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| author | Kostya Serebryany <kcc@google.com> | 2012-02-08 21:36:17 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2012-02-08 21:36:17 +0000 |
| commit | 95e3cf44a9d4672655dee3bd558bfeefa631dd55 (patch) | |
| tree | a089e7e4d1c3437d2231dbefe7e01f1719700ccb /test/Instrumentation/AddressSanitizer | |
| parent | 1dd8c8560d45d36a8e507cd014352f1d313f9f9e (diff) | |
| download | external_llvm-95e3cf44a9d4672655dee3bd558bfeefa631dd55.zip external_llvm-95e3cf44a9d4672655dee3bd558bfeefa631dd55.tar.gz external_llvm-95e3cf44a9d4672655dee3bd558bfeefa631dd55.tar.bz2 | |
[asan] unpoison the stack before every noreturn call. Fixes asan issue 37. llvm part
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150102 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation/AddressSanitizer')
| -rw-r--r-- | test/Instrumentation/AddressSanitizer/instrument-no-return.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Instrumentation/AddressSanitizer/instrument-no-return.ll b/test/Instrumentation/AddressSanitizer/instrument-no-return.ll new file mode 100644 index 0000000..80f1b1c --- /dev/null +++ b/test/Instrumentation/AddressSanitizer/instrument-no-return.ll @@ -0,0 +1,17 @@ +; RUN: opt < %s -asan -S | FileCheck %s +; AddressSanitizer must insert __asan_handle_no_return +; before every noreturn call. + +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" +target triple = "x86_64-unknown-linux-gnu" + +declare void @MyNoReturnFunc(i32) noreturn + +define i32 @_Z5ChildPv(i8* nocapture %arg) uwtable address_safety { +entry: + call void @MyNoReturnFunc(i32 1) noreturn + unreachable +} + +; CHECK: call void @__asan_handle_no_return +; CHECK-NEXT: call void @MyNoReturnFunc |