[Mlir-commits] [mlir] [mlir][llvm] Add operations for coroutine intrinsics (PR #214099)

[Tobias Gysi]

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@@ -842,6 +842,16 @@ llvm.func @coro_begin(%arg0: !llvm.ptr) {
   llvm.return
 }
 
+// CHECK-LABEL: @coro_alloc
+llvm.func @coro_alloc() {
+  %zero = llvm.mlir.constant(0 : i32) : i32
+  %null = llvm.mlir.zero : !llvm.ptr
+  %token = llvm.intr.coro.id %zero, %null, %null, %null : (i32, !llvm.ptr, !llvm.ptr, !llvm.ptr) -> token
+  // CHECK: call i1 @llvm.coro.alloc
+  %0 = llvm.intr.coro.alloc %token : (token) -> i1
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gysit wrote:

nit: can you match the token argument and where it is coming from.

https://github.com/llvm/llvm-project/pull/214099