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| author | Chris Lattner <sabre@nondot.org> | 2002-10-08 17:07:39 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2002-10-08 17:07:39 +0000 |
| commit | 57b314cfb1b342e1add74fa2d160db5ff91c89fb (patch) | |
| tree | 9617d95c45432926c17f7ff5986a826c79ce0a86 | |
| parent | 6eaeb5764cc683c356ad1a8c13ad94151de030f2 (diff) | |
It is illegal for PHI nodes to have zero values, delete the code to handle them
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4071 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index f0e639742d..74a1496bfa 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -630,8 +630,6 @@ Instruction *InstCombiner::visitCastInst(CastInst &CI) { // Instruction *InstCombiner::visitPHINode(PHINode &PN) { // If the PHI node only has one incoming value, eliminate the PHI node... - if (PN.getNumIncomingValues() == 0) - return ReplaceInstUsesWith(PN, Constant::getNullValue(PN.getType())); if (PN.getNumIncomingValues() == 1) return ReplaceInstUsesWith(PN, PN.getIncomingValue(0)); |