54 lines · cpp
1// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s2 3void loop1(int *List, int Length) {4// CHECK-LABEL: @{{.*}}loop1{{.*}}(5// CHECK: br label {{.*}}, !llvm.loop ![[LOOP1:.*]]6 7 #pragma clang loop vectorize(enable) vectorize_width(1)8 for (int i = 0; i < Length; i++)9 List[i] = i * 2;10}11 12// Here, vectorize.enable should be set, obviously, but also check that13// metadata isn't added twice.14void loop2(int *List, int Length) {15// CHECK-LABEL: @{{.*}}loop2{{.*}}(16// CHECK: br label {{.*}}, !llvm.loop ![[LOOP2:.*]]17 18 #pragma clang loop vectorize(enable) vectorize_width(2)19 for (int i = 0; i < Length; i++)20 List[i] = i * 2;21}22 23// Test that we do *not* imply vectorize.enable.24void loop3(int *List, int Length) {25// CHECK-LABEL: @{{.*}}loop3{{.*}}(26// CHECK: br label {{.*}}, !llvm.loop ![[LOOP3:.*]]27 28 #pragma clang loop vectorize_width(1)29 for (int i = 0; i < Length; i++)30 List[i] = i * 2;31}32 33// Test that we *do* imply vectorize.enable.34void loop4(int *List, int Length) {35// CHECK-LABEL: @{{.*}}loop4{{.*}}(36// CHECK: br label {{.*}}, !llvm.loop ![[LOOP4:.*]]37 38 #pragma clang loop vectorize_width(2)39 for (int i = 0; i < Length; i++)40 List[i] = i * 2;41}42 43// CHECK: ![[LOOP1]] = distinct !{![[LOOP1]], [[MP:![0-9]+]], ![[VEC_WIDTH_1:.*]], ![[FIXED_WIDTH:.*]], ![[VEC_ENABLE:.*]]}44// CHECK: ![[VEC_WIDTH_1]] = !{!"llvm.loop.vectorize.width", i32 1}45// CHECK: ![[FIXED_WIDTH]] = !{!"llvm.loop.vectorize.scalable.enable", i1 false}46// CHECK: ![[VEC_ENABLE]] = !{!"llvm.loop.vectorize.enable", i1 true}47 48// CHECK: ![[LOOP2]] = distinct !{![[LOOP2]], [[MP]], ![[VEC_WIDTH_2:.*]], ![[FIXED_WIDTH:.*]], ![[VEC_ENABLE]]}49// CHECK: ![[VEC_WIDTH_2]] = !{!"llvm.loop.vectorize.width", i32 2}50 51// CHECK: ![[LOOP3]] = distinct !{![[LOOP3]], [[MP]], ![[VEC_WIDTH_1]], ![[FIXED_WIDTH]]}52 53// CHECK: ![[LOOP4]] = distinct !{![[LOOP4]], [[MP]], ![[VEC_WIDTH_2]], ![[FIXED_WIDTH]], ![[VEC_ENABLE]]}54