[Mlir-commits] [mlir] [MLIR][NVVM] Remove constexpr qualifier from getNVVMCtaGroupKind (PR #168552)

[Pradeep Kumar]

https://github.com/schwarzschild-radius created https://github.com/llvm/llvm-project/pull/168552

This commit removes constexpr qualifier from getNVVMCtaGroupKind function as llvm_unreachable cannot be used in a constexpr context. The build failures came up during post-merge CI

>From 86f4b94764c1a7066870519b316bc58f7d85811b Mon Sep 17 00:00:00 2001
From: pradeepku <pradeepku at nvidia.com>
Date: Tue, 18 Nov 2025 17:40:39 +0530
Subject: [PATCH] [MLIR][NVVM] Remove constexpr qualifier from
 getNVVMCtaGroupKind

This commit removes constexpr qualifier from getNVVMCtaGroupKind function as llvm_unreachable cannot be used in a constexpr context. The build failures came up during post-merge CI
---
 mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp b/mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp
index 369305b40c689..0e620737109b8 100644
--- a/mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp
+++ b/mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp
@@ -62,7 +62,7 @@ static bool isPtrInSharedCTASpace(mlir::Value ptr) {
 }
 
 // Helper method to convert CtaGroupKind in NVVM Dialect to CtaGroupKind in LLVM
-static constexpr llvm::nvvm::CTAGroupKind
+static llvm::nvvm::CTAGroupKind
 getNVVMCtaGroupKind(NVVM::CTAGroupKind ctaGroup) {
   switch (ctaGroup) {
   case NVVM::CTAGroupKind::CTA_1: