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| author | Cameron Zwarich <zwarich@apple.com> | 2011-03-11 21:51:56 +0000 |
|---|---|---|
| committer | Cameron Zwarich <zwarich@apple.com> | 2011-03-11 21:51:56 +0000 |
| commit | 53aac15a607d66926e586c7fc57634f6be4ef443 (patch) | |
| tree | 7aa7a1d2a1082ed275d50a136df6b2a620bf7e71 /test | |
| parent | 2ce5bf188dfa4329eb246df6011dd1edde5a5979 (diff) | |
| download | llvm-53aac15a607d66926e586c7fc57634f6be4ef443.tar.gz llvm-53aac15a607d66926e586c7fc57634f6be4ef443.tar.bz2 llvm-53aac15a607d66926e586c7fc57634f6be4ef443.tar.xz | |
Fix the GCC test suite issue exposed by r127477, which was caused by stack
protector insertion not working correctly with unreachable code. Since that
revision was rolled out, this test doesn't actual fail before this fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127497 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/unreachable-stack-protector.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/unreachable-stack-protector.ll b/test/CodeGen/X86/unreachable-stack-protector.ll new file mode 100644 index 0000000000..eeebceea71 --- /dev/null +++ b/test/CodeGen/X86/unreachable-stack-protector.ll @@ -0,0 +1,19 @@ +; RUN: llc < %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" +target triple = "x86_64-apple-darwin10.0.0" + +declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readnone + +define void @test5() nounwind optsize noinline ssp { +entry: +; CHECK: movq ___stack_chk_guard@GOTPCREL(%rip) + %buf = alloca [64 x i8], align 16 + %0 = call i64 @llvm.objectsize.i64(i8* undef, i1 false) + br i1 false, label %if.end, label %if.then + +if.then: ; preds = %entry + unreachable + +if.end: ; preds = %entry + ret void +} |