1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index 80f03d3..0a50718 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -5992,6 +5992,16 @@ SelectPatternFlavor llvm::getInverseMinMaxFlavor(SelectPatternFlavor SPF) {
   llvm_unreachable("unhandled!");
 }
 
+Intrinsic::ID llvm::getInverseMinMaxIntrinsic(Intrinsic::ID MinMaxID) {
+  switch (MinMaxID) {
+  case Intrinsic::smax: return Intrinsic::smin;
+  case Intrinsic::smin: return Intrinsic::smax;
+  case Intrinsic::umax: return Intrinsic::umin;
+  case Intrinsic::umin: return Intrinsic::umax;
+  default: llvm_unreachable("Unexpected intrinsic");
+  }
+}
+
 CmpInst::Predicate llvm::getInverseMinMaxPred(SelectPatternFlavor SPF) {
   return getMinMaxPred(getInverseMinMaxFlavor(SPF));
 }