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[mlir][EmitC] Fix call ops with zero arguments in func to emitc conversion #94936

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Merged
simon-camp merged 2 commits into from
Jun 10, 2024
Merged

[mlir][EmitC] Fix call ops with zero arguments in func to emitc conversion #94936

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[mlir][EmitC] func-to-emitc: Fix conversion for call ops with zero ar…
Jun 10, 2024
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Jun 10, 2024
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2 changes: 1 addition & 1 deletion mlir/lib/Conversion/FuncToEmitC/FuncToEmitC.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ class CallOpConversion final : public OpConversionPattern<func::CallOp> {

rewriter.replaceOpWithNewOp<emitc::CallOp>(
callOp,
callOp.getNumResults() ? callOp.getResult(0).getType() : nullptr,
callOp.getNumResults() ? callOp.getResult(0).getType() : TypeRange{},
adaptor.getOperands(), callOp->getAttrs());

return success();
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16 changes: 16 additions & 0 deletions mlir/test/Conversion/FuncToEmitC/func-to-emitc.mlir
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Expand Up @@ -58,3 +58,19 @@ func.func @call(%arg0: i32) -> i32 {

// CHECK-LABEL: emitc.func private @return_i32(i32) -> i32 attributes {specifiers = ["extern"]}
func.func private @return_i32(%arg0: i32) -> i32

// -----

// CHECK-LABEL: emitc.func private @return_void() attributes {specifiers = ["static"]}
// CHECK-NEXT: emitc.return
func.func private @return_void() {
return
}

// CHECK-LABEL: emitc.func @call()
// CHECK-NEXT: emitc.call @return_void() : () -> ()
// CHECK-NEXT: emitc.return
func.func @call() {
call @return_void() : () -> ()
return
}