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[CIR][CodeGen] Support return in TryOp #1398

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Merged
merged 1 commit into from
Feb 24, 2025
Merged

[CIR][CodeGen] Support return in TryOp #1398

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3 changes: 2 additions & 1 deletion clang/include/clang/CIR/Dialect/IR/CIROps.td
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Original file line number Diff line number Diff line change
Expand Up @@ -684,7 +684,8 @@ def StoreOp : CIR_Op<"store", [

def ReturnOp : CIR_Op<"return", [ParentOneOf<["FuncOp", "ScopeOp", "IfOp",
"SwitchOp", "DoWhileOp",
"WhileOp", "ForOp", "CaseOp"]>,
"WhileOp", "ForOp", "CaseOp",
"TryOp"]>,
Terminator]> {
let summary = "Return from function";
let description = [{
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21 changes: 21 additions & 0 deletions clang/test/CIR/CodeGen/try-catch.cpp
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Expand Up @@ -128,3 +128,24 @@ void tc5() {
// CHECK: cir.call exception @_Z3tc5v() : () -> ()
// CHECK: cir.yield
// CHECK: }]

// CHECK: cir.func @_Z3tc6v()
void tc6() {
int r = 1;
try {
return;
++r;
} catch (...) {
}
}

// CHECK: cir.scope {
// CHECK: cir.try {
// CHECK: cir.return
// CHECK: ^bb1: // no predecessors
// CHECK: %[[V2:.*]] = cir.load {{.*}} : !cir.ptr<!s32i>, !s32i
// CHECK: %[[V3:.*]] = cir.unary(inc, %[[V2]]) : !s32i, !s32i
// CHECK: cir.store %[[V3]], {{.*}} : !s32i, !cir.ptr<!s32i>
// CHECK: cir.yield
// CHECK: }
// CHECK: }
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