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remove the pointless check of MemoryUseIntrinsic from

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is trivially dead, since these have side effects.  This makes the
(misnamed) MemoryUseIntrinsic class dead, so remove it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120382 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-11-30 02:03:47 +00:00
parent 12bf43bc4f
commit d6f02d1fff
2 changed files with 1 additions and 27 deletions
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3
lib/Transforms/Utils/Local.cpp
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@ -209,9 +209,6 @@ bool llvm::isInstructionTriviallyDead(Instruction *I) {
// We don't want debug info removed by anything this general.
if (isa<DbgInfoIntrinsic>(I)) return false;
// Likewise for memory use markers.
if (isa<MemoryUseIntrinsic>(I)) return false;
if (!I->mayHaveSideEffects()) return true;
// Special case intrinsics that "may have side effects" but can be deleted