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| author | Evan Cheng <evan.cheng@apple.com> | 2008-04-16 20:24:25 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-04-16 20:24:25 +0000 |
| commit | 59aa126e487f9a023d4cd90bb37c50787f0283fe (patch) | |
| tree | 08df7c5260750324f57cda9eac958696fa385d38 /llvm/test/CodeGen/PowerPC | |
| parent | ae84bbdbedb996b1e1aac8304f8f26f37a4a32de (diff) | |
| download | bcm5719-llvm-59aa126e487f9a023d4cd90bb37c50787f0283fe.tar.gz bcm5719-llvm-59aa126e487f9a023d4cd90bb37c50787f0283fe.zip | |
After reading memory that's already freed.
llvm-svn: 49810
Diffstat (limited to 'llvm/test/CodeGen/PowerPC')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/2008-04-16-CoalescerBug.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/PowerPC/2008-04-16-CoalescerBug.ll b/llvm/test/CodeGen/PowerPC/2008-04-16-CoalescerBug.ll new file mode 100644 index 00000000000..357ab100d2d --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/2008-04-16-CoalescerBug.ll @@ -0,0 +1,14 @@ +; RUN: llvm-as < %s | llc -mtriple=powerpc-apple-darwin +; Avoid reading memory that's already freed. + +@llvm.used = appending global [1 x i8*] [ i8* bitcast (i32 (i64)* @_Z13GetSectorSizey to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] + +define i32 @_Z13GetSectorSizey(i64 %Base) nounwind { +entry: + br i1 false, label %bb, label %UnifiedReturnBlock +bb: ; preds = %entry + %tmp10 = and i64 0, %Base ; <i64> [#uses=0] + ret i32 0 +UnifiedReturnBlock: ; preds = %entry + ret i32 131072 +} |
