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llvm-project/clang/test/CodeGenOpenCL/norecurse.cl

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[OpenCL][CUDA][HIP][SYCL] Add norecurse norecurse function attr indicates the function is not called recursively directly or indirectly. Add norecurse to OpenCL functions, SYCL functions in device compilation and CUDA/HIP kernels. Although there is LLVM pass adding norecurse to functions, it only works for whole-program compilation. Also FE adding norecurse can make that pass run faster since functions with norecurse do not need to be checked again. Differential Revision: https://reviews.llvm.org/D73651
2020-01-30 03:11:37 +08:00
// RUN: %clang_cc1 -O0 -emit-llvm -o - %s | FileCheck %s
kernel void kernel1(int a) {}
// CHECK: define{{.*}}@kernel1{{.*}}#[[ATTR:[0-9]*]]
// CHECK: attributes #[[ATTR]] = {{.*}}norecurse