[clang-tools-extra] [MLIR] Update convert-gpu-to-spirv pass to prepare using GPU compilat… (PR #69941)

[Sang Ik Lee via cfe-commits]

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@@ -54,22 +55,67 @@ void GPUToSPIRVPass::runOnOperation() {
 
   SmallVector<Operation *, 1> gpuModules;
   OpBuilder builder(context);
+
+  auto getTargetEnvFromGPUModuleOp = [*this](gpu::GPUModuleOp moduleOp) {
+    Operation *gpuModule = moduleOp.getOperation();
+    auto targetAttr = spirv::lookupTargetEnvOrDefault(gpuModule);
+    std::unique_ptr<ConversionTarget> target =
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silee2 wrote:

Removed usage of target.

https://github.com/llvm/llvm-project/pull/69941