https://github.com/ayokunle321 updated https://github.com/llvm/llvm-project/pull/213496
>From 207237679573c15febde956dff7c9a481a17e56f Mon Sep 17 00:00:00 2001 From: Ayokunle Amodu <[email protected]> Date: Sun, 2 Aug 2026 00:56:23 +0000 Subject: [PATCH] add amdgcn class builtins --- clang/lib/CIR/CodeGen/CIRGenBuiltinAMDGPU.cpp | 10 ++++------ .../CIR/CodeGenHIP/builtins-amdgcn-vi-f16.hip | 8 ++++++++ clang/test/CIR/CodeGenHIP/builtins-amdgcn.hip | 16 ++++++++++++++++ 3 files changed, 28 insertions(+), 6 deletions(-) diff --git a/clang/lib/CIR/CodeGen/CIRGenBuiltinAMDGPU.cpp b/clang/lib/CIR/CodeGen/CIRGenBuiltinAMDGPU.cpp index b9ae5948ba013..be4075fa9f93b 100644 --- a/clang/lib/CIR/CodeGen/CIRGenBuiltinAMDGPU.cpp +++ b/clang/lib/CIR/CodeGen/CIRGenBuiltinAMDGPU.cpp @@ -384,12 +384,10 @@ CIRGenFunction::emitAMDGPUBuiltinExpr(unsigned builtinId, } case AMDGPU::BI__builtin_amdgcn_class: case AMDGPU::BI__builtin_amdgcn_classf: - case AMDGPU::BI__builtin_amdgcn_classh: { - cgm.errorNYI(expr->getSourceRange(), - std::string("unimplemented AMDGPU builtin call: ") + - getContext().BuiltinInfo.getName(builtinId)); - return mlir::Value{}; - } + case AMDGPU::BI__builtin_amdgcn_classh: + return emitBuiltinWithOneOverloadedType<2>(expr, "amdgcn.class", + convertType(expr->getType())) + .getValue(); case AMDGPU::BI__builtin_amdgcn_fmed3f: case AMDGPU::BI__builtin_amdgcn_fmed3h: { cgm.errorNYI(expr->getSourceRange(), diff --git a/clang/test/CIR/CodeGenHIP/builtins-amdgcn-vi-f16.hip b/clang/test/CIR/CodeGenHIP/builtins-amdgcn-vi-f16.hip index 11a97c9befa9d..113bc15e5e291 100644 --- a/clang/test/CIR/CodeGenHIP/builtins-amdgcn-vi-f16.hip +++ b/clang/test/CIR/CodeGenHIP/builtins-amdgcn-vi-f16.hip @@ -111,3 +111,11 @@ __device__ void test_cos_f16(_Float16* out, _Float16 a) { __device__ void test_frexp_mant_f16(_Float16* out, _Float16 a) { *out = __builtin_amdgcn_frexp_manth(a); } + +// CIR-LABEL: @_Z14test_class_f16PbDF16_i +// CIR: cir.call_llvm_intrinsic "amdgcn.class" {{.*}} : (!cir.f16, !s32i) -> !cir.bool +// LLVM: define{{.*}} void @_Z14test_class_f16PbDF16_i +// LLVM: call{{.*}} i1 @llvm.amdgcn.class.f16(half %{{.*}}, i32 %{{.*}}) +__device__ void test_class_f16(bool* out, _Float16 a, int b) { + *out = __builtin_amdgcn_classh(a, b); +} diff --git a/clang/test/CIR/CodeGenHIP/builtins-amdgcn.hip b/clang/test/CIR/CodeGenHIP/builtins-amdgcn.hip index 4a129a7e534ac..f590727cb38d1 100644 --- a/clang/test/CIR/CodeGenHIP/builtins-amdgcn.hip +++ b/clang/test/CIR/CodeGenHIP/builtins-amdgcn.hip @@ -223,3 +223,19 @@ __device__ void test_frexp_mant_f32(float* out, float a) { __device__ void test_frexp_mant_f64(double* out, double a) { *out = __builtin_amdgcn_frexp_mant(a); } + +// CIR-LABEL: @_Z14test_class_f32Pbfi +// CIR: cir.call_llvm_intrinsic "amdgcn.class" {{.*}} : (!cir.float, !s32i) -> !cir.bool +// LLVM: define{{.*}} void @_Z14test_class_f32Pbfi +// LLVM: call{{.*}} i1 @llvm.amdgcn.class.f32(float %{{.*}}, i32 %{{.*}}) +__device__ void test_class_f32(bool* out, float a, int b) { + *out = __builtin_amdgcn_classf(a, b); +} + +// CIR-LABEL: @_Z14test_class_f64Pbdi +// CIR: cir.call_llvm_intrinsic "amdgcn.class" {{.*}} : (!cir.double, !s32i) -> !cir.bool +// LLVM: define{{.*}} void @_Z14test_class_f64Pbdi +// LLVM: call{{.*}} i1 @llvm.amdgcn.class.f64(double %{{.*}}, i32 %{{.*}}) +__device__ void test_class_f64(bool* out, double a, int b) { + *out = __builtin_amdgcn_class(a, b); +} _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
