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Allow x86 compare to be commutable by default.

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llvm-svn: 42761
This commit is contained in:
Evan Cheng 2007-10-08 18:27:46 +00:00
parent 84b068154b
commit 090bfbebd1
1 changed files with 0 additions and 9 deletions
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9
lib/Target/X86/X86InstrInfo.cpp
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@ -22,15 +22,8 @@
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/SSARegMap.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Support/CommandLine.h"
using namespace llvm;
namespace {
cl::opt<bool>
EnableCommuteCMove("enable-x86-commute-cmove",
cl::desc("Commute conditional moves by inverting conditions"));
}
X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
: TargetInstrInfo(X86Insts, array_lengthof(X86Insts)),
TM(tm), RI(tm, *this) {
@ -442,8 +435,6 @@ MachineInstr *X86InstrInfo::commuteInstruction(MachineInstr *MI) const {
case X86::CMOVNP16rr:
case X86::CMOVNP32rr:
case X86::CMOVNP64rr: {
if (!EnableCommuteCMove)
return 0;
unsigned Opc = 0;
switch (MI->getOpcode()) {
default: break;