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[flang][cuda] Carry over the CUDA attribute in target rewrite #136811

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Merged
merged 1 commit into from
Apr 23, 2025
Merged

[flang][cuda] Carry over the CUDA attribute in target rewrite #136811

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5 changes: 5 additions & 0 deletions flang/lib/Optimizer/CodeGen/TargetRewrite.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -531,6 +531,11 @@ class TargetRewrite : public fir::impl::TargetRewritePassBase<TargetRewrite> {
if (callOp.getClusterSizeZ())
newCall.getClusterSizeZMutable().assign(callOp.getClusterSizeZ());
newCallResults.append(newCall.result_begin(), newCall.result_end());
if (auto cudaProcAttr =
callOp->template getAttrOfType<cuf::ProcAttributeAttr>(
cuf::getProcAttrName())) {
newCall->setAttr(cuf::getProcAttrName(), cudaProcAttr);
}
} else if constexpr (std::is_same_v<std::decay_t<A>, fir::CallOp>) {
fir::CallOp newCall;
if (callOp.getCallee()) {
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4 changes: 2 additions & 2 deletions flang/test/Fir/CUDA/cuda-target-rewrite.mlir
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Expand Up @@ -45,7 +45,7 @@ gpu.module @testmod {
func.func @main(%arg0: complex<f64>) {
%0 = llvm.mlir.constant(0 : i64) : i64
%1 = llvm.mlir.constant(0 : i32) : i32
gpu.launch_func @testmod::@_QPtest blocks in (%0, %0, %0) threads in (%0, %0, %0) : i64 dynamic_shared_memory_size %1 args(%arg0 : complex<f64>)
gpu.launch_func @testmod::@_QPtest blocks in (%0, %0, %0) threads in (%0, %0, %0) : i64 dynamic_shared_memory_size %1 args(%arg0 : complex<f64>) {cuf.proc_attr = #cuf.cuda_proc<global>}
return
}

Expand All @@ -54,4 +54,4 @@ func.func @main(%arg0: complex<f64>) {
// CHECK-LABEL: gpu.func @_QPtest
// CHECK-SAME: (%arg0: f64, %arg1: f64) kernel {
// CHECK: gpu.return
// CHECK: gpu.launch_func @testmod::@_QPtest blocks in (%{{.*}}, %{{.*}}, %{{.*}}) threads in (%{{.*}}, %{{.*}}, %{{.*}}) : i64 dynamic_shared_memory_size %{{.*}} args(%{{.*}} : f64, %{{.*}} : f64)
// CHECK: gpu.launch_func @testmod::@_QPtest blocks in (%{{.*}}, %{{.*}}, %{{.*}}) threads in (%{{.*}}, %{{.*}}, %{{.*}}) : i64 dynamic_shared_memory_size %{{.*}} args(%{{.*}} : f64, %{{.*}} : f64) {cuf.proc_attr = #cuf.cuda_proc<global>}
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