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| author | Chris Lattner <sabre@nondot.org> | 2002-05-20 20:48:24 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2002-05-20 20:48:24 +0000 |
| commit | 7add8bdc08da804e400f7aaf39f5a7a97d177f48 (patch) | |
| tree | 071872c174daf1a0cbf5d829af91be29602e7176 /test/Transforms/SCCP | |
| parent | 618b4a11bbde3a9149e9735421d9eeee1784df69 (diff) | |
| download | llvm-7add8bdc08da804e400f7aaf39f5a7a97d177f48.tar.gz llvm-7add8bdc08da804e400f7aaf39f5a7a97d177f48.tar.bz2 llvm-7add8bdc08da804e400f7aaf39f5a7a97d177f48.tar.xz | |
New testcase for bug
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2670 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SCCP')
| -rw-r--r-- | test/Transforms/SCCP/2002-05-20-MissedIncomingValue.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Transforms/SCCP/2002-05-20-MissedIncomingValue.ll b/test/Transforms/SCCP/2002-05-20-MissedIncomingValue.ll new file mode 100644 index 0000000000..ec30c67aad --- /dev/null +++ b/test/Transforms/SCCP/2002-05-20-MissedIncomingValue.ll @@ -0,0 +1,20 @@ +; This test shows a case where SCCP is incorrectly eliminating the PHI node +; because it thinks it has a constant 0 value, when it really doesn't. + +; RUN: as < %s | opt -sccp | dis | grep phi + +int "test"(int %A, bool %c) { +bb1: + br label %BB2 +BB2: + %V = phi int [0, %bb1], [%A, %BB4] + br label %BB3 + +BB3: + br bool %c, label %BB4, label %BB5 +BB4: + br label %BB2 + +BB5: + ret int %V +} |