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These assertions should be return false's instead, allowing the client to detect the failure.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55377 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2008-08-26 18:50:40 +00:00
parent 70647e81e3
commit a317767f0e
1 changed files with 8 additions and 4 deletions
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12
lib/Target/X86/X86InstrInfo.cpp
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@ -1634,7 +1634,8 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
// Moving EFLAGS to / from another register requires a push and a pop.
if (SrcRC == &X86::CCRRegClass) {
assert(SrcReg == X86::EFLAGS);
if (SrcReg != X86::EFLAGS)
return false;
if (DestRC == &X86::GR64RegClass) {
BuildMI(MBB, MI, get(X86::PUSHFQ));
BuildMI(MBB, MI, get(X86::POP64r), DestReg);
@ -1645,7 +1646,8 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
return true;
}
} else if (DestRC == &X86::CCRRegClass) {
assert(DestReg == X86::EFLAGS);
if (DestReg != X86::EFLAGS)
return false;
if (SrcRC == &X86::GR64RegClass) {
BuildMI(MBB, MI, get(X86::PUSH64r)).addReg(SrcReg);
BuildMI(MBB, MI, get(X86::POPFQ));
@ -1670,7 +1672,8 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
else if (DestRC == &X86::RFP64RegClass)
Opc = isST0 ? X86::FpGET_ST0_64 : X86::FpGET_ST1_64;
else {
assert(DestRC == &X86::RFP80RegClass);
if (DestRC != &X86::RFP80RegClass)
return false;
Opc = isST0 ? X86::FpGET_ST0_80 : X86::FpGET_ST1_80;
}
BuildMI(MBB, MI, get(Opc), DestReg);
@ -1689,7 +1692,8 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB,
else if (SrcRC == &X86::RFP64RegClass)
Opc = X86::FpSET_ST0_64;
else {
assert(SrcRC == &X86::RFP80RegClass);
if (SrcRC != &X86::RFP80RegClass)
return false;
Opc = X86::FpSET_ST0_80;
}
BuildMI(MBB, MI, get(Opc)).addReg(SrcReg);