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author | Evan Cheng <evan.cheng@apple.com> | 2011-12-07 07:15:52 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2011-12-07 07:15:52 +0000 |
commit | 5a96b3dad2f634c9081c8b2b6c2575441dc5a2bd (patch) | |
tree | 88fa5be8f6cf6e9a222e79c8806f29c8841925d1 /lib/Target/TargetInstrInfo.cpp | |
parent | 5729c5848c74a2413cc1d32a5f3c746aff5d9ccc (diff) | |
download | llvm-5a96b3dad2f634c9081c8b2b6c2575441dc5a2bd.tar.gz llvm-5a96b3dad2f634c9081c8b2b6c2575441dc5a2bd.tar.bz2 llvm-5a96b3dad2f634c9081c8b2b6c2575441dc5a2bd.tar.xz |
Add bundle aware API for querying instruction properties and switch the code
generator to it. For non-bundle instructions, these behave exactly the same
as the MC layer API.
For properties like mayLoad / mayStore, look into the bundle and if any of the
bundled instructions has the property it would return true.
For properties like isPredicable, only return true if *all* of the bundled
instructions have the property.
For properties like canFoldAsLoad, isCompare, conservatively return false for
bundles.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146026 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/TargetInstrInfo.cpp')
-rw-r--r-- | lib/Target/TargetInstrInfo.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Target/TargetInstrInfo.cpp b/lib/Target/TargetInstrInfo.cpp index d52ecb32cf..2097a18cf7 100644 --- a/lib/Target/TargetInstrInfo.cpp +++ b/lib/Target/TargetInstrInfo.cpp @@ -130,13 +130,12 @@ void TargetInstrInfo::insertNoop(MachineBasicBlock &MBB, bool TargetInstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const { - const MCInstrDesc &MCID = MI->getDesc(); - if (!MCID.isTerminator()) return false; + if (!MI->isTerminator()) return false; // Conditional branch is a special case. - if (MCID.isBranch() && !MCID.isBarrier()) + if (MI->isBranch() && !MI->isBarrier()) return true; - if (!MCID.isPredicable()) + if (!MI->isPredicable()) return true; return !isPredicated(MI); } |