diff options
Diffstat (limited to 'lib/CodeGen/CallingConvLower.cpp')
-rw-r--r-- | lib/CodeGen/CallingConvLower.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/CallingConvLower.cpp b/lib/CodeGen/CallingConvLower.cpp index 2b7dfdbe41..b2c976b2a5 100644 --- a/lib/CodeGen/CallingConvLower.cpp +++ b/lib/CodeGen/CallingConvLower.cpp @@ -58,9 +58,8 @@ void CCState::HandleByVal(unsigned ValNo, MVT ValVT, /// MarkAllocated - Mark a register and all of its aliases as allocated. void CCState::MarkAllocated(unsigned Reg) { - for (const uint16_t *Alias = TRI.getOverlaps(Reg); - unsigned Reg = *Alias; ++Alias) - UsedRegs[Reg/32] |= 1 << (Reg&31); + for (MCRegAliasIterator AI(Reg, &TRI, true); AI.isValid(); ++AI) + UsedRegs[*AI/32] |= 1 << (*AI&31); } /// AnalyzeFormalArguments - Analyze an array of argument values, |