37 lines · cpp
1// RUN: %clang_cc1 -fopenmp -emit-pch -o %t.pch %s2// RUN: %clang_cc1 -fopenmp -fdelayed-template-parsing -emit-pch -o %t.delayed.pch %s3// RUN: %clang_cc1 -DMAIN_FILE -fopenmp -include-pch %t.pch \4// RUN: -emit-llvm -o - %s -fopenmp | FileCheck %s5// RUN: %clang_cc1 -DMAIN_FILE -fopenmp -fdelayed-template-parsing -verify \6// RUN: -Wunused-variable -include-pch %t.delayed.pch \7// RUN: -emit-llvm -o - %s | FileCheck %s8 9#ifndef MAIN_FILE10template <typename T>11void a(T t) {12 #pragma clang loop unroll_count(4)13 for(int i=0;i<8;++i) {}14 #pragma omp simd15 for(int i=0;i<8;++i) {}16 {17 int x, y, z, zz;18 #pragma unused(x)19 #pragma unused(y, z)20 }21}22#else23// CHECK: !llvm.loop [[LOOP1:!.*]]24// CHECK: !llvm.loop [[LOOP2:!.*]]25// CHECK: [[LOOP1]] = distinct !{[[LOOP1]], [[LOOP1A:!.*]], [[LOOP1B:!.*]]}26// CHECK: [[LOOP1A]] = !{!"llvm.loop.mustprogress"}27// CHECK: [[LOOP1B]] = !{!"llvm.loop.unroll.count", i32 4}28// CHECK: [[LOOP2]] = distinct !{[[LOOP2]], [[LOOP2A:!.*]], [[LOOP2B:!.*]]}29// CHECK: [[LOOP2A]] = !{!"llvm.loop.parallel_accesses", [[LOOP2C:!.*]]}30// CHECK: [[LOOP2B]] = !{!"llvm.loop.vectorize.enable", i1 true}31// expected-warning@17 {{unused variable 'zz'}}32void foo()33{34 a(1);35}36#endif37