317 lines
14 KiB
LLVM
317 lines
14 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
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; RUN: opt -enable-new-pm=0 -domtree -assumption-cache-tracker -assume-simplify -verify --enable-knowledge-retention -S %s | FileCheck %s
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; RUN: opt -passes='require<domtree>,require<assumptions>,assume-simplify,verify' --enable-knowledge-retention -S %s | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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declare void @may_throw()
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declare void @llvm.assume(i1)
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define i32 @test1(i32* %0, i32* %1, i32 %2, i32 %3) {
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; CHECK-LABEL: define {{[^@]+}}@test1
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; CHECK-SAME: (i32* nonnull dereferenceable(4) [[TMP0:%.*]], i32* [[TMP1:%.*]], i32 [[TMP2:%.*]], i32 [[TMP3:%.*]])
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; CHECK-NEXT: [[TMP5:%.*]] = icmp ne i32 [[TMP2]], 4
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; CHECK-NEXT: br i1 [[TMP5]], label [[TMP6:%.*]], label [[A:%.*]]
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; CHECK: 6:
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; CHECK-NEXT: [[TMP7:%.*]] = add nsw i32 [[TMP3]], [[TMP2]]
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; CHECK-NEXT: call void @may_throw()
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP0]], i64 4), "align"(i32* [[TMP1]], i64 4), "nonnull"(i32* [[TMP1]]) ]
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; CHECK-NEXT: [[TMP8:%.*]] = load i32, i32* [[TMP0]], align 4
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; CHECK-NEXT: [[TMP9:%.*]] = add nsw i32 [[TMP7]], [[TMP8]]
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; CHECK-NEXT: store i32 0, i32* [[TMP0]], align 4
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; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP1]], align 4
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; CHECK-NEXT: [[TMP11:%.*]] = add nsw i32 [[TMP9]], [[TMP10]]
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; CHECK-NEXT: call void @may_throw()
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32* [[TMP1]], i64 4), "ignore"(i32* undef) ]
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; CHECK-NEXT: store i32 [[TMP11]], i32* [[TMP1]], align 4
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; CHECK-NEXT: br label [[B:%.*]]
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; CHECK: A:
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP0]], i64 4), "ignore"(i32* undef, i64 4), "ignore"(i32* undef) ]
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; CHECK-NEXT: br label [[B]]
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; CHECK: B:
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; CHECK-NEXT: ret i32 0
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;
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%5 = icmp ne i32 %2, 4
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call void @llvm.assume(i1 true) ["dereferenceable"(i32* %0, i64 4), "nonnull"(i32* %0) ]
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br i1 %5, label %6, label %A
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6: ; preds = %4
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%7 = add nsw i32 %3, %2
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call void @may_throw()
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%8 = load i32, i32* %0, align 4
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%9 = add nsw i32 %7, %8
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store i32 0, i32* %0, align 4
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call void @llvm.assume(i1 true) [ "align"(i32* %0, i64 4), "dereferenceable"(i32* %0, i64 4) ]
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%10 = load i32, i32* %1, align 4
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%11 = add nsw i32 %9, %10
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call void @llvm.assume(i1 true) [ "align"(i32* %1, i64 4), "nonnull"(i32* %1) ]
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call void @may_throw()
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call void @llvm.assume(i1 true) [ "dereferenceable"(i32* %1, i64 4), "nonnull"(i32* %1) ]
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store i32 %11, i32* %1, align 4
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br label %B
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A:
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call void @llvm.assume(i1 true) [ "align"(i32* %0, i64 4), "dereferenceable"(i32* %0, i64 4), "nonnull"(i32* %0) ]
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br label %B
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B: ; preds = %6, %4
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ret i32 0
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}
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define i32 @test2(i32** %0, i32* %1, i32 %2, i32 %3) {
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; CHECK-LABEL: define {{[^@]+}}@test2
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; CHECK-SAME: (i32** [[TMP0:%.*]], i32* nonnull align 4 dereferenceable(4) [[TMP1:%.*]], i32 [[TMP2:%.*]], i32 [[TMP3:%.*]])
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; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i64 0
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; CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
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; CHECK-NEXT: [[TMP7:%.*]] = icmp ne i32 [[TMP6]], 0
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; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i64 0
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; CHECK-NEXT: br i1 [[TMP7]], label [[TMP9:%.*]], label [[TMP19:%.*]]
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; CHECK: 9:
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; CHECK-NEXT: call void @may_throw()
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP8]], i64 4), "dereferenceable"(i32* [[TMP8]], i64 4), "nonnull"(i32* [[TMP8]]) ]
