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[CIR] Upstream LValue Unary Inc & Dec for ComplexType #160201

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Merged
AmrDeveloper merged 3 commits into from
Sep 23, 2025
Merged

[CIR] Upstream LValue Unary Inc & Dec for ComplexType #160201

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9523916
[CIR] Upstream LValue Unary Inc & Dec for ComplexType
AmrDeveloper Sep 22, 2025
d863671
Update test functions names
AmrDeveloper Sep 23, 2025
0fe81d5
Address code review comment
AmrDeveloper Sep 23, 2025
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3 changes: 1 addition & 2 deletions clang/lib/CIR/CodeGen/CIRGenExpr.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -913,8 +913,7 @@ LValue CIRGenFunction::emitUnaryOpLValue(const UnaryOperator *e) {
assert(e->isPrefix() && "Prefix operator in unexpected state!");

if (e->getType()->isAnyComplexType()) {
cgm.errorNYI(e->getSourceRange(), "UnaryOp complex inc/dec");
lv = LValue();
emitComplexPrePostIncDec(e, lv, kind, /*isPre=*/true);
} else {
emitScalarPrePostIncDec(e, lv, kind, /*isPre=*/true);
}
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77 changes: 77 additions & 0 deletions clang/test/CIR/CodeGen/complex-unary.cpp
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Expand Up @@ -505,3 +505,80 @@ void foo10() {
// OGCG: %[[B_IMAG_PTR:.*]] = getelementptr inbounds nuw { half, half }, ptr %[[B_ADDR]], i32 0, i32 1
// OGCG: store half %[[RESULT_REAL]], ptr %[[B_REAL_PTR]], align 2
// OGCG: store half %[[RESULT_IMAG]], ptr %[[B_IMAG_PTR]], align 2

void complex_unary_inc_lvalue() {
float _Complex a;
++a;
}


// CIR-BEFORE: %[[A_ADDR]] = cir.alloca !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>, ["a"]
// CIR-BEFORE: %[[TMP_A:.*]] = cir.load{{.*}} %[[A_ADDR]] : !cir.ptr<!cir.complex<!cir.float>>, !cir.complex<!cir.float>
// CIR-BEFORE: %[[RESULT:.*]] = cir.unary(inc, %[[TMP_A]]) : !cir.complex<!cir.float>, !cir.complex<!cir.float>
// CIR-BEFORE: cir.store{{.*}} %[[RESULT]], %[[A_ADDR]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>

// CIR-AFTER: %[[A_ADDR:.*]] = cir.alloca !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>, ["a"]
// CIR-AFTER: %[[TMP_A:.*]] = cir.load{{.*}} %[[A_ADDR]] : !cir.ptr<!cir.complex<!cir.float>>, !cir.complex<!cir.float>
// CIR-AFTER: %[[A_REAL:.*]] = cir.complex.real %[[TMP_A]] : !cir.complex<!cir.float> -> !cir.float
// CIR-AFTER: %[[A_IMAG:.*]] = cir.complex.imag %[[TMP_A]] : !cir.complex<!cir.float> -> !cir.float
// CIR-AFTER: %[[RESULT_REAL:.*]] = cir.unary(inc, %2) : !cir.float, !cir.float
// CIR-AFTER: %[[RESULT:.*]] = cir.complex.create %[[RESULT_REAL]], %[[A_IMAG]] : !cir.float -> !cir.complex<!cir.float>
// CIR-AFTER: cir.store{{.*}} %[[RESULT]], %[[A_ADDR]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>

// LLVM: %[[A_ADDR:.*]] = alloca { float, float }, i64 1, align 4
// LLVM: %[[TMP_A:.*]] = load { float, float }, ptr %[[A_ADDR]], align 4
// LLVM: %[[A_REAL:.*]] = extractvalue { float, float } %[[TMP_A]], 0
// LLVM: %[[A_IMAG:.*]] = extractvalue { float, float } %[[TMP_A]], 1
// LLVM: %[[RESULT_REAL:.*]] = fadd float 1.000000e+00, %[[A_REAL]]
// LLVM: %[[TMP_RESULT:.*]] = insertvalue { float, float } {{.*}}, float %[[RESULT_REAL]], 0
// LLVM: %[[RESULT:.*]] = insertvalue { float, float } %[[TMP_RESULT]], float %[[A_IMAG]], 1
// LLVM: store { float, float } %[[RESULT]], ptr %[[A_ADDR]], align 4

