eq i64 %statemutations, %forcoll.initial-mutations
|
|
br i1 %3, label %forcoll.notmutated, label %forcoll.mutated
|
|
|
|
forcoll.mutated:
|
|
call void @llvm.objc.enumerationMutation(i8* %2)
|
|
br label %forcoll.notmutated
|
|
|
|
forcoll.notmutated:
|
|
%exitcond = icmp eq i64 %forcoll.index, %umax
|
|
br i1 %exitcond, label %forcoll.refetch, label %forcoll.notmutated.forcoll.loopbody_crit_edge
|
|
|
|
forcoll.notmutated.forcoll.loopbody_crit_edge:
|
|
%phitmp = add i64 %forcoll.index, 1
|
|
br label %forcoll.loopbody
|
|
|
|
forcoll.refetch:
|
|
%tmp6 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call7 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %2, i8* %tmp6, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%4 = icmp eq i64 %call7, 0
|
|
br i1 %4, label %forcoll.empty, label %forcoll.loopbody.outer
|
|
|
|
forcoll.empty:
|
|
call void @llvm.objc.release(i8* %2) nounwind
|
|
call void @llvm.objc.release(i8* %1) nounwind, !clang.imprecise_release !0
|
|
call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
|
|
ret void
|
|
}
|
|
|
|
; Like test10, but without a split backedge. TODO: optimize this.
|
|
|
|
; CHECK-LABEL: define void @test10b(
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK: call i8* @llvm.objc.retainAutoreleasedReturnValue
|
|
; CHECK: @llvm.objc.retain
|
|
; CHECK: }
|
|
define void @test10b() nounwind {
|
|
entry:
|
|
%state.ptr = alloca %struct.__objcFastEnumerationState, align 8
|
|
%items.ptr = alloca [16 x i8*], align 8
|
|
%call = call i8* @returner()
|
|
%0 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) nounwind
|
|
%call1 = call i8* @returner()
|
|
%1 = call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call1) nounwind
|
|
call void @callee()
|
|
%tmp = bitcast %struct.__objcFastEnumerationState* %state.ptr to i8*
|
|
call void @llvm.memset.p0i8.i64(i8* align 8 %tmp, i8 0, i64 64, i1 false)
|
|
%2 = call i8* @llvm.objc.retain(i8* %0) nounwind
|
|
%tmp3 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call4 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %2, i8* %tmp3, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%iszero = icmp eq i64 %call4, 0
|
|
br i1 %iszero, label %forcoll.empty, label %forcoll.loopinit
|
|
|
|
forcoll.loopinit:
|
|
%mutationsptr.ptr = getelementptr inbounds %struct.__objcFastEnumerationState, %struct.__objcFastEnumerationState* %state.ptr, i64 0, i32 2
|
|
%mutationsptr = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%forcoll.initial-mutations = load i64, i64* %mutationsptr, align 8
|
|
br label %forcoll.loopbody.outer
|
|
|
|
forcoll.loopbody.outer:
|
|
%forcoll.count.ph = phi i64 [ %call4, %forcoll.loopinit ], [ %call7, %forcoll.refetch ]
|
|
%tmp9 = icmp ugt i64 %forcoll.count.ph, 1
|
|
%umax = select i1 %tmp9, i64 %forcoll.count.ph, i64 1
|
|
br label %forcoll.loopbody
|
|
|
|
forcoll.loopbody:
|
|
%forcoll.index = phi i64 [ %phitmp, %forcoll.notmutated ], [ 0, %forcoll.loopbody.outer ]
|
|
%mutationsptr5 = load i64*, i64** %mutationsptr.ptr, align 8
|
|
%statemutations = load i64, i64* %mutationsptr5, align 8
|
|
%3 = icmp eq i64 %statemutations, %forcoll.initial-mutations
|
|
br i1 %3, label %forcoll.notmutated, label %forcoll.mutated
|
|
|
|
forcoll.mutated:
|
|
call void @llvm.objc.enumerationMutation(i8* %2)
|
|
br label %forcoll.notmutated
|
|
|
|
forcoll.notmutated:
|
|
%phitmp = add i64 %forcoll.index, 1
|
|
%exitcond = icmp eq i64 %phitmp, %umax
|
|
br i1 %exitcond, label %forcoll.refetch, label %forcoll.loopbody
|
|
|
|
forcoll.refetch:
|
|
%tmp6 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_", align 8
|
|
%call7 = call i64 bitcast (i8* (i8*, i8*, ...)* @llvm.objc.msgSend to i64 (i8*, i8*, %struct.__objcFastEnumerationState*, [16 x i8*]*, i64)*)(i8* %2, i8* %tmp6, %struct.__objcFastEnumerationState* %state.ptr, [16 x i8*]* %items.ptr, i64 16)
|
|
%4 = icmp eq i64 %call7, 0
|
|
br i1 %4, label %forcoll.empty, label %forcoll.loopbody.outer
|
|
|
|
forcoll.empty:
|
|
call void @llvm.objc.release(i8* %2) nounwind
|
|
call void @llvm.objc.release(i8* %1) nounwind, !clang.imprecise_release !0
|
|
call void @llvm.objc.release(i8* %0) nounwind, !clang.imprecise_release !0
|
|
ret void
|
|
}
|
|
|
|
; Pointers to strong pointers can obscure provenance relationships. Be conservative
|
|
; in the face of escaping pointers. rdar://12150909.
