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[msan] Check return value of main().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190782 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evgeniy Stepanov
2013-09-16 13:24:32 +00:00
parent e925f7dbbf
commit e5c8c5a1bc
2 changed files with 32 additions and 5 deletions
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18
test/Instrumentation/MemorySanitizer/return_from_main.ll Normal file
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; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s
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-S128"
target triple = "x86_64-unknown-linux-gnu"
define i32 @main() sanitize_memory {
entry:
%call = tail call i32 @f()
ret i32 %call
}
declare i32 @f() sanitize_memory
; CHECK: @main
; CHECK: call i32 @f()
; CHECK: store i32 0, {{.*}} @__msan_retval_tls
; CHECK: br i1
; CHECK: call void @__msan_warning_noreturn()
; CHECK: ret i32