[llvm] [DAGCombine] Propagate truncate to operands (PR #98666)

[Matt Arsenault via llvm-commits]

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@@ -496,12 +496,20 @@ class NVPTXTargetLowering : public TargetLowering {
 
   bool isTruncateFree(Type *SrcTy, Type *DstTy) const override {
     // Truncating 64-bit to 32-bit is free in SASS.
-    if (!SrcTy->isIntegerTy() || !DstTy->isIntegerTy())
+    if (!(SrcTy->isIntegerTy() && DstTy->isIntegerTy()))
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arsenm wrote:

demorgan this condition (i.e. just remove this change altogether) 

https://github.com/llvm/llvm-project/pull/98666