Hal Finkel f16d6b1ff1 EarlyCSE should ignore calls to @llvm.assume ... EarlyCSE uses a simple generation scheme for handling memory-based dependencies, and calls to @llvm.assume (which are marked as writing to memory to ensure the preservation of control dependencies) disturb that scheme unnecessarily. Skipping calls to @llvm.assume is legal, and the alternative (adding AA calls in EarlyCSE) is likely undesirable (we have GVN for that). Fixes PR21448. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221175 91177308-0d34-0410-b5e6-96231b3b80d8		2014-11-03 20:21:32 +00:00
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Scalar	EarlyCSE should ignore calls to @llvm.assume	2014-11-03 20:21:32 +00:00
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