[llvm] [LV][NFC] Improve readability with `bool` instead of `auto` (PR #111532)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Piotr Fusik (pfusik)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/111532.diff


1 Files Affected:

- (modified) llvm/lib/Transforms/Vectorize/LoopVectorize.cpp (+5-5) 


``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 001c8987667df8..dc0a9fc68cdc4b 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -3204,7 +3204,7 @@ void LoopVectorizationCostModel::collectLoopScalars(ElementCount VF) {
 
     // Determine if all users of the induction variable are scalar after
     // vectorization.
-    auto ScalarInd = llvm::all_of(Ind->users(), [&](User *U) -> bool {
+    bool ScalarInd = llvm::all_of(Ind->users(), [&](User *U) -> bool {
       auto *I = cast<Instruction>(U);
       return I == IndUpdate || !TheLoop->contains(I) || Worklist.count(I) ||
              IsDirectLoadStoreFromPtrIndvar(Ind, I);
@@ -3221,7 +3221,7 @@ void LoopVectorizationCostModel::collectLoopScalars(ElementCount VF) {
 
     // Determine if all users of the induction variable update instruction are
     // scalar after vectorization.
-    auto ScalarIndUpdate =
+    bool ScalarIndUpdate =
         llvm::all_of(IndUpdate->users(), [&](User *U) -> bool {
           auto *I = cast<Instruction>(U);
           return I == Ind || !TheLoop->contains(I) || Worklist.count(I) ||
@@ -3649,7 +3649,7 @@ void LoopVectorizationCostModel::collectLoopUniforms(ElementCount VF) {
     if (IsOutOfScope(V))
       continue;
     auto *I = cast<Instruction>(V);
-    auto UsersAreMemAccesses =
+    bool UsersAreMemAccesses =
       llvm::all_of(I->users(), [&](User *U) -> bool {
         auto *UI = cast<Instruction>(U);
         return TheLoop->contains(UI) && IsVectorizedMemAccessUse(UI, V);
@@ -3698,7 +3698,7 @@ void LoopVectorizationCostModel::collectLoopUniforms(ElementCount VF) {
 
     // Determine if all users of the induction variable are uniform after
     // vectorization.
-    auto UniformInd = llvm::all_of(Ind->users(), [&](User *U) -> bool {
+    bool UniformInd = llvm::all_of(Ind->users(), [&](User *U) -> bool {
       auto *I = cast<Instruction>(U);
       return I == IndUpdate || !TheLoop->contains(I) || Worklist.count(I) ||
              IsVectorizedMemAccessUse(I, Ind);
@@ -3708,7 +3708,7 @@ void LoopVectorizationCostModel::collectLoopUniforms(ElementCount VF) {
 
     // Determine if all users of the induction variable update instruction are
     // uniform after vectorization.
-    auto UniformIndUpdate =
+    bool UniformIndUpdate =
         llvm::all_of(IndUpdate->users(), [&](User *U) -> bool {
           auto *I = cast<Instruction>(U);
           return I == Ind || !TheLoop->contains(I) || Worklist.count(I) ||

``````````

</details>


https://github.com/llvm/llvm-project/pull/111532