diff options
| author | Dan Gohman <gohman@apple.com> | 2008-09-16 18:52:57 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-09-16 18:52:57 +0000 |
| commit | 70ff4cf1baf8cce04b38752ea485425782fb07b8 (patch) | |
| tree | 8c577c8b629c215ae200ce2e0505518be0681a14 /lib/Analysis/ScalarEvolution.cpp | |
| parent | 81b28ceab6bd0ed6a784b7dc952ddb0b03fc6de7 (diff) | |
Finally re-apply r46959. This is made feasible by the combination
of r56230, r56232, and r56246.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56247 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/ScalarEvolution.cpp')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 4e85e90e9e..5125804469 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -1981,8 +1981,8 @@ SCEVHandle ScalarEvolutionsImpl::ComputeIterationCount(const Loop *L) { // At this point, we would like to compute how many iterations of the // loop the predicate will return true for these inputs. - if (isa<SCEVConstant>(LHS) && !isa<SCEVConstant>(RHS)) { - // If there is a constant, force it into the RHS. + if (LHS->isLoopInvariant(L) && !RHS->isLoopInvariant(L)) { + // If there is a loop-invariant, force it into the RHS. std::swap(LHS, RHS); Cond = ICmpInst::getSwappedPredicate(Cond); } |