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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-01 20:36:54 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-01 20:36:54 +0000 |
| commit | f152fe8d487c46873bbdd4abab43200f783e978b (patch) | |
| tree | 42739be7996946e18e2b54ca3c1d801a96f73207 /lib/Target/Mips/MipsDelaySlotFiller.cpp | |
| parent | 73c2f7f5ed767a6fc062fd198551be902b7b7d5b (diff) | |
| download | llvm-f152fe8d487c46873bbdd4abab43200f783e978b.tar.gz llvm-f152fe8d487c46873bbdd4abab43200f783e978b.tar.bz2 llvm-f152fe8d487c46873bbdd4abab43200f783e978b.tar.xz | |
Switch some getAliasSet clients to MCRegAliasIterator.
MCRegAliasIterator can optionally visit the register itself, allowing
for simpler code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157837 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsDelaySlotFiller.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsDelaySlotFiller.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/Target/Mips/MipsDelaySlotFiller.cpp b/lib/Target/Mips/MipsDelaySlotFiller.cpp index 382e90bf38..a8c4b05ecd 100644 --- a/lib/Target/Mips/MipsDelaySlotFiller.cpp +++ b/lib/Target/Mips/MipsDelaySlotFiller.cpp @@ -251,13 +251,10 @@ void Filler::insertDefsUses(MachineBasicBlock::iterator MI, //returns true if the Reg or its alias is in the RegSet. bool Filler::IsRegInSet(SmallSet<unsigned, 32>& RegSet, unsigned Reg) { - if (RegSet.count(Reg)) - return true; - // check Aliased Registers - for (const uint16_t *Alias = TM.getRegisterInfo()->getAliasSet(Reg); - *Alias; ++Alias) - if (RegSet.count(*Alias)) + // Check Reg and all aliased Registers. + for (MCRegAliasIterator AI(Reg, TM.getRegisterInfo(), true); + AI.isValid(); ++AI) + if (RegSet.count(*AI)) return true; - return false; } |