|
|
|
|
%struct.__block_d = type { i64, i64 }
|
|
|
|
@_NSConcreteStackBlock = external global i8*
|
|
@__block_d_tmp = external hidden constant { i64, i64, i8*, i8*, i8*, i8* }
|
|
@__block_d_tmp5 = external hidden constant { i64, i64, i8*, i8*, i8*, i8* }
|
|
|
|
; CHECK-LABEL: define void @test11(
|
|
; CHECK: tail call i8* @llvm.objc.retain(i8* %call) [[NUW:#[0-9]+]]
|
|
; CHECK: tail call i8* @llvm.objc.retain(i8* %call) [[NUW]]
|
|
; CHECK: call void @llvm.objc.release(i8* %call) [[NUW]], !clang.imprecise_release !0
|
|
; CHECK: }
|
|
define void @test11() {
|
|
entry:
|
|
%block = alloca <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, align 8
|
|
%block9 = alloca <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, align 8
|
|
%call = call i8* @def(), !clang.arc.no_objc_arc_exceptions !0
|
|
%foo = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block, i64 0, i32 5
|
|
%block.isa = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block, i64 0, i32 0
|
|
store i8* bitcast (i8** @_NSConcreteStackBlock to i8*), i8** %block.isa, align 8
|
|
%block.flags = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block, i64 0, i32 1
|
|
store i32 1107296256, i32* %block.flags, align 8
|
|
%block.reserved = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block, i64 0, i32 2
|
|
store i32 0, i32* %block.reserved, align 4
|
|
%block.invoke = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block, i64 0, i32 3
|
|
store i8* bitcast (void (i8*)* @__crasher_block_invoke to i8*), i8** %block.invoke, align 8
|
|
%block.d = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block, i64 0, i32 4
|
|
store %struct.__block_d* bitcast ({ i64, i64, i8*, i8*, i8*, i8* }* @__block_d_tmp to %struct.__block_d*), %struct.__block_d** %block.d, align 8
|
|
%foo2 = tail call i8* @llvm.objc.retain(i8* %call) nounwind
|
|
store i8* %foo2, i8** %foo, align 8
|
|
%foo4 = bitcast <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block to i8*
|
|
%foo5 = call i8* @llvm.objc.retainBlock(i8* %foo4) nounwind
|
|
call void @use(i8* %foo5), !clang.arc.no_objc_arc_exceptions !0
|
|
call void @llvm.objc.release(i8* %foo5) nounwind
|
|
%strongdestroy = load i8*, i8** %foo, align 8
|
|
call void @llvm.objc.release(i8* %strongdestroy) nounwind, !clang.imprecise_release !0
|
|
%foo10 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block9, i64 0, i32 5
|
|
%block.isa11 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block9, i64 0, i32 0
|
|
store i8* bitcast (i8** @_NSConcreteStackBlock to i8*), i8** %block.isa11, align 8
|
|
%block.flags12 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block9, i64 0, i32 1
|
|
store i32 1107296256, i32* %block.flags12, align 8
|
|
%block.reserved13 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block9, i64 0, i32 2
|
|
store i32 0, i32* %block.reserved13, align 4
|
|
%block.invoke14 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block9, i64 0, i32 3
|
|
store i8* bitcast (void (i8*)* @__crasher_block_invoke1 to i8*), i8** %block.invoke14, align 8
|
|
%block.d15 = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>, <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block9, i64 0, i32 4
|
|
store %struct.__block_d* bitcast ({ i64, i64, i8*, i8*, i8*, i8* }* @__block_d_tmp5 to %struct.__block_d*), %struct.__block_d** %block.d15, align 8
|
|
%foo18 = call i8* @llvm.objc.retain(i8* %call) nounwind
|
|
store i8* %call, i8** %foo10, align 8
|
|
%foo20 = bitcast <{ i8*, i32, i32, i8*, %struct.__block_d*, i8* }>* %block9 to i8*
|
|
%foo21 = call i8* @llvm.objc.retainBlock(i8* %foo20) nounwind
|
|
call void @use(i8* %foo21), !clang.arc.no_objc_arc_exceptions !0
|
|
call void @llvm.objc.release(i8* %foo21) nounwind
|
|
%strongdestroy25 = load i8*, i8** %foo10, align 8
|
|
call void @llvm.objc.release(i8* %strongdestroy25) nounwind, !clang.imprecise_release !0
|
|
call void @llvm.objc.release(i8* %call) nounwind, !clang.imprecise_release !0
|
|
ret void
|
|
}
|
|
|
|
|
|
; CHECK: attributes [[NUW]] = { nounwind }
|
|
; CHECK: attributes #1 = { argmemonly nofree nosync nounwind willreturn writeonly }
|
|
; CHECK: attributes #2 = { nonlazybind }
|