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| author | Venkatraman Govindaraju <venkatra@cs.wisc.edu> | 2011-02-12 19:02:33 +0000 |
|---|---|---|
| committer | Venkatraman Govindaraju <venkatra@cs.wisc.edu> | 2011-02-12 19:02:33 +0000 |
| commit | 0c1f65317b112832d48b3df3252c9ba23b7c56b8 (patch) | |
| tree | 56b9644db22e4e7a356322f7d8b2dcbb50fab36a /llvm/lib/Target/Sparc | |
| parent | c059798756b4ffca77a209178dbcc1850a62b4a0 (diff) | |
| download | bcm5719-llvm-0c1f65317b112832d48b3df3252c9ba23b7c56b8.tar.gz bcm5719-llvm-0c1f65317b112832d48b3df3252c9ba23b7c56b8.zip | |
Prevent IMPLICIT_DEF/KILL to become a delay filler instruction in SPARC backend.
llvm-svn: 125444
Diffstat (limited to 'llvm/lib/Target/Sparc')
| -rw-r--r-- | llvm/lib/Target/Sparc/DelaySlotFiller.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/Sparc/DelaySlotFiller.cpp b/llvm/lib/Target/Sparc/DelaySlotFiller.cpp index b0d669b860f..ee292758d18 100644 --- a/llvm/lib/Target/Sparc/DelaySlotFiller.cpp +++ b/llvm/lib/Target/Sparc/DelaySlotFiller.cpp @@ -182,6 +182,9 @@ bool Filler::delayHasHazard(MachineBasicBlock::iterator candidate, SmallSet<unsigned, 32> &RegUses) { + if (candidate->isImplicitDef() || candidate->isKill()) + return true; + if (candidate->getDesc().mayLoad()) { sawLoad = true; if (sawStore) |
