Author: Amr Hesham Date: 2025-07-17T18:00:32+02:00 New Revision: 84d65e9d19ab577027238d38d053e293ba656e32
URL: https://github.com/llvm/llvm-project/commit/84d65e9d19ab577027238d38d053e293ba656e32 DIFF: https://github.com/llvm/llvm-project/commit/84d65e9d19ab577027238d38d053e293ba656e32.diff LOG: [CIR] Upstream builtin_conj for ComplexType (#149170) This change adds support for builtin_conj for ComplexType https://github.com/llvm/llvm-project/issues/141365 Added: Modified: clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp clang/lib/CIR/CodeGen/CIRGenExprComplex.cpp clang/lib/CIR/CodeGen/CIRGenValue.h clang/test/CIR/CodeGen/complex-builtins.cpp Removed: ################################################################################ diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp b/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp index 476f994959285..61d1c54ee9ec9 100644 --- a/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp +++ b/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp @@ -125,7 +125,7 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl &gd, unsigned builtinID, mlir::Value real = emitScalarExpr(e->getArg(0)); mlir::Value imag = emitScalarExpr(e->getArg(1)); mlir::Value complex = builder.createComplexCreate(loc, real, imag); - return RValue::get(complex); + return RValue::getComplex(complex); } case Builtin::BI__builtin_creal: @@ -150,6 +150,18 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl &gd, unsigned builtinID, return RValue::get(imag); } + case Builtin::BI__builtin_conj: + case Builtin::BI__builtin_conjf: + case Builtin::BI__builtin_conjl: + case Builtin::BIconj: + case Builtin::BIconjf: + case Builtin::BIconjl: { + mlir::Value complex = emitComplexExpr(e->getArg(0)); + mlir::Value conj = builder.createUnaryOp(getLoc(e->getExprLoc()), + cir::UnaryOpKind::Not, complex); + return RValue::getComplex(conj); + } + case Builtin::BI__builtin_clrsb: case Builtin::BI__builtin_clrsbl: case Builtin::BI__builtin_clrsbll: diff --git a/clang/lib/CIR/CodeGen/CIRGenExprComplex.cpp b/clang/lib/CIR/CodeGen/CIRGenExprComplex.cpp index 6663f5ea1e758..9f36be5397ad8 100644 --- a/clang/lib/CIR/CodeGen/CIRGenExprComplex.cpp +++ b/clang/lib/CIR/CodeGen/CIRGenExprComplex.cpp @@ -231,8 +231,7 @@ mlir::Value ComplexExprEmitter::VisitBinComma(const BinaryOperator *e) { mlir::Value ComplexExprEmitter::VisitCallExpr(const CallExpr *e) { if (e->getCallReturnType(cgf.getContext())->isReferenceType()) return emitLoadOfLValue(e); - - return cgf.emitCallExpr(e).getValue(); + return cgf.emitCallExpr(e).getComplexValue(); } mlir::Value ComplexExprEmitter::VisitCastExpr(CastExpr *e) { diff --git a/clang/lib/CIR/CodeGen/CIRGenValue.h b/clang/lib/CIR/CodeGen/CIRGenValue.h index 0a6dba5e80a62..0832c4141a10f 100644 --- a/clang/lib/CIR/CodeGen/CIRGenValue.h +++ b/clang/lib/CIR/CodeGen/CIRGenValue.h @@ -58,6 +58,12 @@ class RValue { return value; } + /// Return the value of this complex value. + mlir::Value getComplexValue() const { + assert(isComplex() && "Not a complex!"); + return value; + } + /// Return the value of the address of the aggregate. Address getAggregateAddress() const { assert(isAggregate() && "Not an aggregate!"); diff --git a/clang/test/CIR/CodeGen/complex-builtins.cpp b/clang/test/CIR/CodeGen/complex-builtins.cpp index f0d12d0ef6663..811af47a704f5 100644 --- a/clang/test/CIR/CodeGen/complex-builtins.cpp +++ b/clang/test/CIR/CodeGen/complex-builtins.cpp @@ -83,3 +83,39 @@ void foo3() { // OGCG: %[[A_IMAG_PTR:.