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  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2015-07-15 17:51:08 UTC
  • Revision ID: package-import@ubuntu.com-20150715175108-l8mynwovkx4zx697
Tags: upstream-3.7~+rc2
Import upstream version 3.7~+rc2

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test/Instrumentation/AddressSanitizer/instrument_load_then_store.ll
 
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; Test that AddressSanitizer instruments "(*a)++" only once.
 
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; RUN: opt < %s -asan -asan-module -S -asan-opt=1 | FileCheck %s -check-prefix=OPT1
 
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; RUN: opt < %s -asan -asan-module -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, 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