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Check register classes also when changing them.

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We have the same assertion in createVirtualRegister.

llvm-svn: 176959
This commit is contained in:
Jakob Stoklund Olesen 2013-03-13 18:11:17 +00:00
parent 3294ca42bf
commit e1dec0ef60
1 changed files with 1 additions and 0 deletions
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lib/CodeGen/MachineRegisterInfo.cpp
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@ -37,6 +37,7 @@ MachineRegisterInfo::~MachineRegisterInfo() {
///
void
MachineRegisterInfo::setRegClass(unsigned Reg, const TargetRegisterClass *RC) {
assert(RC && RC->isAllocatable() && "Invalid RC for virtual register");
VRegInfo[Reg].first = RC;
}