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// REQUIRES: system-linux
// REQUIRES: x86-registered-target
// REQUIRES: amdgpu-registered-target
// REQUIRES: shell
// RUN: mkdir -p %t
// RUN: rm -f %t/amdgpu_arch_fail %t/amdgpu_arch_different
// RUN: cp %S/Inputs/amdgpu-arch/amdgpu_arch_fail %t/
// RUN: cp %S/Inputs/amdgpu-arch/amdgpu_arch_different %t/
// RUN: echo '#!/bin/sh' > %t/amdgpu_arch_empty
// RUN: chmod +x %t/amdgpu_arch_fail
// RUN: chmod +x %t/amdgpu_arch_different
// RUN: chmod +x %t/amdgpu_arch_empty
// case when amdgpu_arch returns nothing or fails
// RUN: %clang -### --target=x86_64-unknown-linux-gnu -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa -nogpulib --amdgpu-arch-tool=%t/amdgpu_arch_fail %s 2>&1 \
// RUN: | FileCheck %s --check-prefix=NO-OUTPUT-ERROR
// NO-OUTPUT-ERROR: error: cannot determine AMDGPU architecture{{.*}}Exited with error code 1; consider passing it via '--march'
// case when amdgpu_arch returns multiple gpus but all are different
// RUN: %clang -### --target=x86_64-unknown-linux-gnu -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa -nogpulib --amdgpu-arch-tool=%t/amdgpu_arch_different %s 2>&1 \
// RUN: | FileCheck %s --check-prefix=MULTIPLE-OUTPUT-ERROR
// MULTIPLE-OUTPUT-ERROR: error: cannot determine AMDGPU architecture: Multiple AMD GPUs found with different archs; consider passing it via '--march'
// case when amdgpu_arch does not return anything with successful execution
// RUN: %clang -### --target=x86_64-unknown-linux-gnu -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa -nogpulib --amdgpu-arch-tool=%t/amdgpu_arch_empty %s 2>&1 \
// RUN: | FileCheck %s --check-prefix=EMPTY-OUTPUT
// EMPTY-OUTPUT: error: cannot determine AMDGPU architecture: No AMD GPU detected in the system; consider passing it via '--march'
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