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| author | Shih-wei Liao <sliao@google.com> | 2010-04-07 12:21:42 -0700 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2010-04-07 12:21:42 -0700 |
| commit | e4454320b3cfffe926a487c33fbeb454366de2f8 (patch) | |
| tree | 133c05da684edf4a3b2529bcacfa996298c455f6 /test/CodeGen/X86/crash.ll | |
| parent | 20570085304f0a4ab4f112a01d77958bbd2827a1 (diff) | |
| download | external_llvm-e4454320b3cfffe926a487c33fbeb454366de2f8.tar.gz external_llvm-e4454320b3cfffe926a487c33fbeb454366de2f8.tar.bz2 external_llvm-e4454320b3cfffe926a487c33fbeb454366de2f8.zip | |
libbcc
Change-Id: Ieaa3ebd5a38f370752495549f8870b534eeedfc5
Diffstat (limited to 'test/CodeGen/X86/crash.ll')
| -rw-r--r-- | test/CodeGen/X86/crash.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/X86/crash.ll b/test/CodeGen/X86/crash.ll new file mode 100644 index 0000000000..1e13046f2a --- /dev/null +++ b/test/CodeGen/X86/crash.ll @@ -0,0 +1,20 @@ +; RUN: llc -march=x86 %s -o - +; RUN: llc -march=x86-64 %s -o - + +; PR6497 + +; Chain and flag folding issues. +define i32 @test1() nounwind ssp { +entry: + %tmp5.i = volatile load i32* undef ; <i32> [#uses=1] + %conv.i = zext i32 %tmp5.i to i64 ; <i64> [#uses=1] + %tmp12.i = volatile load i32* undef ; <i32> [#uses=1] + %conv13.i = zext i32 %tmp12.i to i64 ; <i64> [#uses=1] + %shl.i = shl i64 %conv13.i, 32 ; <i64> [#uses=1] + %or.i = or i64 %shl.i, %conv.i ; <i64> [#uses=1] + %add16.i = add i64 %or.i, 256 ; <i64> [#uses=1] + %shr.i = lshr i64 %add16.i, 8 ; <i64> [#uses=1] + %conv19.i = trunc i64 %shr.i to i32 ; <i32> [#uses=1] + volatile store i32 %conv19.i, i32* undef + ret i32 undef +} |