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-rw-r--r--lib/Analysis/InstructionSimplify.cpp16
1 files changed, 14 insertions, 2 deletions
diff --git a/lib/Analysis/InstructionSimplify.cpp b/lib/Analysis/InstructionSimplify.cpp
index b3d62487fc..c24c18f807 100644
--- a/lib/Analysis/InstructionSimplify.cpp
+++ b/lib/Analysis/InstructionSimplify.cpp
@@ -2065,8 +2065,20 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
if (A && C && (A == C || A == D || B == C || B == D) &&
NoLHSWrapProblem && NoRHSWrapProblem) {
// Determine Y and Z in the form icmp (X+Y), (X+Z).
- Value *Y = (A == C || A == D) ? B : A;
- Value *Z = (C == A || C == B) ? D : C;
+ Value *Y, *Z;
+ if (A == C) {
+ Y = B;
+ Z = D;
+ } else if (A == D) {
+ Y = B;
+ Z = C;
+ } else if (B == C) {
+ Y = A;
+ Z = D;
+ } else if (B == D) {
+ Y = A;
+ Z = C;
+ }
if (Value *V = SimplifyICmpInst(Pred, Y, Z, Q, MaxRecurse-1))
return V;
}