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f560b78692
These are two related changes (one in llvm, one in clang). LLVM: - rename address_safety => sanitize_address (the enum value is the same, so we preserve binary compatibility with old bitcode) - rename thread_safety => sanitize_thread - rename no_uninitialized_checks -> sanitize_memory CLANG: - add __attribute__((no_sanitize_address)) as a synonym for __attribute__((no_address_safety_analysis)) - add __attribute__((no_sanitize_thread)) - add __attribute__((no_sanitize_memory)) for S in address thread memory If -fsanitize=S is present and __attribute__((no_sanitize_S)) is not set llvm attribute sanitize_S llvm-svn: 176075
26 lines
910 B
LLVM
26 lines
910 B
LLVM
; Test that AddressSanitizer instruments "(*a)++" only once.
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; RUN: opt < %s -asan -S -asan-opt=1 | FileCheck %s -check-prefix=OPT1
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; RUN: opt < %s -asan -S -asan-opt=0 | FileCheck %s -check-prefix=OPT0
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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"
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target triple = "x86_64-unknown-linux-gnu"
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define void @IncrementMe(i32* %a) sanitize_address {
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entry:
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%tmp1 = load i32* %a, align 4
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%tmp2 = add i32 %tmp1, 1
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store i32 %tmp2, i32* %a, align 4
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ret void
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}
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; With optimizations enabled we should see only one call to __asan_report_*
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; OPT1: IncrementMe
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; OPT1: __asan_report_
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; OPT1-NOT: __asan_report_
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; OPT1: asan.module_ctor
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; Without optimizations we should see two calls to __asan_report_*
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; OPT0: IncrementMe
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; OPT0: __asan_report_
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; OPT0: __asan_report_
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; OPT0: asan.module_ctor
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