[llvm] [VPlan] Improve code using VPlan::getFalse (NFC) (PR #161681)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Ramkumar Ramachandra (artagnon)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/161681.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp (+1-2) 


``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index acdb37996a443..030d29f14dd36 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -1110,8 +1110,7 @@ static void simplifyRecipe(VPRecipeBase &R, VPTypeAnalysis &TypeInfo) {
 
   // x && !x -> 0
   if (match(&R, m_LogicalAnd(m_VPValue(X), m_Not(m_Deferred(X)))))
-    return Def->replaceAllUsesWith(Plan->getOrAddLiveIn(
-        ConstantInt::getFalse(VPTypeAnalysis(*Plan).inferScalarType(Def))));
+    return Def->replaceAllUsesWith(Plan->getFalse());
 
   if (match(Def, m_Select(m_VPValue(), m_VPValue(X), m_Deferred(X))))
     return Def->replaceAllUsesWith(X);

``````````

</details>


https://github.com/llvm/llvm-project/pull/161681