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; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]], align 4
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; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i64 2
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; CHECK-NEXT: store i32 [[TMP10]], i32* [[TMP11]], align 4
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; CHECK-NEXT: call void @may_throw()
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; CHECK-NEXT: call void @may_throw()
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; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 1
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; CHECK-NEXT: [[TMP13:%.*]] = load i32*, i32** [[TMP12]], align 8
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; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[TMP13]], i64 0
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32* [[TMP1]], i64 12), "align"(i32* [[TMP13]], i64 4), "dereferenceable"(i32* [[TMP13]], i64 4), "nonnull"(i32* [[TMP13]]) ]
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; CHECK-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
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; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 1
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; CHECK-NEXT: [[TMP17:%.*]] = load i32*, i32** [[TMP16]], align 8
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; CHECK-NEXT: [[TMP18:%.*]] = getelementptr inbounds i32, i32* [[TMP17]], i64 2
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; CHECK-NEXT: store i32 [[TMP15]], i32* [[TMP18]], align 4
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; CHECK-NEXT: call void @may_throw()
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP0]], i64 4), "dereferenceable"(i32** [[TMP0]], i64 4), "nonnull"(i32** [[TMP0]]) ]
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; CHECK-NEXT: br label [[TMP35:%.*]]
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; CHECK: 19:
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; CHECK-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 7
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; CHECK-NEXT: [[TMP21:%.*]] = load i32*, i32** [[TMP20]], align 8
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; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[TMP21]], i64 0
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; CHECK-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP22]], align 4
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; CHECK-NEXT: [[TMP24:%.*]] = icmp ne i32 [[TMP23]], 0
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; CHECK-NEXT: br i1 [[TMP24]], label [[TMP25:%.*]], label [[TMP33:%.*]]
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; CHECK: 25:
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; CHECK-NEXT: call void @may_throw()
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP0]], i64 4), "dereferenceable"(i32** [[TMP0]], i64 4), "nonnull"(i32** [[TMP0]]) ]
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; CHECK-NEXT: [[TMP26:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 2
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; CHECK-NEXT: [[TMP27:%.*]] = load i32*, i32** [[TMP26]], align 8
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; CHECK-NEXT: [[TMP28:%.*]] = getelementptr inbounds i32, i32* [[TMP27]], i64 0
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; CHECK-NEXT: [[TMP29:%.*]] = load i32, i32* [[TMP28]], align 4
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; CHECK-NEXT: [[TMP30:%.*]] = getelementptr inbounds i32*, i32** [[TMP0]], i64 2
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; CHECK-NEXT: [[TMP31:%.*]] = load i32*, i32** [[TMP30]], align 8
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; CHECK-NEXT: [[TMP32:%.*]] = getelementptr inbounds i32, i32* [[TMP31]], i64 2
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; CHECK-NEXT: store i32 [[TMP29]], i32* [[TMP32]], align 4
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; CHECK-NEXT: call void @may_throw()
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; CHECK-NEXT: br label [[TMP33]]
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; CHECK: 33:
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; CHECK-NEXT: br label [[TMP34:%.*]]
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; CHECK: 34:
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; CHECK-NEXT: br label [[TMP35]]
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; CHECK: 35:
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP0]], i64 4), "dereferenceable"(i32** [[TMP0]], i64 4), "nonnull"(i32** [[TMP0]]) ]
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; CHECK-NEXT: ret i32 0
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;
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%5 = getelementptr inbounds i32, i32* %1, i64 0
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%6 = load i32, i32* %5, align 4
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%7 = icmp ne i32 %6, 0
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call void @llvm.assume(i1 true) [ "align"(i32* %1, i64 4), "dereferenceable"(i32* %1, i64 4) ]
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call void @llvm.assume(i1 true) [ "align"(i32* %1, i64 4), "nonnull"(i32* %1) ]
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%8 = getelementptr inbounds i32, i32* %1, i64 0
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br i1 %7, label %9, label %19
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9: ; preds = %4
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call void @may_throw()
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call void @llvm.assume(i1 true) [ "align"(i32* %8, i64 4), "dereferenceable"(i32* %8, i64 4), "nonnull"(i32* %8) ]
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%10 = load i32, i32* %8, align 4
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%11 = getelementptr inbounds i32, i32* %1, i64 2
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store i32 %10, i32* %11, align 4
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call void @may_throw()
