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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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37
external/llvm/test/Instrumentation/AddressSanitizer/instrument-dynamic-allocas.ll vendored
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@ -1,37 +0,0 @@
; Test asan internal compiler flags:
; -asan-instrument-dynamic-allocas
; RUN: opt < %s -asan -asan-module -asan-instrument-dynamic-allocas -S | FileCheck %s --check-prefix=CHECK-ALLOCA
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
define void @foo(i32 %len) sanitize_address {
entry:
; CHECK-ALLOCA-LABEL: define void @foo
; CHECK-ALLOCA: __asan_alloca_poison
; CHECK-ALLOCA: __asan_allocas_unpoison
; CHECK-ALLOCA: ret void
%0 = alloca i32, align 4
%1 = alloca i8*
store volatile i32 %len, i32* %0, align 4
%2 = load i32, i32* %0, align 4
%3 = zext i32 %2 to i64
%4 = alloca i8, i64 %3, align 32
store volatile i8 0, i8* %4
ret void
}
; Test that dynamic alloca is not used for inalloca variables.
define void @has_inalloca() uwtable sanitize_address {
; CHECK-ALLOCA-LABEL: define void @has_inalloca
; CHECK-ALLOCA-NOT: __asan_alloca_poison
; CHECK-ALLOCA-NOT: __asan_alloca_unpoison
; CHECK-ALLOCA: ret void
entry:
%t = alloca inalloca i32
store i32 42, i32* %t
call void @pass_inalloca(i32* inalloca %t)
ret void
}
declare void @pass_inalloca(i32* inalloca)