diff options
Diffstat (limited to 'lib/CodeGen/CallingConvLower.cpp')
| -rw-r--r-- | lib/CodeGen/CallingConvLower.cpp | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/CodeGen/CallingConvLower.cpp b/lib/CodeGen/CallingConvLower.cpp index cb3f9acdfe..2ad80b4d3a 100644 --- a/lib/CodeGen/CallingConvLower.cpp +++ b/lib/CodeGen/CallingConvLower.cpp @@ -51,11 +51,9 @@ void CCState::HandleByVal(unsigned ValNo, MVT ValVT, /// MarkAllocated - Mark a register and all of its aliases as allocated. void CCState::MarkAllocated(unsigned Reg) { - UsedRegs[Reg/32] |= 1 << (Reg&31); - - if (const unsigned *RegAliases = TRI.getAliasSet(Reg)) - for (; (Reg = *RegAliases); ++RegAliases) - UsedRegs[Reg/32] |= 1 << (Reg&31); + for (const unsigned *Alias = TRI.getOverlaps(Reg); + unsigned Reg = *Alias; ++Alias) + UsedRegs[Reg/32] |= 1 << (Reg&31); } /// AnalyzeFormalArguments - Analyze an array of argument values, |