Make this comment clearer. Instead of using an ambiguous ~ (not) on an icmp
predicate, swap the order of the operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54907 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index defad26..a517d94 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -5830,7 +5830,7 @@
ConstantInt::get(RHSV ^ SignBit));
}
- // (icmp u/s (xor A ~SignBit), C) -> (icmp ~s/u A, (xor C ~SignBit))
+ // (icmp u/s (xor A ~SignBit), C) -> (icmp s/u (xor C ~SignBit), A)
if (!ICI.isEquality() && (~XorCST->getValue()).isSignBit()) {
const APInt &NotSignBit = XorCST->getValue();
ICmpInst::Predicate Pred = ICI.isSignedPredicate()