// OGCG: %[[A_ADDR:.*]] = alloca { float, float }, align 4
// OGCG: %[[A_REAL_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[A_ADDR]], i32 0, i32 0
// OGCG: %[[A_REAL:.*]] = load float, ptr %[[A_REAL_PTR]], align 4
// OGCG: %[[A_IMAG_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[A_ADDR]], i32 0, i32 1
// OGCG: %[[A_IMAG:.*]] = load float, ptr %[[A_IMAG_PTR]], align 4
// OGCG: %[[RESULT_REAL:.*]] = fadd float %[[A_REAL]], 1.000000e+00
// OGCG: %[[A_REAL_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[A_ADDR]], i32 0, i32 0
// OGCG: %[[A_IMAG_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[A_ADDR]], i32 0, i32 1
// OGCG: store float %[[RESULT_REAL]], ptr %[[A_REAL_PTR]], align 4
// OGCG: store float %[[A_IMAG]], ptr %[[A_IMAG_PTR]], align 4

void complex_unary_dec_lvalue() {
float _Complex a;
--a;
}

// CIR-BEFORE: %[[A_ADDR]] = cir.alloca !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>, ["a"]
// CIR-BEFORE: %[[TMP_A:.*]] = cir.load{{.*}} %[[A_ADDR]] : !cir.ptr<!cir.complex<!cir.float>>, !cir.complex<!cir.float>
// CIR-BEFORE: %[[RESULT:.*]] = cir.unary(dec, %[[TMP_A]]) : !cir.complex<!cir.float>, !cir.complex<!cir.float>
// CIR-BEFORE: cir.store{{.*}} %[[RESULT]], %[[A_ADDR]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>

// CIR-AFTER: %[[A_ADDR:.*]] = cir.alloca !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>, ["a"]
// CIR-AFTER: %[[TMP_A:.*]] = cir.load{{.*}} %[[A_ADDR]] : !cir.ptr<!cir.complex<!cir.float>>, !cir.complex<!cir.float>
// CIR-AFTER: %[[A_REAL:.*]] = cir.complex.real %[[TMP_A]] : !cir.complex<!cir.float> -> !cir.float
// CIR-AFTER: %[[A_IMAG:.*]] = cir.complex.imag %[[TMP_A]] : !cir.complex<!cir.float> -> !cir.float
// CIR-AFTER: %[[RESULT_REAL:.*]] = cir.unary(dec, %2) : !cir.float, !cir.float
// CIR-AFTER: %[[RESULT:.*]] = cir.complex.create %[[RESULT_REAL]], %[[A_IMAG]] : !cir.float -> !cir.complex<!cir.float>
// CIR-AFTER: cir.store{{.*}} %[[RESULT]], %[[A_ADDR]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>

// LLVM: %[[A_ADDR:.*]] = alloca { float, float }, i64 1, align 4
// LLVM: %[[TMP_A:.*]] = load { float, float }, ptr %[[A_ADDR]], align 4
// LLVM: %[[A_REAL:.*]] = extractvalue { float, float } %[[TMP_A]], 0
// LLVM: %[[A_IMAG:.*]] = extractvalue { float, float } %[[TMP_A]], 1
// LLVM: %[[RESULT_REAL:.*]] = fadd float -1.000000e+00, %[[A_REAL]]
// LLVM: %[[TMP_RESULT:.*]] = insertvalue { float, float } {{.*}}, float %[[RESULT_REAL]], 0
// LLVM: %[[RESULT:.*]] = insertvalue { float, float } %[[TMP_RESULT]], float %[[A_IMAG]], 1
// LLVM: store { float, float } %[[RESULT]], ptr %[[A_ADDR]], align 4

// OGCG: %[[A_ADDR:.*]] = alloca { float, float }, align 4
// OGCG: %[[A_REAL_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[A_ADDR]], i32 0, i32 0
// OGCG: %[[A_REAL:.*]] = load float, ptr %[[A_REAL_PTR]], align 4
// OGCG: %[[A_IMAG_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[A_ADDR]], i32 0, i32 1
// OGCG: %[[A_IMAG:.*]] = load float, ptr %[[A_IMAG_PTR]], align 4
// OGCG: %[[RESULT_REAL:.*]] = fadd float %[[A_REAL]], -1.000000e+00
// OGCG: %[[A_REAL_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[A_ADDR]], i32 0, i32 0
// OGCG: %[[A_IMAG_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[A_ADDR]], i32 0, i32 1
// OGCG: store float %[[RESULT_REAL]], ptr %[[A_REAL_PTR]], align 4
// OGCG: store float %[[A_IMAG]], ptr %[[A_IMAG_PTR]], align 4