[llvm] f290379 - [SLP][NFC] Use static_assert to confirm SupportedOps is sorted (#181397)

[via llvm-commits]

Author: Ryan Buchner
Date: 2026-02-13T11:30:59-08:00
New Revision: f2903793debde9f41b9083df225c17491a0396c4

URL: https://github.com/llvm/llvm-project/commit/f2903793debde9f41b9083df225c17491a0396c4
DIFF: https://github.com/llvm/llvm-project/commit/f2903793debde9f41b9083df225c17491a0396c4.diff

LOG: [SLP][NFC] Use static_assert to confirm SupportedOps is sorted (#181397)

Can be checked at compile time.

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 4197c8f64d8eb..a74205c385e9b 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -954,6 +954,8 @@ class BinOpSameOpcodeHelper {
   constexpr static std::initializer_list<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) &&
+                "SupportedOp is not sorted.");
   enum : MaskType {
     ShlBIT = 0b1,
     AShrBIT = 0b10,
@@ -1158,9 +1160,7 @@ class BinOpSameOpcodeHelper {
 public:
   BinOpSameOpcodeHelper(const Instruction *MainOp,
                         const Instruction *AltOp = nullptr)
-      : MainOp(MainOp), AltOp(AltOp) {
-    assert(is_sorted(SupportedOp) && "SupportedOp is not sorted.");
-  }
+      : MainOp(MainOp), AltOp(AltOp) {}
   bool add(const Instruction *I) {
     assert(isa<BinaryOperator>(I) &&
            "BinOpSameOpcodeHelper only accepts BinaryOperator.");