SYCL device compiler (similar to other SPMD compilers) assumes that functions are convergent by default to avoid invalid transformations. This attribute can be removed if compiler can prove that function does not have convergent operations. Reviewed By: Naghasan Differential Revision: https://reviews.llvm.org/D87282
21 lines
525 B
C++
21 lines
525 B
C++
// RUN: %clang_cc1 -fsycl -fsycl-is-device -emit-llvm -disable-llvm-passes \
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// RUN: -triple spir64-unknown-unknown-sycldevice -emit-llvm %s -o - | \
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// RUN: FileCheck %s
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// CHECK-DAG: Function Attrs:
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// CHECK-DAG-SAME: convergent
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// CHECK-DAG-NEXT: define void @_Z3foov
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void foo() {
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int a = 1;
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}
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template <typename Name, typename Func>
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__attribute__((sycl_kernel)) void kernel_single_task(const Func &kernelFunc) {
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kernelFunc();
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}
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int main() {
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kernel_single_task<class fake_kernel>([] { foo(); });
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return 0;
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}
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