176 lines
5.2 KiB
LLVM
176 lines
5.2 KiB
LLVM
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; RUN: llc -mtriple=x86_64-apple-macosx -o - %s | FileCheck --check-prefix=CHECK %s
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; TODO: support marker generation with GlobalISel
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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declare i8* @foo0(i32)
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declare i8* @foo1()
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declare void @llvm.objc.release(i8*)
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declare void @objc_object(i8*)
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declare void @foo2(i8*)
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declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
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declare %struct.S* @_ZN1SD1Ev(%struct.S* nonnull dereferenceable(1))
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declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
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%struct.S = type { i8 }
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@g = global i8* null, align 8
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@fptr = global i8* ()* null, align 8
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define i8* @rv_marker_1() {
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; CHECK-LABEL: rv_marker_1:
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; CHECK: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq _foo1
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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;
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entry:
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%call = call "rv_marker" i8* @foo1()
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ret i8* %call
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}
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define void @rv_marker_2_select(i32 %c) {
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; CHECK-LABEL: rv_marker_2_select:
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; CHECK: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: cmpl $1, %edi
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; CHECK-NEXT: movl $1, %edi
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; CHECK-NEXT: adcl $0, %edi
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; CHECK-NEXT: callq _foo0
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: jmp _foo2
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;
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entry:
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%tobool.not = icmp eq i32 %c, 0
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%.sink = select i1 %tobool.not, i32 2, i32 1
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%call1 = call "rv_marker" i8* @foo0(i32 %.sink)
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tail call void @foo2(i8* %call1)
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ret void
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}
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define void @rv_marker_3() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; CHECK-LABEL: rv_marker_3
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; CHECK: pushq %r14
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: .cfi_def_cfa_offset 24
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: .cfi_offset %rbx, -24
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; CHECK-NEXT: .cfi_offset %r14, -16
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; CHECK-NEXT: callq _foo1
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; CHECK-NEXT: movq %rax, %rbx
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; CHECK-NEXT: Ltmp0:
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;
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entry:
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%call = call "rv_marker" i8* @foo1()
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invoke void @objc_object(i8* %call) #5
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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tail call void @llvm.objc.release(i8* %call)
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ret void
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lpad: ; preds = %entry
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%0 = landingpad { i8*, i32 }
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cleanup
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tail call void @llvm.objc.release(i8* %call)
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resume { i8*, i32 } %0
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}
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define void @rv_marker_4() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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; CHECK-LABEL: rv_marker_4
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; CHECK: pushq %r14
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: .cfi_def_cfa_offset 24
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: .cfi_offset %rbx, -24
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; CHECK-NEXT: .cfi_offset %r14, -16
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; CHECK-NEXT: Ltmp3:
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; CHECK-NEXT: callq _foo1
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; CHECK-NEXT: Ltmp4:
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;
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entry:
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%s = alloca %struct.S, align 1
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%0 = getelementptr inbounds %struct.S, %struct.S* %s, i64 0, i32 0
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call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %0) #2
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%call = invoke "rv_marker" i8* @foo1()
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to label %invoke.cont unwind label %lpad
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invoke.cont: ; preds = %entry
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invoke void @objc_object(i8* %call) #5
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to label %invoke.cont2 unwind label %lpad1
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invoke.cont2: ; preds = %invoke.cont
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tail call void @llvm.objc.release(i8* %call)
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%call3 = call %struct.S* @_ZN1SD1Ev(%struct.S* nonnull dereferenceable(1) %s)
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call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %0)
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ret void
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lpad: ; preds = %entry
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%1 = landingpad { i8*, i32 }
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cleanup
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br label %ehcleanup
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lpad1: ; preds = %invoke.cont
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%2 = landingpad { i8*, i32 }
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cleanup
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tail call void @llvm.objc.release(i8* %call)
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br label %ehcleanup
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ehcleanup: ; preds = %lpad1, %lpad
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%.pn = phi { i8*, i32 } [ %2, %lpad1 ], [ %1, %lpad ]
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%call4 = call %struct.S* @_ZN1SD1Ev(%struct.S* nonnull dereferenceable(1) %s)
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call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %0)
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resume { i8*, i32 } %.pn
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}
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define i8* @rv_marker_5_indirect_call() {
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; CHECK-LABEL: rv_marker_5_indirect_call
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; CHECK: pushq %rbx
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: .cfi_offset %rbx, -16
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; CHECK-NEXT: callq *_fptr(%rip)
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; CHECK-NEXT: movq %rax, %rbx
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; CHECK-NEXT: movq %rax, %rdi
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; CHECK-NEXT: callq _foo2
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; CHECK-NEXT: movq %rbx, %rax
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: retq
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;
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entry:
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%0 = load i8* ()*, i8* ()** @fptr, align 8
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%call = call "rv_marker" i8* %0()
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tail call void @foo2(i8* %call)
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ret i8* %call
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}
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declare void @foo(i64, i64, i64)
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define void @rv_marker_multiarg(i64 %a, i64 %b, i64 %c) {
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; CHECK-LABEL: rv_marker_multiarg
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; CHECK: pushq %rax
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: movq %rdi, %rax
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; CHECK-NEXT: movq %rdx, %rdi
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; CHECK-NEXT: movq %rax, %rdx
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; CHECK-NEXT: callq _foo
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: retq
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;
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call "rv_marker" void @foo(i64 %c, i64 %b, i64 %a)
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ret void
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}
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declare i32 @__gxx_personality_v0(...)
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