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62 lines
1.9 KiB
Plaintext
62 lines
1.9 KiB
Plaintext
// REQUIRES: nvptx-registered-target
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// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -emit-llvm -target-cpu sm_30 %s -o - | FileCheck %s --check-prefix=NO_SYNC
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// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -emit-llvm -target-cpu sm_30 -target-feature +ptx70 -DSYNC -DCUDA_VERSION=9000 %s -o - | FileCheck %s --check-prefix=SYNC
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#include "Inputs/cuda.h"
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__device__ void *memcpy(void *dest, const void *src, size_t n);
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#define warpSize 32
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#include <__clang_cuda_intrinsics.h>
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__device__ void use(unsigned long long, long long);
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// Test function, 4 shfl calls.
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// NO_SYNC: define{{.*}} @_Z14test_long_longv
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// NO_SYNC: call noundef i64 @_Z6__shflyii(
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// NO_SYNC: call noundef i64 @_Z6__shflxii(
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// SYNC: define{{.*}} @_Z14test_long_longv
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// SYNC: call noundef i64 @_Z11__shfl_syncjyii(
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// SYNC: call noundef i64 @_Z11__shfl_syncjxii(
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// unsigned long long -> long long
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// NO_SYNC: define{{.*}} @_Z6__shflyii
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// NO_SYNC: call noundef i64 @_Z6__shflxii(
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// long long -> int + int
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// NO_SYNC: define{{.*}} @_Z6__shflxii
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// NO_SYNC: call noundef i32 @_Z6__shfliii(
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// NO_SYNC: call noundef i32 @_Z6__shfliii(
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// NO_SYNC: define{{.*}} @_Z6__shfliii
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// NO_SYNC: call i32 @llvm.nvvm.shfl.idx.i32
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// unsigned long long -> long long
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// SYNC: _Z11__shfl_syncjyii
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// SYNC: call noundef i64 @_Z11__shfl_syncjxii(
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// long long -> int + int
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// SYNC: define{{.*}} @_Z11__shfl_syncjxii
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// SYNC: call noundef i32 @_Z11__shfl_syncjiii(
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// SYNC: call noundef i32 @_Z11__shfl_syncjiii(
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// SYNC: define{{.*}} @_Z11__shfl_syncjiii
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// SYNC: call i32 @llvm.nvvm.shfl.sync.idx.i32
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__device__ void test_long_long() {
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unsigned long long ull = 13;
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long long ll = 17;
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#ifndef SYNC
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ull = __shfl(ull, 7, 32);
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ll = __shfl(ll, 7, 32);
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use(ull, ll);
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#else
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ull = __shfl_sync(0x11, ull, 7, 32);
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ll = __shfl_sync(0x11, ll, 7, 32);
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use(ull, ll);
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#endif
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}
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