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

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 23 06:02:07 PDT 2024


================
@@ -2975,6 +2975,8 @@ class TargetLoweringBase {
     return isTruncateFree(Val.getValueType(), VT2);
   }
 
+  virtual bool shouldReduceRegisterPressure() const { return false; }
----------------
arsenm wrote:

The API is still bad and single use. This is essentially the same thing as aggressivelyPreferBuildVectorSources, and isNarrowingProfitable 

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


More information about the llvm-commits mailing list