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The "invariant.load" metadata indicates the memory unit being accessed is immutable. A load annotated with this metadata can be moved across any store. As I am not sure if it is legal to move such loads across barrier/fence, this change dose not allow such transformation. rdar://11311484 Thank Arnold for code review. llvm-svn: 176562 |
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BasicAA | ||
BlockFrequencyInfo | ||
BranchProbabilityInfo | ||
CallGraph | ||
CostModel | ||
DependenceAnalysis | ||
Dominators | ||
GlobalsModRef | ||
LoopInfo | ||
PostDominators | ||
Profiling | ||
RegionInfo | ||
ScalarEvolution | ||
TypeBasedAliasAnalysis |