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authorDehao Chen <dehao@google.com>2016-09-01 23:26:48 +0000
committerDehao Chen <dehao@google.com>2016-09-01 23:26:48 +0000
commitddd0c125e36808cd56bf434ee38125d464331a78 (patch)
treecd99feec5ef011aa49b9a62e92859a62550dc433 /llvm/lib/Transforms/Scalar/GVN.cpp
parent3087b2cf2ba1454b2aadee0cceefd5e2f71b50a8 (diff)
downloadbcm5719-llvm-ddd0c125e36808cd56bf434ee38125d464331a78.tar.gz
bcm5719-llvm-ddd0c125e36808cd56bf434ee38125d464331a78.zip
Refactor replaceDominatedUsesWith to have a flag to control whether to replace uses in BB itself.
Summary: This is in preparation for LoopSink pass which calls replaceDominatedUsesWith to update after sinking. Reviewers: chandlerc, davidxl, danielcdh Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D24170 llvm-svn: 280427
Diffstat (limited to 'llvm/lib/Transforms/Scalar/GVN.cpp')
-rw-r--r--llvm/lib/Transforms/Scalar/GVN.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index a108ce8d292..aaec475a682 100644
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -1962,7 +1962,7 @@ bool GVN::propagateEquality(Value *LHS, Value *RHS, const BasicBlockEdge &Root,
unsigned NumReplacements =
DominatesByEdge
? replaceDominatedUsesWith(LHS, RHS, *DT, Root)
- : replaceDominatedUsesWith(LHS, RHS, *DT, Root.getStart());
+ : replaceDominatedUsesWith(LHS, RHS, *DT, Root.getStart(), false);
Changed |= NumReplacements > 0;
NumGVNEqProp += NumReplacements;
@@ -2038,7 +2038,7 @@ bool GVN::propagateEquality(Value *LHS, Value *RHS, const BasicBlockEdge &Root,
DominatesByEdge
? replaceDominatedUsesWith(NotCmp, NotVal, *DT, Root)
: replaceDominatedUsesWith(NotCmp, NotVal, *DT,
- Root.getStart());
+ Root.getStart(), false);
Changed |= NumReplacements > 0;
NumGVNEqProp += NumReplacements;
}
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