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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 | 9c1e06e18721206c736512f3448997b41145019c (patch) | |
| tree | db3bdec896cb1afeb074fbd86c21422f51f9d88d /test/CodeGen/PowerPC/2008-04-16-CoalescerBug.ll | |
| parent | 52e724ad7e679ee590f4bd763d55280586a8f1bc (diff) | |
| download | llvm-9c1e06e18721206c736512f3448997b41145019c.tar.gz llvm-9c1e06e18721206c736512f3448997b41145019c.tar.bz2 llvm-9c1e06e18721206c736512f3448997b41145019c.tar.xz | |
After reading memory that's already freed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49810 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/2008-04-16-CoalescerBug.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/2008-04-16-CoalescerBug.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/2008-04-16-CoalescerBug.ll b/test/CodeGen/PowerPC/2008-04-16-CoalescerBug.ll new file mode 100644 index 0000000000..357ab100d2 --- /dev/null +++ b/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 +} |