forked from OSchip/llvm-project
9992b167ae
In a case where we have a no {un,}signed wrap flag on the increment, if
RHS - Start is constant then we can avoid inserting a max operation bewteen
the two, since we can statically determine which is greater.
This allows us to unroll loops such as:
void testcase3(int v) {
for (int i=v; i<=v+1; ++i)
f(i);
}
llvm-svn: 220960
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| BasicAA | ||
| BlockFrequencyInfo | ||
| BranchProbabilityInfo | ||
| CFLAliasAnalysis | ||
| CallGraph | ||
| CostModel | ||
| Delinearization | ||
| DependenceAnalysis | ||
| Dominators | ||
| GlobalsModRef | ||
| LazyCallGraph | ||
| Lint | ||
| LoopInfo | ||
| MemoryDependenceAnalysis | ||
| PostDominators | ||
| RegionInfo | ||
| ScalarEvolution | ||
| ScopedNoAliasAA | ||
| TypeBasedAliasAnalysis | ||