[llvm] 70bf139 - [Legalizer] Check full condition for UMIN and UMAX just like the code below does for SMIN and SMAX (#87932)

[via llvm-commits]

Author: AtariDreams
Date: 2024-05-26T15:07:31-04:00
New Revision: 70bf1396517be14a92bc69dcb0bf44179c937d93

URL: https://github.com/llvm/llvm-project/commit/70bf1396517be14a92bc69dcb0bf44179c937d93
DIFF: https://github.com/llvm/llvm-project/commit/70bf1396517be14a92bc69dcb0bf44179c937d93.diff

LOG: [Legalizer] Check full condition for UMIN and UMAX just like the code below does for SMIN and SMAX (#87932)

Added: 
    

Modified: 
    llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index d8b0f52ecf9e3..c04f7208c61f2 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -3972,7 +3972,7 @@ LegalizerHelper::lower(MachineInstr &MI, unsigned TypeIdx, LLT LowerHintTy) {
     // target can override this with custom lowering and calling the
     // implementation functions.
     LLT Ty = MRI.getType(MI.getOperand(0).getReg());
-    if (LI.isLegalOrCustom({G_UMIN, Ty}))
+    if (LI.isLegalOrCustom({G_UMIN, Ty}) && LI.isLegalOrCustom({G_UMAX, Ty}))
       return lowerAddSubSatToMinMax(MI);
     return lowerAddSubSatToAddoSubo(MI);
   }