[llvm] [SLP][NFC] Replace std::initializer_list SupportedOp with a C array (PR #203707)

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llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-transforms

Author: Alexey Bataev (alexey-bataev)

<details>
<summary>Changes</summary>

Fixes a static_assert constant-expression build failure on older clang
(temporary initializer_list backing array).
Fixes #<!-- -->203184


---
Full diff: https://github.com/llvm/llvm-project/pull/203707.diff


1 Files Affected:

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


``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 3d5b0ebb99f4a..5e58d0eb0fa26 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -1031,7 +1031,7 @@ namespace {
 class BinOpSameOpcodeHelper {
   using MaskType = std::uint_fast32_t;
   /// Sort SupportedOp because it is used by binary_search.
-  constexpr static std::initializer_list<unsigned> SupportedOp = {
+  constexpr static unsigned SupportedOp[] = {
       Instruction::Add,  Instruction::Sub, Instruction::Mul, Instruction::Shl,
       Instruction::AShr, Instruction::And, Instruction::Or,  Instruction::Xor};
   static_assert(llvm::is_sorted_constexpr(SupportedOp) &&

``````````

</details>


https://github.com/llvm/llvm-project/pull/203707