diff options
Diffstat (limited to 'clang/test/CodeGenCXX/pragma-loop-predicate.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/pragma-loop-predicate.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/pragma-loop-predicate.cpp b/clang/test/CodeGenCXX/pragma-loop-predicate.cpp new file mode 100644 index 00000000000..74aed5d17e6 --- /dev/null +++ b/clang/test/CodeGenCXX/pragma-loop-predicate.cpp @@ -0,0 +1,35 @@ +// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s + +void test0(int *List, int Length) { +// CHECK-LABEL: @{{.*}}test0{{.*}}( +// CHECK: br label {{.*}}, !llvm.loop ![[LOOP0:.*]] + + #pragma clang loop vectorize(enable) + for (int i = 0; i < Length; i++) + List[i] = i * 2; +} + +void test1(int *List, int Length) { +// CHECK-LABEL: @{{.*}}test1{{.*}}( +// CHECK: br label {{.*}}, !llvm.loop ![[LOOP1:.*]] + + #pragma clang loop vectorize(enable) vectorize_predicate(enable) + for (int i = 0; i < Length; i++) + List[i] = i * 2; +} + +void test2(int *List, int Length) { +// CHECK-LABEL: @{{.*}}test2{{.*}}( +// CHECK: br label {{.*}}, !llvm.loop ![[LOOP2:.*]] + + #pragma clang loop vectorize(enable) vectorize_predicate(disable) + for (int i = 0; i < Length; i++) + List[i] = i * 2; +} + +// CHECK: ![[LOOP0]] = distinct !{![[LOOP0]], !3} +// CHECK-NEXT: !3 = !{!"llvm.loop.vectorize.enable", i1 true} +// CHECK-NEXT: ![[LOOP1]] = distinct !{![[LOOP1]], !5, !3} +// CHECK-NEXT: !5 = !{!"llvm.loop.vectorize.predicate.enable", i1 true} +// CHECK-NEXT: ![[LOOP2]] = distinct !{![[LOOP2]], !7, !3} +// CHECK-NEXT: !7 = !{!"llvm.loop.vectorize.predicate.enable", i1 false} |
