Remove the 'region' field from OpBuilder.

This field wasn't updated as the insertion point changed, making it potentially dangerous given the multi-level of MLIR(e.g. 'createBlock' would always insert the new block in 'region'). This also allows for building an OpBuilder with just a context.

PiperOrigin-RevId: 257829135

1 files changed, 1 insertions, 1 deletions

diff --git a/mlir/lib/Conversion/GPUToCUDA/GenerateCubinAccessors.cpp b/mlir/lib/Conversion/GPUToCUDA/GenerateCubinAccessors.cpp
index fc3b00512ff..cc0466cf3b1 100644
--- a/mlir/lib/Conversion/GPUToCUDA/GenerateCubinAccessors.cpp
+++ b/mlir/lib/Conversion/GPUToCUDA/GenerateCubinAccessors.cpp
@@ -87,7 +87,7 @@ private:
                                 LLVM::LLVMType::getInt8PtrTy(llvmDialect)));
     // Insert a body block that just returns the constant.
     OpBuilder ob(result.getBody());
-    ob.createBlock();
+    ob.createBlock(&result.getBody());
     auto sizeConstant = ob.create<LLVM::ConstantOp>(
         loc, getIndexType(),
         builder.getIntegerAttr(builder.getIndexType(), blob.getValue().size()));