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| author | Evan Cheng <evan.cheng@apple.com> | 2007-10-23 20:14:40 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-10-23 20:14:40 +0000 |
| commit | b5130eb0d47d69561c2b907f082a757ed38cfb32 (patch) | |
| tree | f02840df05b60095ddd0cd5e3939f8bc4f503273 /lib/CodeGen/TwoAddressInstructionPass.cpp | |
| parent | 1b953f0761c68244ad46d6dbe1b3676a1745f21c (diff) | |
| download | external_llvm-b5130eb0d47d69561c2b907f082a757ed38cfb32.zip external_llvm-b5130eb0d47d69561c2b907f082a757ed38cfb32.tar.gz external_llvm-b5130eb0d47d69561c2b907f082a757ed38cfb32.tar.bz2 | |
It's possible to commute instrctions with more than 3 operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43256 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index 53b08d6..277257b 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -143,7 +143,7 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) { // so, swap the B and C operands. This makes the live ranges of A // and C joinable. // FIXME: This code also works for A := B op C instructions. - if ((TID->Flags & M_COMMUTABLE) && mi->getNumOperands() == 3) { + if ((TID->Flags & M_COMMUTABLE) && mi->getNumOperands() >= 3) { assert(mi->getOperand(3-si).isRegister() && "Not a proper commutative instruction!"); unsigned regC = mi->getOperand(3-si).getReg(); |