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Check register classes also when changing them.

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We have the same assertion in createVirtualRegister.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176959 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2013-03-13 18:11:17 +00:00
parent d8bfde0c6a
commit e8a3cc6878
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 void
MachineRegisterInfo::setRegClass(unsigned Reg, const TargetRegisterClass *RC) { MachineRegisterInfo::setRegClass(unsigned Reg, const TargetRegisterClass *RC) {
assert(RC && RC->isAllocatable() && "Invalid RC for virtual register");
VRegInfo[Reg].first = RC; VRegInfo[Reg].first = RC;
} }