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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-05-06 10:15:34 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-05-06 10:15:34 +0000 |
| commit | 14f718c33ff605a062739a5819f7db1ac49ce543 (patch) | |
| tree | 900d9f2a3cd392a3d069bad5f2a440b1585d6eee | |
| parent | b09bb10c44fc6940ffece1ceec8008bf3fcaacf1 (diff) | |
| download | llvm-14f718c33ff605a062739a5819f7db1ac49ce543.tar.gz | |
[X86] X86InstrInfo::findThreeSrcCommutedOpIndices - fix unread variable warning.
scan-build was reporting that CommutableOpIdx1 never used its original initialized value - move it down to where its first used to make the real initialization more obvious (and matches the comment that's there).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@360028 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 480292b06a30..c8ba54c56b72 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -1769,7 +1769,6 @@ X86InstrInfo::findThreeSrcCommutedOpIndices(const MachineInstr &MI, // regardless of the FMA opcode. The FMA opcode is adjusted later. if (SrcOpIdx1 == CommuteAnyOperandIndex || SrcOpIdx2 == CommuteAnyOperandIndex) { - unsigned CommutableOpIdx1 = SrcOpIdx1; unsigned CommutableOpIdx2 = SrcOpIdx2; // At least one of operands to be commuted is not specified and @@ -1785,6 +1784,8 @@ X86InstrInfo::findThreeSrcCommutedOpIndices(const MachineInstr &MI, // CommutableOpIdx2 is well defined now. Let's choose another commutable // operand and assign its index to CommutableOpIdx1. unsigned Op2Reg = MI.getOperand(CommutableOpIdx2).getReg(); + + unsigned CommutableOpIdx1; for (CommutableOpIdx1 = LastCommutableVecOp; CommutableOpIdx1 >= FirstCommutableVecOp; CommutableOpIdx1--) { // Just ignore and skip the k-mask operand. |