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Fix "Not having LAHF/SAHF" assert. 

It wants to assert that the subtarget is 64-bit, not the register.

llvm-svn: 255703
This commit is contained in:
Hans Wennborg 2015-12-15 23:21:46 +00:00
parent 7750f4ed9e
commit 7036e503d7
1 changed files with 2 additions and 1 deletions
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3
llvm/lib/Target/X86/X86InstrInfo.cpp
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@ -4417,7 +4417,8 @@ void X86InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
int AX = is64 ? X86::RAX : X86::EAX;
if (!Subtarget.hasLAHFSAHF()) {
assert(is64 && "Not having LAHF/SAHF only happens on 64-bit.");
assert(Subtarget.is64Bit() &&
"Not having LAHF/SAHF only happens on 64-bit.");
// Moving EFLAGS to / from another register requires a push and a pop.
// Notice that we have to adjust the stack if we don't want to clobber the
// first frame index. See X86FrameLowering.cpp - clobbersTheStack.