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-rw-r--r--llvm/include/llvm/CodeGen/SelectionDAGNodes.h7
-rw-r--r--llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp1
2 files changed, 7 insertions, 1 deletions
diff --git a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
index 9295702e389..06148070c81 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -350,13 +350,15 @@ private:
bool NoSignedZeros : 1;
bool AllowReciprocal : 1;
bool VectorReduction : 1;
+ bool AllowContract : 1;
public:
/// Default constructor turns off all optimization flags.
SDNodeFlags()
: NoUnsignedWrap(false), NoSignedWrap(false), Exact(false),
UnsafeAlgebra(false), NoNaNs(false), NoInfs(false),
- NoSignedZeros(false), AllowReciprocal(false), VectorReduction(false) {}
+ NoSignedZeros(false), AllowReciprocal(false), VectorReduction(false),
+ AllowContract(false) {}
// These are mutators for each flag.
void setNoUnsignedWrap(bool b) { NoUnsignedWrap = b; }
@@ -368,6 +370,7 @@ public:
void setNoSignedZeros(bool b) { NoSignedZeros = b; }
void setAllowReciprocal(bool b) { AllowReciprocal = b; }
void setVectorReduction(bool b) { VectorReduction = b; }
+ void setAllowContract(bool b) { AllowContract = b; }
// These are accessors for each flag.
bool hasNoUnsignedWrap() const { return NoUnsignedWrap; }
@@ -379,6 +382,7 @@ public:
bool hasNoSignedZeros() const { return NoSignedZeros; }
bool hasAllowReciprocal() const { return AllowReciprocal; }
bool hasVectorReduction() const { return VectorReduction; }
+ bool hasAllowContract() const { return AllowContract; }
/// Clear any flags in this flag set that aren't also set in Flags.
void intersectWith(const SDNodeFlags *Flags) {
@@ -390,6 +394,7 @@ public:
NoInfs &= Flags->NoInfs;
NoSignedZeros &= Flags->NoSignedZeros;
AllowReciprocal &= Flags->AllowReciprocal;
+ AllowContract &= Flags->AllowContract;
}
};
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 9a4d44842ea..8501f327d53 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2588,6 +2588,7 @@ void SelectionDAGBuilder::visitBinary(const User &I, unsigned OpCode) {
Flags.setVectorReduction(vec_redux);
if (EnableFMFInDAG) {
Flags.setAllowReciprocal(FMF.allowReciprocal());
+ Flags.setAllowContract(FMF.allowContract());
Flags.setNoInfs(FMF.noInfs());
Flags.setNoNaNs(FMF.noNaNs());
Flags.setNoSignedZeros(FMF.noSignedZeros());
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