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| author | Chris Lattner <sabre@nondot.org> | 2009-10-20 20:27:49 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-10-20 20:27:49 +0000 |
| commit | 88a8624f8e104e1ba1ca21efa6ae23680b528a3e (patch) | |
| tree | e8cfa16cbd8c20a0304d8cfa3bb4d13575f86053 /test/Transforms/JumpThreading/crash.ll | |
| parent | 18ed9c9a2bd7f1f56129495b499264c58b5cc4f4 (diff) | |
| download | external_llvm-88a8624f8e104e1ba1ca21efa6ae23680b528a3e.zip external_llvm-88a8624f8e104e1ba1ca21efa6ae23680b528a3e.tar.gz external_llvm-88a8624f8e104e1ba1ca21efa6ae23680b528a3e.tar.bz2 | |
alternate fix for PR5258 which avoids worklist problems, with reduced testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84667 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/JumpThreading/crash.ll')
| -rw-r--r-- | test/Transforms/JumpThreading/crash.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/Transforms/JumpThreading/crash.ll b/test/Transforms/JumpThreading/crash.ll index 0b6cd27..023c7d0 100644 --- a/test/Transforms/JumpThreading/crash.ll +++ b/test/Transforms/JumpThreading/crash.ll @@ -54,3 +54,38 @@ bb15: bb61: ret void } + + +; PR5258 +define i32 @test(i1 %cond, i1 %cond2, i32 %a) { +A: + br i1 %cond, label %F, label %A1 +F: + br label %A1 + +A1: + %d = phi i1 [false, %A], [true, %F] + %e = add i32 %a, %a + br i1 %d, label %B, label %G + +G: + br i1 %cond2, label %B, label %D + +B: + %f = phi i32 [%e, %G], [%e, %A1] + %b = add i32 0, 0 + switch i32 %a, label %C [ + i32 7, label %D + i32 8, label %D + i32 9, label %D + ] + +C: + br label %D + +D: + %c = phi i32 [%e, %B], [%e, %B], [%e, %B], [%f, %C], [%e, %G] + ret i32 %c +E: + ret i32 412 +}
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