diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegUsageInfoCollector.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegUsageInfoCollector.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegUsageInfoCollector.cpp b/llvm/lib/CodeGen/RegUsageInfoCollector.cpp index 6657cf3c1ef4..ca5e0b428c47 100644 --- a/llvm/lib/CodeGen/RegUsageInfoCollector.cpp +++ b/llvm/lib/CodeGen/RegUsageInfoCollector.cpp @@ -142,6 +142,9 @@ bool RegUsageInfoCollector::runOnMachineFunction(MachineFunction &MF) { RegMask[Reg / 32] &= ~(1u << Reg % 32); }; + // Don't include $noreg in any regmasks. + SetRegAsDefined(MCRegister::NoRegister); + // Some targets can clobber registers "inside" a call, typically in // linker-generated code. for (const MCPhysReg Reg : TRI->getIntraCallClobberedRegs(&MF)) |