22 lines
948 B
C++
22 lines
948 B
C++
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// REQUIRES: amdgpu-registered-target
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -aux-triple x86_64-pc-windows-msvc -target-cpu gfx900 -x hip -emit-llvm -fcuda-is-device -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -aux-triple x86_64-pc-windows-msvc -target-cpu gfx900 -x hip -S -fcuda-is-device -o - %s | FileCheck %s --check-prefix=GFX9
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// Unlike OpenCL, HIP depends on the C++ interpration of "unsigned long", which
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// is 64 bits long on Linux and 32 bits long on Windows. The return type of the
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// ballot intrinsic needs to be a 64 bit integer on both platforms. This test
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// cross-compiles to Windows to confirm that the return type is indeed 64 bits
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// on Windows.
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// CHECK-LABEL: @_Z3fooi
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// CHECK: call i64 @llvm.amdgcn.ballot.i64
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// GFX9-LABEL: _Z3fooi:
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// GFX9: v_cmp_ne_u32_e64
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#define __device__ __attribute__((device))
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__device__ unsigned long long foo(int p) {
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return __builtin_amdgcn_ballot_w64(p);
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}
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