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[x86] Remove a comment obviated by r330269. Should have deleted the 

comment in the same revision but missed it.

Thanks to Dimitry Andric for catching this!

llvm-svn: 332177
This commit is contained in:
Chandler Carruth 2018-05-12 21:28:53 +00:00
parent 74f2989202
commit 095d69507e
1 changed files with 0 additions and 5 deletions
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5
llvm/lib/Target/X86/X86FlagsCopyLowering.cpp
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@ -630,11 +630,6 @@ std::pair<unsigned, bool> X86FlagsCopyLoweringPass::getCondOrInverseInReg(
void X86FlagsCopyLoweringPass::insertTest(MachineBasicBlock &MBB, void X86FlagsCopyLoweringPass::insertTest(MachineBasicBlock &MBB,
MachineBasicBlock::iterator Pos, MachineBasicBlock::iterator Pos,
DebugLoc Loc, unsigned Reg) { DebugLoc Loc, unsigned Reg) {
// We emit test instructions as register/immediate test against -1. This
// allows register allocation to fold a memory operand if needed (that will
// happen often due to the places this code is emitted). But hopefully will
// also allow us to select a shorter encoding of `testb %reg, %reg` when that
// would be equivalent.
auto TestI = auto TestI =
BuildMI(MBB, Pos, Loc, TII->get(X86::TEST8rr)).addReg(Reg).addReg(Reg); BuildMI(MBB, Pos, Loc, TII->get(X86::TEST8rr)).addReg(Reg).addReg(Reg);
(void)TestI; (void)TestI;