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37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
// RUN: %clang_cc1 -fopenmp -emit-pch -o %t.pch %s
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// RUN: %clang_cc1 -fopenmp -fdelayed-template-parsing -emit-pch -o %t.delayed.pch %s
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// RUN: %clang_cc1 -DMAIN_FILE -fopenmp -include-pch %t.pch \
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// RUN: -emit-llvm -o - %s -fopenmp | FileCheck %s
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// RUN: %clang_cc1 -DMAIN_FILE -fopenmp -fdelayed-template-parsing -verify \
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// RUN: -Wunused-variable -include-pch %t.delayed.pch \
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// RUN: -emit-llvm -o - %s | FileCheck %s
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#ifndef MAIN_FILE
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template <typename T>
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void a(T t) {
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#pragma clang loop unroll_count(4)
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for(int i=0;i<8;++i) {}
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#pragma omp simd
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for(int i=0;i<8;++i) {}
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{
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int x, y, z, zz;
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#pragma unused(x)
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#pragma unused(y, z)
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}
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}
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#else
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// CHECK: !llvm.loop [[LOOP1:!.*]]
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// CHECK: !llvm.loop [[LOOP2:!.*]]
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// CHECK: [[LOOP1]] = distinct !{[[LOOP1]], [[LOOP1A:!.*]], [[LOOP1B:!.*]]}
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// CHECK: [[LOOP1A]] = !{!"llvm.loop.mustprogress"}
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// CHECK: [[LOOP1B]] = !{!"llvm.loop.unroll.count", i32 4}
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// CHECK: [[LOOP2]] = distinct !{[[LOOP2]], [[LOOP2A:!.*]], [[LOOP2B:!.*]]}
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// CHECK: [[LOOP2A]] = !{!"llvm.loop.parallel_accesses", [[LOOP2C:!.*]]}
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// CHECK: [[LOOP2B]] = !{!"llvm.loop.vectorize.enable", i1 true}
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// expected-warning@17 {{unused variable 'zz'}}
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void foo()
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{
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a(1);
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}
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#endif
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