derek.holloway
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61 lines
1.8 KiB
Plaintext
61 lines
1.8 KiB
Plaintext
// REQUIRES: amdgpu-registered-target
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// REQUIRES: nvptx-registered-target
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// Implicit-H+D functions reached only via an explicit template instantiation
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// get a real body if their device codegen is clean, or a trap body if it
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// would otherwise raise a target-mismatch diagnostic.
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -x hip \
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// RUN: -emit-llvm -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -x hip \
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// RUN: -emit-llvm -o - %s | FileCheck %s
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#include "Inputs/cuda.h"
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__host__ int host_only() { return 7; }
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// Class-template member, safe body.
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template <typename T>
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struct ETI_Safe {
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constexpr T add_one(T x) { return x + (T)1; }
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};
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template class ETI_Safe<float>;
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// CHECK: define {{.*}} float @_ZN8ETI_SafeIfE7add_oneEf(
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// CHECK-NOT: call void @llvm.trap()
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// CHECK: ret float
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// Class-template member, body calls a __host__-only function.
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template <typename T>
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struct ETI_BadBody {
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constexpr T call_host(T x) { return x + (T)host_only(); }
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};
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template class ETI_BadBody<float>;
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// CHECK-LABEL: define {{.*}} float @_ZN11ETI_BadBodyIfE9call_hostEf(
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// CHECK: call void @llvm.trap()
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// CHECK-NEXT: ret float poison
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// Function-template form, safe body.
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template <typename T>
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constexpr T ft_safe(T x) { return x + (T)1; }
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template float ft_safe<float>(float);
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// CHECK: define {{.*}} float @_Z7ft_safeIfET_S0_(
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// CHECK-NOT: call void @llvm.trap()
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// CHECK: ret float
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// Function-template form, body calls a __host__-only function.
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template <typename T>
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constexpr T ft_bad(T x) { return x + (T)host_only(); }
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template float ft_bad<float>(float);
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// CHECK-LABEL: define {{.*}} float @_Z6ft_badIfET_S0_(
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// CHECK: call void @llvm.trap()
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// CHECK-NEXT: ret float poison
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__global__ void kernel(float *p) { *p = 1.0f; }
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// CHECK-NOT: __clang_hip_unreachable_dtor
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// CHECK-NOT: __clang_cuda_unreachable_dtor
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