From e5c8c5a1bcecff7e2aa60672be6af2062ad63e6a Mon Sep 17 00:00:00 2001 From: Evgeniy Stepanov Date: Mon, 16 Sep 2013 13:24:32 +0000 Subject: [msan] Check return value of main(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190782 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../MemorySanitizer/return_from_main.ll | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 test/Instrumentation/MemorySanitizer/return_from_main.ll (limited to 'test/Instrumentation') diff --git a/test/Instrumentation/MemorySanitizer/return_from_main.ll b/test/Instrumentation/MemorySanitizer/return_from_main.ll new file mode 100644 index 0000000..81dc888 --- /dev/null +++ b/test/Instrumentation/MemorySanitizer/return_from_main.ll @@ -0,0 +1,18 @@ +; 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 -- cgit v1.1