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call void @may_throw()
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call void @llvm.assume(i1 true) [ "align"(i32* %11, i64 4), "dereferenceable"(i32* %11, i64 4), "nonnull"(i32* %11) ]
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%12 = getelementptr inbounds i32*, i32** %0, i64 1
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%13 = load i32*, i32** %12, align 8
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%14 = getelementptr inbounds i32, i32* %13, i64 0
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%15 = load i32, i32* %14, align 4
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call void @llvm.assume(i1 true) [ "align"(i32* %14, i64 4), "dereferenceable"(i32* %14, i64 4), "nonnull"(i32* %14) ]
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%16 = getelementptr inbounds i32*, i32** %0, i64 1
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%17 = load i32*, i32** %16, align 8
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%18 = getelementptr inbounds i32, i32* %17, i64 2
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store i32 %15, i32* %18, align 4
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call void @may_throw()
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call void @llvm.assume(i1 true) [ "align"(i32** %0, i64 4), "dereferenceable"(i32** %0, i64 4), "nonnull"(i32** %0) ]
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br label %35
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19: ; preds = %4
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%20 = getelementptr inbounds i32*, i32** %0, i64 7
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%21 = load i32*, i32** %20, align 8
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%22 = getelementptr inbounds i32, i32* %21, i64 0
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%23 = load i32, i32* %22, align 4
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%24 = icmp ne i32 %23, 0
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br i1 %24, label %25, label %33
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25: ; preds = %19
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call void @may_throw()
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call void @llvm.assume(i1 true) [ "align"(i32** %0, i64 4), "dereferenceable"(i32** %0, i64 4), "nonnull"(i32** %0) ]
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%26 = getelementptr inbounds i32*, i32** %0, i64 2
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%27 = load i32*, i32** %26, align 8
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%28 = getelementptr inbounds i32, i32* %27, i64 0
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%29 = load i32, i32* %28, align 4
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%30 = getelementptr inbounds i32*, i32** %0, i64 2
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%31 = load i32*, i32** %30, align 8
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%32 = getelementptr inbounds i32, i32* %31, i64 2
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store i32 %29, i32* %32, align 4
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call void @may_throw()
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br label %33
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33: ; preds = %25, %19
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br label %34
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34: ; preds = %33
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br label %35
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35: ; preds = %34, %8
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call void @llvm.assume(i1 true) [ "align"(i32** %0, i64 4), "dereferenceable"(i32** %0, i64 4), "nonnull"(i32** %0) ]
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ret i32 0
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}
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define i32 @test3(i32* nonnull %p, i32 %i) {
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; CHECK-LABEL: define {{[^@]+}}@test3
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; CHECK-SAME: (i32* nonnull [[P:%.*]], i32 [[I:%.*]])
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; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
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; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
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; CHECK: A:
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; CHECK-NEXT: ret i32 0
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; CHECK: B:
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; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
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; CHECK-NEXT: ret i32 [[RET]]
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;
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%cond = icmp ne i32 %i, 0
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call void @llvm.assume(i1 true) [ "nonnull"(i32* %p) ]
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br i1 %cond, label %A, label %B
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A:
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ret i32 0
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B:
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%ret = load i32, i32* %p
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ret i32 %ret
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}
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define i32 @test4(i32* %p, i32 %i) {
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; CHECK-LABEL: define {{[^@]+}}@test4
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; CHECK-SAME: (i32* nonnull dereferenceable(32) [[P:%.*]], i32 [[I:%.*]])
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; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
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; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
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; CHECK: A:
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; CHECK-NEXT: ret i32 0
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; CHECK: B:
