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| author | Dan Gohman <gohman@apple.com> | 2010-10-07 23:36:45 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-10-07 23:36:45 +0000 |
| commit | dd3db0e0c33958328cc709f01aba45c8d9e57f1f (patch) | |
| tree | 06260753a15a505fccb0c3ad2356e769ade24ede /lib/Transforms/Scalar/LoopStrengthReduce.cpp | |
| parent | 122e2ea043918c77ebdd8936875f14282503d60f (diff) | |
When merging one use into another, transfer the offsets from
the old use to the new one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116008 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopStrengthReduce.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 07477661f9..f54bf63de2 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -3035,6 +3035,14 @@ void LSRInstance::NarrowSearchSpaceByCollapsingUnrolledCode() { if (Fixup.LUIdx == LUIdx) { Fixup.LUIdx = LUThatHas - &Uses.front(); Fixup.Offset += F.AM.BaseOffs; + // Add the new offset to LUThatHas' offset list. + if (LUThatHas->Offsets.back() != Fixup.Offset) { + LUThatHas->Offsets.push_back(Fixup.Offset); + if (Fixup.Offset > LUThatHas->MaxOffset) + LUThatHas->MaxOffset = Fixup.Offset; + if (Fixup.Offset < LUThatHas->MinOffset) + LUThatHas->MinOffset = Fixup.Offset; + } DEBUG(dbgs() << "New fixup has offset " << Fixup.Offset << '\n'); } |