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TheRock/compiler/amd-llvm/clang/test/CodeGenCUDA/link-builtin-bitcode-gpu-attrs-preserved.cu
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// Verify the behavior of the +gfxN-insts in the way that
// rocm-device-libs should be built with. e.g. If the device libraries has a function
// with "+gfx11-insts", that attribute should still be present after linking and not
// overwritten with the current target's settings.
// This is important because at this time, many device-libs functions that are only
// available on some GPUs put an attribute such as "+gfx11-insts" so that
// AMDGPURemoveIncompatibleFunctions can detect & remove them if needed.
// Build the fake device library in the way rocm-device-libs should be built.
//
// RUN: %clang_cc1 -x cl -triple amdgcn-amd-amdhsa\
// RUN: -mcode-object-version=none -emit-llvm-bc \
// RUN: %S/Inputs/ocml-sample-target-attrs.cl -o %t.bc
// Check the default behavior
// RUN: %clang_cc1 -x hip -triple amdgcn-amd-amdhsa -target-cpu gfx803 -fcuda-is-device \
// RUN: -mlink-builtin-bitcode %t.bc \
// RUN: -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,INTERNALIZE
// RUN: %clang_cc1 -x hip -triple amdgcn-amd-amdhsa -target-cpu gfx1101 -fcuda-is-device \
// RUN: -mlink-builtin-bitcode %t.bc -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,INTERNALIZE
// Check the case where no internalization is performed
// RUN: %clang_cc1 -x hip -triple amdgcn-amd-amdhsa -target-cpu gfx803 \
// RUN: -fcuda-is-device -mlink-bitcode-file %t.bc -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,NOINTERNALIZE
// Check the case where no internalization is performed
// RUN: %clang_cc1 -x hip -triple amdgcn-amd-amdhsa -target-cpu gfx1101 \
// RUN: -fcuda-is-device -mlink-bitcode-file %t.bc -emit-llvm %s -o - | FileCheck %s --check-prefixes=CHECK,NOINTERNALIZE
// CHECK: define {{.*}} i64 @do_intrin_stuff() #[[ATTR:[0-9]+]]
// INTERNALIZE: attributes #[[ATTR]] = {{.*}} "target-cpu"="gfx{{.*}}" "target-features"="{{.*}}+gfx11-insts{{.*}}"
// NOINTERNALIZE: attributes #[[ATTR]] = {{.*}} "target-features"="+gfx11-insts"
#define __device__ __attribute__((device))
#define __global__ __attribute__((global))
typedef unsigned long ulong;
extern "C" {
__device__ ulong do_intrin_stuff(void);
__global__ void kernel_f16(ulong* out) {
*out = do_intrin_stuff();
}
}