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; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
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; CHECK-NEXT: ret i32 [[RET]]
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;
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%cond = icmp ne i32 %i, 0
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call void @llvm.assume(i1 true) [ "nonnull"(i32* %p), "dereferenceable"(i32* %p, i32 32) ]
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br i1 %cond, label %A, label %B
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A:
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ret i32 0
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B:
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%ret = load i32, i32* %p
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ret i32 %ret
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}
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define i32 @test4A(i32* %p, i32 %i) {
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; CHECK-LABEL: define {{[^@]+}}@test4A
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; CHECK-SAME: (i32* [[P:%.*]], i32 [[I:%.*]])
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; CHECK-NEXT: call void @may_throw()
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; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
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; CHECK-NEXT: call void @llvm.assume(i1 true) [ "nonnull"(i32* [[P]]), "dereferenceable"(i32* [[P]], i32 32) ]
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; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
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; CHECK: A:
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; CHECK-NEXT: ret i32 0
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; CHECK: B:
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; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
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; CHECK-NEXT: ret i32 [[RET]]
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;
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call void @may_throw()
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%cond = icmp ne i32 %i, 0
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call void @llvm.assume(i1 true) [ "nonnull"(i32* %p), "dereferenceable"(i32* %p, i32 32) ]
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br i1 %cond, label %A, label %B
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A:
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ret i32 0
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B:
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%ret = load i32, i32* %p
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ret i32 %ret
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}
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define i32 @test5(i32* dereferenceable(64) %p, i32 %i) {
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; CHECK-LABEL: define {{[^@]+}}@test5
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; CHECK-SAME: (i32* nonnull dereferenceable(64) [[P:%.*]], i32 [[I:%.*]])
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; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
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; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
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; CHECK: A:
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; CHECK-NEXT: ret i32 0
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; CHECK: B:
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; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
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; CHECK-NEXT: ret i32 [[RET]]
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;
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%cond = icmp ne i32 %i, 0
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call void @llvm.assume(i1 true) [ "nonnull"(i32* %p), "dereferenceable"(i32* %p, i32 32) ]
|
||
|
|
br i1 %cond, label %A, label %B
|
||
|
|
A:
|
||
|
|
ret i32 0
|
||
|
|
B:
|
||
|
|
%ret = load i32, i32* %p
|
||
|
|
ret i32 %ret
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
define i32 @test5A(i32* dereferenceable(8) %p, i32 %i) {
|
||
|
|
; CHECK-LABEL: define {{[^@]+}}@test5A
|
||
|
|
; CHECK-SAME: (i32* dereferenceable(32) [[P:%.*]], i32 [[I:%.*]])
|
||
|
|
; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "cold"(), "ignore"(i32* undef, i32 32) ]
|
||
|
|
; CHECK-NEXT: br i1 [[COND]], label [[A:%.*]], label [[B:%.*]]
|
||
|
|
; CHECK: A:
|
||
|
|
; CHECK-NEXT: ret i32 0
|
||
|
|
; CHECK: B:
|
||
|
|
; CHECK-NEXT: [[RET:%.*]] = load i32, i32* [[P]]
|
||
|
|
; CHECK-NEXT: ret i32 [[RET]]
|
||
|
|
;
|
||
|
|
%cond = icmp ne i32 %i, 0
|
||
|
|
call void @llvm.assume(i1 true) [ "cold"(), "dereferenceable"(i32* %p, i32 32) ]
|
||
|
|
br i1 %cond, label %A, label %B
|
||
|
|
A:
|
||
|
|
ret i32 0
|
||
|
|
B:
|
||
|
|
%ret = load i32, i32* %p
|
||
|
|
ret i32 %ret
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @test6() {
|
||
|
|
; CHECK-LABEL: define {{[^@]+}}@test6()
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "cold"() ]
|
||
|
|
; CHECK-NEXT: call void @may_throw()
|
||
|
|
; CHECK-NEXT: ret i32 0
|
||
|
|
;
|
||
|
|
call void @llvm.assume(i1 true) [ "cold"() ]
|
||
|
|
call void @llvm.assume(i1 true) [ "cold"() ]
|
||
|
|
call void @may_throw()
|
||
|
|
call void @llvm.assume(i1 true) [ "cold"() ]
|
||
|
|
ret i32 0
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @test7(i32* %p) {
|
||
|
|
; CHECK-LABEL: define {{[^@]+}}@test7
|
||
|
|
; CHECK-SAME: (i32* align 4 dereferenceable(4) [[P:%.*]])
|
||
|
|
; CHECK-NEXT: [[P1:%.*]] = bitcast i32* [[P]] to i8*
|
||
|
|
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "cold"(), "nonnull"(i32* [[P]]) ]
|
||
|
|
; CHECK-NEXT: ret i32 0
|
||
|
|
;
|
||
|
|
%p1 = bitcast i32* %p to i8*
|
||
|
|
call void @llvm.assume(i1 true) [ "cold"() ]
|
||
|
|
call void @llvm.assume(i1 true) [ "align"(i32* %p, i32 4) ]
|
||
|
|
call void @llvm.assume(i1 true) [ "dereferenceable"(i32* %p, i32 4) ]
|
||
|
|
call void @llvm.assume(i1 true) [ "align"(i8* %p1, i32 4), "nonnull"(i8* %p1) ]
|
||
|
|
ret i32 0
|
||
|
|
}
|