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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 | 92a0083944c2ac5ab5b7b54d88113f41862eaaef (patch) | |
| tree | 80e6295842a883a4d1fdcc735dd7963fe6e5abfc /llvm/lib/Target/Sparc/DelaySlotFiller.cpp | |
| parent | e5476db2d8627a82b9af6fc2f153a3f130f0e770 (diff) | |
| download | llvm-92a0083944c2ac5ab5b7b54d88113f41862eaaef.zip llvm-92a0083944c2ac5ab5b7b54d88113f41862eaaef.tar.gz llvm-92a0083944c2ac5ab5b7b54d88113f41862eaaef.tar.bz2 | |
Switch some getAliasSet clients to MCRegAliasIterator.
MCRegAliasIterator can optionally visit the register itself, allowing
for simpler code.
llvm-svn: 157837
Diffstat (limited to 'llvm/lib/Target/Sparc/DelaySlotFiller.cpp')
| -rw-r--r-- | llvm/lib/Target/Sparc/DelaySlotFiller.cpp | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/llvm/lib/Target/Sparc/DelaySlotFiller.cpp b/llvm/lib/Target/Sparc/DelaySlotFiller.cpp index 883aa3a..7bf8c3f 100644 --- a/llvm/lib/Target/Sparc/DelaySlotFiller.cpp +++ b/llvm/lib/Target/Sparc/DelaySlotFiller.cpp @@ -279,14 +279,11 @@ 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; } |