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Refactor the ARM CMPz* patterns to just use the normal CMP instructions when

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possible. They were duplicates for everything exception the source pattern
before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121179 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2010-12-07 20:41:06 +00:00
parent 52f21e35e8
commit 97a884d602
6 changed files with 25 additions and 41 deletions
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2
lib/Target/ARM/ARMConstantIslandPass.cpp
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@@ -1648,7 +1648,7 @@ bool ARMConstantIslands::OptimizeThumb2Branches(MachineFunction &MF) {
unsigned DestOffset = BBOffsets[DestBB->getNumber()];
if (BrOffset < DestOffset && (DestOffset - BrOffset) <= 126) {
MachineBasicBlock::iterator CmpMI = Br.MI; --CmpMI;
if (CmpMI->getOpcode() == ARM::tCMPzi8) {
if (CmpMI->getOpcode() == ARM::tCMPi8) {
unsigned Reg = CmpMI->getOperand(0).getReg();
Pred = llvm::getInstrPredicate(CmpMI, PredReg);
if (Pred == ARMCC::AL &&