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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 | cc5bd4a56140f8c7381afa686f28b361fd540436 (patch) | |
| tree | d2b2082f3661ba68e21b9dca6fc2845898985444 /lib | |
| parent | d02be24cadbba4754df2f3e83473b72c5de698dd (diff) | |
| download | external_llvm-cc5bd4a56140f8c7381afa686f28b361fd540436.zip external_llvm-cc5bd4a56140f8c7381afa686f28b361fd540436.tar.gz external_llvm-cc5bd4a56140f8c7381afa686f28b361fd540436.tar.bz2 | |
Prevent IMPLICIT_DEF/KILL to become a delay filler instruction in SPARC backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125444 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/Sparc/DelaySlotFiller.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/Sparc/DelaySlotFiller.cpp b/lib/Target/Sparc/DelaySlotFiller.cpp index b0d669b..ee29275 100644 --- a/lib/Target/Sparc/DelaySlotFiller.cpp +++ b/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) |