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| author | Chris Lattner <sabre@nondot.org> | 2006-10-26 18:27:26 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-10-26 18:27:26 +0000 |
| commit | 4d3839ded2f434c67bc5f5cc7803978a727defb3 (patch) | |
| tree | 63d5763597b4d3c9852d8328e405ddf6c9187305 /lib/VMCore/Instruction.cpp | |
| parent | 9290885e6a20c55395aedc15a97fa2a2a692ba13 (diff) | |
| download | llvm-4d3839ded2f434c67bc5f5cc7803978a727defb3.tar.gz llvm-4d3839ded2f434c67bc5f5cc7803978a727defb3.tar.bz2 llvm-4d3839ded2f434c67bc5f5cc7803978a727defb3.tar.xz | |
Fix Transforms/InstCombine/2006-10-26-VectorReassoc.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31200 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/Instruction.cpp')
| -rw-r--r-- | lib/VMCore/Instruction.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp index c5e8e30354..9b5fa714ea 100644 --- a/lib/VMCore/Instruction.cpp +++ b/lib/VMCore/Instruction.cpp @@ -172,11 +172,12 @@ bool Instruction::isIdenticalTo(Instruction *I) const { /// applied to floating point types. /// bool Instruction::isAssociative(unsigned Opcode, const Type *Ty) { - if (Opcode == Add || Opcode == Mul || - Opcode == And || Opcode == Or || Opcode == Xor) { - // Floating point operations do not associate! - return !Ty->isFloatingPoint(); - } + if (Opcode == And || Opcode == Or || Opcode == Xor) + return true; + + // Add/Mul reassociate unless they are FP or FP vectors. + if (Opcode == Add || Opcode == Mul) + return !Ty->isFPOrFPVector(); return 0; } |