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[CIR] Implement CXX new for ComplexType with init #159973

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Merged
AmrDeveloper merged 1 commit into from
Sep 23, 2025
Merged

[CIR] Implement CXX new for ComplexType with init #159973

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4 changes: 2 additions & 2 deletions clang/lib/CIR/CodeGen/CIRGenExprCXX.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -238,8 +238,8 @@ static void storeAnyExprIntoOneUnit(CIRGenFunction &cgf, const Expr *init,
cgf.makeAddrLValue(newPtr, allocType), false);
return;
case cir::TEK_Complex:
cgf.cgm.errorNYI(init->getSourceRange(),
"storeAnyExprIntoOneUnit: complex");
cgf.emitComplexExprIntoLValue(init, cgf.makeAddrLValue(newPtr, allocType),
/*isInit*/ true);
return;
case cir::TEK_Aggregate: {
assert(!cir::MissingFeatures::aggValueSlotGC());
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28 changes: 28 additions & 0 deletions clang/test/CIR/CodeGen/new.cpp
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Expand Up @@ -152,3 +152,31 @@ void test_new_with_ctor() {
// OGCG: call{{.*}} void @_ZN2S2C1Eii(ptr {{.*}} %[[NEW_S2_2]], i32 noundef 1, i32 noundef 2)
// OGCG: store ptr %[[NEW_S2_2]], ptr %[[PS2_2_ADDR]], align 8
// OGCG: ret void

void test_new_with_complex_type() {
_Complex float *a = new _Complex float{1.0f, 2.0f};
}

// CHECK: cir.func{{.*}} @_Z26test_new_with_complex_typev
// CHECK: %0 = cir.alloca !cir.ptr<!cir.complex<!cir.float>>, !cir.ptr<!cir.ptr<!cir.complex<!cir.float>>>, ["a", init]
// CHECK: %1 = cir.const #cir.int<8> : !u64i
// CHECK: %2 = cir.call @_Znwm(%1) : (!u64i) -> !cir.ptr<!void>
// CHECK: %3 = cir.cast(bitcast, %2 : !cir.ptr<!void>), !cir.ptr<!cir.complex<!cir.float>>
// CHECK: %4 = cir.const #cir.const_complex<#cir.fp<1.000000e+00> : !cir.float, #cir.fp<2.000000e+00> : !cir.float> : !cir.complex<!cir.float>
// CHECK: cir.store align(8) %4, %3 : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>
// CHECK: cir.store align(8) %3, %0 : !cir.ptr<!cir.complex<!cir.float>>, !cir.ptr<!cir.ptr<!cir.complex<!cir.float>>>

// LLVM: define{{.*}} void @_Z26test_new_with_complex_typev
// LLVM: %[[A_ADDR:.*]] = alloca ptr, i64 1, align 8
// LLVM: %[[NEW_COMPLEX:.*]] = call ptr @_Znwm(i64 8)
// LLVM: store { float, float } { float 1.000000e+00, float 2.000000e+00 }, ptr %[[NEW_COMPLEX]], align 8
// LLVM: store ptr %[[NEW_COMPLEX]], ptr %[[A_ADDR]], align 8

// OGCG: define{{.*}} void @_Z26test_new_with_complex_typev
// OGCG: %[[A_ADDR:.*]] = alloca ptr, align 8
// OGCG: %[[NEW_COMPLEX:.*]] = call noalias noundef nonnull ptr @_Znwm(i64 noundef 8)
// OGCG: %[[COMPLEX_REAL_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[NEW_COMPLEX]], i32 0, i32 0
// OGCG: %[[COMPLEX_IMAG_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[NEW_COMPLEX]], i32 0, i32 1
// OGCG: store float 1.000000e+00, ptr %[[COMPLEX_REAL_PTR]], align 8
// OGCG: store float 2.000000e+00, ptr %[[COMPLEX_IMAG_PTR]], align 4
// OGCG: store ptr %[[NEW_COMPLEX]], ptr %[[A_ADDR]], align 8
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