130 lines · cpp
1// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s2 3void test0(int *List, int Length) {4// CHECK-LABEL: @{{.*}}test0{{.*}}(5// CHECK: br label {{.*}}, !llvm.loop ![[LOOP0:.*]]6 7 #pragma clang loop vectorize(enable)8 for (int i = 0; i < Length; i++)9 List[i] = i * 2;10}11 12void test1(int *List, int Length) {13// CHECK-LABEL: @{{.*}}test1{{.*}}(14// CHECK: br label {{.*}}, !llvm.loop ![[LOOP1:.*]]15 16 #pragma clang loop vectorize(enable) vectorize_predicate(enable)17 for (int i = 0; i < Length; i++)18 List[i] = i * 2;19}20 21void test2(int *List, int Length) {22// CHECK-LABEL: @{{.*}}test2{{.*}}(23// CHECK: br label {{.*}}, !llvm.loop ![[LOOP2:.*]]24 25 #pragma clang loop vectorize(enable) vectorize_predicate(disable)26 for (int i = 0; i < Length; i++)27 List[i] = i * 2;28}29 30// vectorize_predicate(enable) implies vectorize(enable)31void test3(int *List, int Length) {32// CHECK-LABEL: @{{.*}}test3{{.*}}(33// CHECK: br label {{.*}}, !llvm.loop ![[LOOP3:.*]]34 35 #pragma clang loop vectorize_predicate(enable)36 for (int i = 0; i < Length; i++)37 List[i] = i * 2;38}39 40// Check that disabling vectorization means a vectorization width of 1, and41// also that vectorization_predicate isn't enabled.42void test4(int *List, int Length) {43// CHECK-LABEL: @{{.*}}test4{{.*}}(44// CHECK: br label {{.*}}, !llvm.loop ![[LOOP4:.*]]45 46 #pragma clang loop vectorize(disable)47 for (int i = 0; i < Length; i++)48 List[i] = i * 2;49}50 51// Check that vectorize and vectorize_predicate are disabled.52void test5(int *List, int Length) {53// CHECK-LABEL: @{{.*}}test5{{.*}}(54// CHECK: br label {{.*}}, !llvm.loop ![[LOOP5:.*]]55 56 #pragma clang loop vectorize(disable) vectorize_predicate(enable)57 for (int i = 0; i < Length; i++)58 List[i] = i * 2;59}60 61// Check that vectorize_predicate is ignored when vectorization width is 162void test6(int *List, int Length) {63// CHECK-LABEL: @{{.*}}test6{{.*}}(64// CHECK: br label {{.*}}, !llvm.loop ![[LOOP6:.*]]65 66#pragma clang loop vectorize_predicate(disable) vectorize_width(1)67 for (int i = 0; i < Length; i++)68 List[i] = i * 2;69}70 71 72// Check that vectorize_width(!=1) does not affect vectorize_predicate.73void test7(int *List, int Length) {74// CHECK-LABEL: @{{.*}}test7{{.*}}(75// CHECK: br label {{.*}}, !llvm.loop ![[LOOP7:.*]]76 77#pragma clang loop vectorize_predicate(disable) vectorize_width(4)78 for (int i = 0; i < Length; i++)79 List[i] = i * 2;80}81 82 83// Check that vectorize_predicate is ignored when vectorization width is 184void test8(int *List, int Length) {85// CHECK-LABEL: @{{.*}}test8{{.*}}(86// CHECK: br label {{.*}}, !llvm.loop ![[LOOP8:.*]]87 88#pragma clang loop vectorize_predicate(enable) vectorize_width(1)89 for (int i = 0; i < Length; i++)90 List[i] = i * 2;91}92 93 94// Check that vectorize_width(!=1) does not affect vectorize_predicate.95void test9(int *List, int Length) {96// CHECK-LABEL: @{{.*}}test9{{.*}}(97// CHECK: br label {{.*}}, !llvm.loop ![[LOOP9:.*]]98 99#pragma clang loop vectorize_predicate(enable) vectorize_width(4)100 for (int i = 0; i < Length; i++)101 List[i] = i * 2;102}103 104// CHECK: ![[LOOP0]] = distinct !{![[LOOP0]], [[MP:![0-9]+]], [[GEN3:![0-9]+]]}105// CHECK: [[MP]] = !{!"llvm.loop.mustprogress"}106// CHECK-NEXT: [[GEN3]] = !{!"llvm.loop.vectorize.enable", i1 true}107 108// CHECK-NEXT: ![[LOOP1]] = distinct !{![[LOOP1]], [[MP]], [[GEN6:![0-9]+]], [[GEN3]]}109// CHECK-NEXT: [[GEN6]] = !{!"llvm.loop.vectorize.predicate.enable", i1 true}110 111// CHECK-NEXT: ![[LOOP2]] = distinct !{![[LOOP2]], [[MP]], [[GEN8:![0-9]+]], [[GEN3]]}112// CHECK-NEXT: [[GEN8]] = !{!"llvm.loop.vectorize.predicate.enable", i1 false}113 114// CHECK-NEXT: ![[LOOP3]] = distinct !{![[LOOP3]], [[MP]], [[GEN6]], [[GEN3]]}115 116// CHECK-NEXT: ![[LOOP4]] = distinct !{![[LOOP4]], [[MP]], [[GEN10:![0-9]+]]}117// CHECK-NEXT: [[GEN10]] = !{!"llvm.loop.vectorize.width", i32 1}118 119// CHECK-NEXT: ![[LOOP5]] = distinct !{![[LOOP5]], [[MP]], [[GEN6]], [[GEN10]]}120 121// CHECK-NEXT: ![[LOOP6]] = distinct !{![[LOOP6]], [[MP]], [[GEN8]], [[GEN10]], [[GEN11:![0-9]+]]}122// CHECK-NEXT: [[GEN11]] = !{!"llvm.loop.vectorize.scalable.enable", i1 false}123 124// CHECK-NEXT: ![[LOOP7]] = distinct !{![[LOOP7]], [[MP]], [[GEN8]], [[GEN12:![0-9]+]], [[GEN11]], [[GEN3]]}125// CHECK-NEXT: [[GEN12]] = !{!"llvm.loop.vectorize.width", i32 4}126 127// CHECK-NEXT: ![[LOOP8]] = distinct !{![[LOOP8]], [[MP]], [[GEN6]], [[GEN10]], [[GEN11]]}128 129// CHECK-NEXT: ![[LOOP9]] = distinct !{![[LOOP9]], [[MP]], [[GEN6]], [[GEN12]], [[GEN11]], [[GEN3]]}130