derek.holloway
7502bf64a4
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74 lines
2.1 KiB
LLVM
74 lines
2.1 KiB
LLVM
; RUN: opt < %s -O0 -S | FileCheck %s --check-prefixes=CHECK,NOOPT
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; RUN: opt < %s -O1 -S | FileCheck %s --check-prefixes=CHECK,OPT
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; RUN: opt < %s -O2 -S | FileCheck %s --check-prefixes=CHECK,OPT
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; RUN: opt < %s -O3 -S | FileCheck %s --check-prefixes=CHECK,OPT
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; RUN: opt < %s -passes='default<O0>' -S | FileCheck %s --check-prefixes=CHECK,NOOPT
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; RUN: opt < %s -passes='default<O1>' -S | FileCheck %s --check-prefixes=CHECK,OPT
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; RUN: opt < %s -passes='default<O2>' -S | FileCheck %s --check-prefixes=CHECK,OPT
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; RUN: opt < %s -passes="default<O3>" -S | FileCheck %s --check-prefixes=CHECK,OPT
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declare void @llvm.lifetime.start.p0(ptr nocapture)
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declare void @llvm.lifetime.end.p0(ptr nocapture)
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declare void @foo(ptr nocapture)
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define void @asan() sanitize_address {
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entry:
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; CHECK-LABEL: @asan(
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%text = alloca i8, align 1
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call void @llvm.lifetime.start.p0(ptr %text)
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call void @llvm.lifetime.end.p0(ptr %text)
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; CHECK: call void @llvm.lifetime.start
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; CHECK-NEXT: call void @llvm.lifetime.end
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call void @foo(ptr %text) ; Keep alloca alive
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ret void
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}
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define void @hwasan() sanitize_hwaddress {
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entry:
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; CHECK-LABEL: @hwasan(
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%text = alloca i8, align 1
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call void @llvm.lifetime.start.p0(ptr %text)
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call void @llvm.lifetime.end.p0(ptr %text)
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; CHECK: call void @llvm.lifetime.start
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; CHECK-NEXT: call void @llvm.lifetime.end
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call void @foo(ptr %text) ; Keep alloca alive
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ret void
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}
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define void @msan() sanitize_memory {
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entry:
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; CHECK-LABEL: @msan(
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%text = alloca i8, align 1
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call void @llvm.lifetime.start.p0(ptr %text)
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call void @llvm.lifetime.end.p0(ptr %text)
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; CHECK: call void @llvm.lifetime.start
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; CHECK-NEXT: call void @llvm.lifetime.end
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call void @foo(ptr %text) ; Keep alloca alive
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ret void
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}
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define void @no_asan() {
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entry:
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; CHECK-LABEL: @no_asan(
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%text = alloca i8, align 1
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call void @llvm.lifetime.start.p0(ptr %text)
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call void @llvm.lifetime.end.p0(ptr %text)
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; OPT-NOT: call void @llvm.lifetime
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; NOOPT: call void @llvm.lifetime.start
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; NOOPT-NEXT: call void @llvm.lifetime.end
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call void @foo(ptr %text) ; Keep alloca alive
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ret void
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}
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