diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86FlagsCopyLowering.cpp | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86FlagsCopyLowering.cpp b/llvm/lib/Target/X86/X86FlagsCopyLowering.cpp index fea5ce68766..e31a47c5224 100644 --- a/llvm/lib/Target/X86/X86FlagsCopyLowering.cpp +++ b/llvm/lib/Target/X86/X86FlagsCopyLowering.cpp @@ -630,11 +630,6 @@ std::pair<unsigned, bool> X86FlagsCopyLoweringPass::getCondOrInverseInReg( void X86FlagsCopyLoweringPass::insertTest(MachineBasicBlock &MBB, MachineBasicBlock::iterator Pos, 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 = BuildMI(MBB, Pos, Loc, TII->get(X86::TEST8rr)).addReg(Reg).addReg(Reg); (void)TestI; |
