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Imported Upstream version 5.18.0.179

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Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 deletions
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22
external/llvm/test/Instrumentation/AddressSanitizer/force-dynamic-shadow.ll vendored Normal file
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; Test -asan-force-dynamic-shadow flag.
;
; RUN: opt -asan -asan-module -S -asan-force-dynamic-shadow=1 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-FDS
; RUN: opt -asan -asan-module -S -asan-force-dynamic-shadow=0 < %s | FileCheck %s --check-prefixes=CHECK,CHECK-NDS
target triple = "x86_64-unknown-linux-gnu"
define i32 @test_load(i32* %a) sanitize_address {
; First instrumentation in the function must be to load the dynamic shadow
; address into a local variable.
; CHECK-LABEL: @test_load
; CHECK: entry:
; CHECK-FDS-NEXT: %[[SHADOW:[^ ]*]] = load i64, i64* @__asan_shadow_memory_dynamic_address
; CHECK-NDS-NOT: __asan_shadow_memory_dynamic_address
; Shadow address is loaded and added into the whole offset computation.
; CHECK-FDS add i64 %{{.*}}, %[[SHADOW] ]
entry:
%tmp1 = load i32, i32* %a, align 4
ret i32 %tmp1
}