[Mlir-commits] [mlir] [mlir][EmitC]Expand the MemRefToEmitC pass - Lowering `AllocOp` (PR #148257)
Gil Rapaport
llvmlistbot at llvm.org
Tue Jul 22 08:02:57 PDT 2025
================
@@ -30,6 +30,16 @@ struct ConvertMemRefToEmitCPass
: public impl::ConvertMemRefToEmitCBase<ConvertMemRefToEmitCPass> {
void runOnOperation() override {
TypeConverter converter;
+ mlir::ModuleOp module = getOperation();
+ module.walk([&](mlir::Operation *op) {
+ if (llvm::isa<mlir::memref::AllocOp, mlir::memref::CopyOp>(op)) {
+ OpBuilder builder(module.getBody(), module.getBody()->begin());
+ builder.create<emitc::IncludeOp>(module.getLoc(),
+ builder.getStringAttr("stdlib.h"));
+ return mlir::WalkResult::interrupt();
+ }
+ return mlir::WalkResult::advance();
+ });
----------------
aniragil wrote:
Better to do after pattern application and look for `opaque_call` calls to `malloc`, thus avoiding changing the module if some `memref.alloc` cannot be lowered and clearly relating the included header to the specific library call.
https://github.com/llvm/llvm-project/pull/148257
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