derek.holloway
7502bf64a4
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26 lines
1.3 KiB
C++
26 lines
1.3 KiB
C++
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4
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// RUN: %clang_cc1 -triple spirv64-amd-amdhsa -aux-triple x86_64-pc-windows-msvc -x hip -emit-llvm -fcuda-is-device -o - %s | FileCheck %s
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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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#define __device__ __attribute__((device))
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// CHECK-LABEL: define spir_func noundef i64 @_Z3fooi(
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// CHECK-SAME: i32 noundef [[P:%.*]]) addrspace(4) #[[ATTR0:[0-9]+]] {
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[P_ADDR:%.*]] = alloca i32, align 4
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// CHECK-NEXT: [[P_ADDR_ASCAST:%.*]] = addrspacecast ptr [[P_ADDR]] to ptr addrspace(4)
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// CHECK-NEXT: store i32 [[P]], ptr addrspace(4) [[P_ADDR_ASCAST]], align 4
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// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr addrspace(4) [[P_ADDR_ASCAST]], align 4
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// CHECK-NEXT: [[TOBOOL:%.*]] = icmp ne i32 [[TMP0]], 0
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// CHECK-NEXT: [[TMP1:%.*]] = call addrspace(4) i64 @llvm.amdgcn.ballot.i64(i1 [[TOBOOL]])
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// CHECK-NEXT: ret i64 [[TMP1]]
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//
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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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