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-rw-r--r--llvm/lib/Analysis/AssumptionCache.cpp13
1 files changed, 12 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/AssumptionCache.cpp b/llvm/lib/Analysis/AssumptionCache.cpp
index 11796ef..b439dc1 100644
--- a/llvm/lib/Analysis/AssumptionCache.cpp
+++ b/llvm/lib/Analysis/AssumptionCache.cpp
@@ -87,7 +87,7 @@ findAffectedValues(CallBase *CI, TargetTransformInfo *TTI,
AddAffected(Cond);
CmpInst::Predicate Pred;
- if (match(Cond, m_ICmp(Pred, m_Value(A), m_Value(B)))) {
+ if (match(Cond, m_Cmp(Pred, m_Value(A), m_Value(B)))) {
AddAffected(A);
AddAffected(B);
@@ -128,7 +128,18 @@ findAffectedValues(CallBase *CI, TargetTransformInfo *TTI,
if (match(A, m_Add(m_Value(X), m_ConstantInt())) &&
match(B, m_ConstantInt()))
AddAffected(X);
+ } else if (CmpInst::isFPPredicate(Pred)) {
+ // fcmp fneg(x), y
+ // fcmp fabs(x), y
+ // fcmp fneg(fabs(x)), y
+ if (match(A, m_FNeg(m_Value(A))))
+ AddAffected(A);
+ if (match(A, m_FAbs(m_Value(A))))
+ AddAffected(A);
}
+ } else if (match(Cond, m_Intrinsic<Intrinsic::is_fpclass>(m_Value(A),
+ m_Value(B)))) {
+ AddAffected(A);
}
if (TTI) {