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Imported Upstream version 5.18.0.205

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Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
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Xamarin Public Jenkins (auto-signing)
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions
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49
external/llvm/test/Transforms/InstCombine/lifetime-asan.ll vendored Normal file
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@@ -0,0 +1,49 @@
; RUN: opt < %s -instcombine -S | FileCheck %s
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
declare void @foo(i8* nocapture)
define void @asan() sanitize_address {
entry:
; CHECK-LABEL: @asan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0i8(i64 1, i8* %text)
call void @llvm.lifetime.end.p0i8(i64 1, i8* %text)
; CHECK: call void @llvm.lifetime.start
; CHECK-NEXT: call void @llvm.lifetime.end
call void @foo(i8* %text) ; Keep alloca alive
ret void
}
define void @hwasan() sanitize_hwaddress {
entry:
; CHECK-LABEL: @hwasan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0i8(i64 1, i8* %text)
call void @llvm.lifetime.end.p0i8(i64 1, i8* %text)
; CHECK: call void @llvm.lifetime.start
; CHECK-NEXT: call void @llvm.lifetime.end
call void @foo(i8* %text) ; Keep alloca alive
ret void
}
define void @no_asan() {
entry:
; CHECK-LABEL: @no_asan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0i8(i64 1, i8* %text)
call void @llvm.lifetime.end.p0i8(i64 1, i8* %text)
; CHECK-NO: call void @llvm.lifetime
call void @foo(i8* %text) ; Keep alloca alive
ret void
}