*]] = getelementptr inbounds nuw { double, double }, ptr %[[COMPLEX]], i32 0, i32 1 // OGCG: %[[A_IMAG:.*]] = load double, ptr %[[A_IMAG_PTR]], align 8 // OGCG: store double %[[A_IMAG]], ptr %[[INIT]], align 8 + +void foo4() { + float _Complex a; + float _Complex b = __builtin_conjf(a); +} + +// CIR: %[[COMPLEX:.*]] = cir.alloca !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>, ["a"] +// CIR: %[[RESULT:.*]] = cir.alloca !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>>, ["b", init] +// CIR: %[[TMP:.*]] = cir.load{{.*}} %[[COMPLEX]] : !cir.ptr<!cir.complex<!cir.float>>, !cir.complex<!cir.float> +// CIR: %[[REAL:.*]] = cir.complex.real %[[TMP]] : !cir.complex<!cir.float> -> !cir.float +// CIR: %[[IMAG:.*]] = cir.complex.imag %[[TMP]] : !cir.complex<!cir.float> -> !cir.float +// CIR: %[[IMAG_MINUS:.*]] = cir.unary(minus, %[[IMAG]]) : !cir.float, !cir.float +// CIR: %[[RESULT_VAL:.*]] = cir.complex.create %[[REAL]], %[[IMAG_MINUS]] : !cir.float -> !cir.complex<!cir.float> +// CIR: cir.store{{.*}} %[[RESULT_VAL]], %[[RESULT]] : !cir.complex<!cir.float>, !cir.ptr<!cir.complex<!cir.float>> + +// LLVM: %[[COMPLEX:.*]] = alloca { float, float }, i64 1, align 4 +// LLVM: %[[RESULT:.*]] = alloca { float, float }, i64 1, align 4 +// LLVM: %[[TMP:.*]] = load { float, float }, ptr %[[COMPLEX]], align 4 +// LLVM: %[[REAL:.*]] = extractvalue { float, float } %[[TMP]], 0 +// LLVM: %[[IMAG:.*]] = extractvalue { float, float } %[[TMP]], 1 +// LLVM: %[[IMAG_MINUS:.*]] = fneg float %[[IMAG]] +// LLVM: %[[RESULT_TMP:.*]] = insertvalue { float, float } {{.*}}, float %[[REAL]], 0 +// LLVM: %[[RESULT_VAL:.*]] = insertvalue { float, float } %[[RESULT_TMP]], float %[[IMAG_MINUS]], 1 +// LLVM: store { float, float } %[[RESULT_VAL]], ptr %[[RESULT]], align 4 + +// OGCG: %[[COMPLEX:.*]] = alloca { float, float }, align 4 +// OGCG: %[[RESULT:.*]] = alloca { float, float }, align 4 +// OGCG: %[[A_REAL_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[COMPLEX]], 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 %[[COMPLEX]], i32 0, i32 1 +// OGCG: %[[A_IMAG:.*]] = load float, ptr %[[A_IMAG_PTR]], align 4 +// OGCG: %[[A_IMAG_MINUS:.*]] = fneg float %[[A_IMAG]] +// OGCG: %[[RESULT_REAL_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[RESULT]], i32 0, i32 0 +// OGCG: %[[RESULT_IMAG_PTR:.*]] = getelementptr inbounds nuw { float, float }, ptr %[[RESULT]], i32 0, i32 1 +// OGCG: store float %[[A_REAL]], ptr %[[RESULT_REAL_PTR]], align 4 +// OGCG: store float %[[A_IMAG_MINUS]], ptr %[[RESULT_IMAG_PTR]], align 4 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits