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authorJakob Stoklund Olesen <stoklund@2pi.dk>2012-06-01 20:36:54 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2012-06-01 20:36:54 +0000
commitf152fe8d487c46873bbdd4abab43200f783e978b (patch)
tree42739be7996946e18e2b54ca3c1d801a96f73207 /lib/Target/Sparc
parent73c2f7f5ed767a6fc062fd198551be902b7b7d5b (diff)
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/Sparc')
-rw-r--r--lib/Target/Sparc/DelaySlotFiller.cpp11
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/Target/Sparc/DelaySlotFiller.cpp b/lib/Target/Sparc/DelaySlotFiller.cpp
index 883aa3a497..7bf8c3f85e 100644
--- a/lib/Target/Sparc/DelaySlotFiller.cpp
+++ b/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;
}