Author: Amr Hesham Date: 2025-07-10T18:19:24+02:00 New Revision: 54ec5217a07ed73877779c5ee3c744cc1aa2534c
URL: https://github.com/llvm/llvm-project/commit/54ec5217a07ed73877779c5ee3c744cc1aa2534c DIFF: https://github.com/llvm/llvm-project/commit/54ec5217a07ed73877779c5ee3c744cc1aa2534c.diff LOG: [CIR] Upstream __builtin_cimag for ComplexType (#147808) Upstream __builtin_cimag support for ComplexType https://github.com/llvm/llvm-project/issues/141365 Added: Modified: clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp 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 1e56ea4d9bd8e..c65873209c31d 100644 --- a/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp +++ b/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp @@ -128,6 +128,17 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl &gd, unsigned builtinID, return RValue::get(real); } + case Builtin::BI__builtin_cimag: + case Builtin::BI__builtin_cimagf: + case Builtin::BI__builtin_cimagl: + case Builtin::BIcimag: + case Builtin::BIcimagf: + case Builtin::BIcimagl: { + mlir::Value complex = emitComplexExpr(e->getArg(0)); + mlir::Value imag = builder.createComplexImag(loc, complex); + return RValue::get(imag); + } + case Builtin::BI__builtin_clrsb: case Builtin::BI__builtin_clrsbl: case Builtin::BI__builtin_clrsbll: diff --git a/clang/test/CIR/CodeGen/complex-builtins.cpp b/clang/test/CIR/CodeGen/complex-builtins.cpp index fdda5eb707fb7..f0d12d0ef6663 100644 --- a/clang/test/CIR/CodeGen/complex-builtins.cpp +++ b/clang/test/CIR/CodeGen/complex-builtins.cpp @@ -58,3 +58,28 @@ void foo2() { // 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_REAL]], ptr %[[INIT]], align 8 + +void foo3() { + double _Complex a; + double imag = __builtin_cimag(a); +} + +// CIR: %[[COMPLEX:.*]] = cir.alloca !cir.complex<!cir.double>, !cir.ptr<!cir.complex<!cir.double>>, ["a"] +// CIR: %[[INIT:.*]] = cir.alloca !cir.double, !cir.ptr<!cir.double>, ["imag", init] +// CIR: %[[TMP:.*]] = cir.load{{.*}} %[[COMPLEX]] : !cir.ptr<!cir.complex<!cir.double>>, !cir.complex<!cir.double> +// CIR: %[[IMAG:.*]] = cir.complex.imag %[[TMP]] : !cir.complex<!cir.double> -> !cir.double +// CIR: cir.store{{.*}} %[[IMAG]], %[[INIT]] : !cir.double, !cir.ptr<!cir.double> + +// LLVM: %[[COMPLEX:.*]] = alloca { double, double }, i64 1, align 8 +// LLVM: %[[INIT:.*]] = alloca double, i64 1, align 8 +// LLVM: %[[TMP:.*]] = load { double, double }, ptr %[[COMPLEX]], align 8 +// LLVM: %[[IMAG:.*]] = extractvalue { double, double } %[[TMP]], 1 +// LLVM: store double %[[IMAG]], ptr %[[INIT]], align 8 + +// OGCG: %[[COMPLEX:.*]] = alloca { double, double }, align 8 +// OGCG: %[[INIT:.*]] = alloca double, align 8 +// OGCG: %[[A_REAL_PTR:.*]] = getelementptr inbounds nuw { double, double }, ptr %[[COMPLEX]], i32 0, i32 0 +// OGCG: %[[A_REAL:.*]] = load double, ptr %[[A_REAL_PTR]], align 8 +// 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 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
