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| author | Chad Rosier <mcrosier@apple.com> | 2012-11-26 23:37:07 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2012-11-26 23:37:07 +0000 |
| commit | 110b73e0e530cbe9184a5218e35197d8f0b11825 (patch) | |
| tree | 51d9e62343441456880d460b8997c5d16cfafe27 /llvm/lib/CodeGen/MachineRegisterInfo.cpp | |
| parent | e66c51d11115a7dd2e2fcfd49e262905c9a0aae5 (diff) | |
| download | llvm-110b73e0e530cbe9184a5218e35197d8f0b11825.zip llvm-110b73e0e530cbe9184a5218e35197d8f0b11825.tar.gz llvm-110b73e0e530cbe9184a5218e35197d8f0b11825.tar.bz2 | |
Add an assertion to ensure freezeReservedRegs() is only ever called once.
llvm-svn: 168633
Diffstat (limited to 'llvm/lib/CodeGen/MachineRegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineRegisterInfo.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineRegisterInfo.cpp b/llvm/lib/CodeGen/MachineRegisterInfo.cpp index 95d7a7d..34518fa 100644 --- a/llvm/lib/CodeGen/MachineRegisterInfo.cpp +++ b/llvm/lib/CodeGen/MachineRegisterInfo.cpp @@ -305,6 +305,8 @@ void MachineRegisterInfo::dumpUses(unsigned Reg) const { #endif void MachineRegisterInfo::freezeReservedRegs(const MachineFunction &MF) { + assert (!reservedRegsFrozen() && + "freezeReservedRegs should only be called once!"); ReservedRegs = TRI->getReservedRegs(MF); assert(ReservedRegs.size() == TRI->getNumRegs() && "Invalid ReservedRegs vector from target"); |