1ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s 2ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 3ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Verify while loop is recognized after sequence of pragma clang loop directives. 4ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid while_test(int *List, int Length) { 5ef8225444452a1486bd721f3285301fe84643b00Stephen Hines // CHECK: define {{.*}} @_Z10while_test 6ef8225444452a1486bd721f3285301fe84643b00Stephen Hines int i = 0; 7ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 8ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop vectorize(enable) 9ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop interleave_count(4) 10ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop vectorize_width(4) 11ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop unroll(enable) 12ef8225444452a1486bd721f3285301fe84643b00Stephen Hines while (i < Length) { 13ef8225444452a1486bd721f3285301fe84643b00Stephen Hines // CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}, !llvm.loop ![[LOOP_1:.*]] 14ef8225444452a1486bd721f3285301fe84643b00Stephen Hines List[i] = i * 2; 15ef8225444452a1486bd721f3285301fe84643b00Stephen Hines i++; 16ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 17ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 18ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 19ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Verify do loop is recognized after multi-option pragma clang loop directive. 20ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid do_test(int *List, int Length) { 21ef8225444452a1486bd721f3285301fe84643b00Stephen Hines int i = 0; 22ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 23ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop vectorize_width(8) interleave_count(4) unroll(disable) 24ef8225444452a1486bd721f3285301fe84643b00Stephen Hines do { 25ef8225444452a1486bd721f3285301fe84643b00Stephen Hines // CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}, !llvm.loop ![[LOOP_2:.*]] 26ef8225444452a1486bd721f3285301fe84643b00Stephen Hines List[i] = i * 2; 27ef8225444452a1486bd721f3285301fe84643b00Stephen Hines i++; 28ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } while (i < Length); 29ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 30ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 31ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Verify for loop is recognized after sequence of pragma clang loop directives. 32ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid for_test(int *List, int Length) { 33ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop interleave(enable) 34ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop interleave_count(4) 35ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop unroll_count(8) 36ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < Length; i++) { 37ef8225444452a1486bd721f3285301fe84643b00Stephen Hines // CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}, !llvm.loop ![[LOOP_3:.*]] 38ef8225444452a1486bd721f3285301fe84643b00Stephen Hines List[i] = i * 2; 39ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 40ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 41ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 42ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Verify c++11 for range loop is recognized after 43ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// sequence of pragma clang loop directives. 44ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid for_range_test() { 45ef8225444452a1486bd721f3285301fe84643b00Stephen Hines double List[100]; 46ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 47ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop vectorize_width(2) interleave_count(2) 48ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i : List) { 49ef8225444452a1486bd721f3285301fe84643b00Stephen Hines // CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}, !llvm.loop ![[LOOP_4:.*]] 50ef8225444452a1486bd721f3285301fe84643b00Stephen Hines List[i] = i; 51ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 52ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 53ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 54ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Verify disable pragma clang loop directive generates correct metadata 55ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid disable_test(int *List, int Length) { 56ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop vectorize(disable) unroll(disable) 57ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < Length; i++) { 58ef8225444452a1486bd721f3285301fe84643b00Stephen Hines // CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}, !llvm.loop ![[LOOP_5:.*]] 59ef8225444452a1486bd721f3285301fe84643b00Stephen Hines List[i] = i * 2; 60ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 61ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 62ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 63ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#define VECWIDTH 2 64ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#define INTCOUNT 2 65ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#define UNROLLCOUNT 8 66ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 67ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Verify defines are correctly resolved in pragma clang loop directive 68ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid for_define_test(int *List, int Length, int Value) { 69ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop vectorize_width(VECWIDTH) interleave_count(INTCOUNT) 70ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop unroll_count(UNROLLCOUNT) 71ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < Length; i++) { 72ef8225444452a1486bd721f3285301fe84643b00Stephen Hines // CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}, !llvm.loop ![[LOOP_6:.*]] 73ef8225444452a1486bd721f3285301fe84643b00Stephen Hines List[i] = i * Value; 74ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 75ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 76ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 77ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Verify metadata is generated when template is used. 78ef8225444452a1486bd721f3285301fe84643b00Stephen Hinestemplate <typename A> 79ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid for_template_test(A *List, int Length, A Value) { 80ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 81ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop vectorize_width(8) interleave_count(8) unroll_count(8) 82ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < Length; i++) { 83ef8225444452a1486bd721f3285301fe84643b00Stephen Hines // CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}, !llvm.loop ![[LOOP_7:.*]] 84ef8225444452a1486bd721f3285301fe84643b00Stephen Hines List[i] = i * Value; 85ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 86ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 87ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 88ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Verify define is resolved correctly when template is used. 89ef8225444452a1486bd721f3285301fe84643b00Stephen Hinestemplate <typename A> 90ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid for_template_define_test(A *List, int Length, A Value) { 91ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop vectorize_width(VECWIDTH) interleave_count(INTCOUNT) 92ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#pragma clang loop unroll_count(UNROLLCOUNT) 93ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (int i = 0; i < Length; i++) { 94ef8225444452a1486bd721f3285301fe84643b00Stephen Hines // CHECK: br i1 {{.*}}, label {{.*}}, label {{.*}}, !llvm.loop ![[LOOP_8:.*]] 95ef8225444452a1486bd721f3285301fe84643b00Stephen Hines List[i] = i * Value; 96ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 97ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 98ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 99ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#undef VECWIDTH 100ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#undef INTCOUNT 101ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#undef UNROLLCOUNT 102ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 103ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// Use templates defined above. Test verifies metadata is generated correctly. 104ef8225444452a1486bd721f3285301fe84643b00Stephen Hinesvoid template_test(double *List, int Length) { 105ef8225444452a1486bd721f3285301fe84643b00Stephen Hines double Value = 10; 106ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 107ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for_template_test<double>(List, Length, Value); 108ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for_template_define_test<double>(List, Length, Value); 109ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 110ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 111ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[LOOP_1]] = metadata !{metadata ![[LOOP_1]], metadata ![[UNROLLENABLE_1:.*]], metadata ![[WIDTH_4:.*]], metadata ![[INTERLEAVE_4:.*]], metadata ![[INTENABLE_1:.*]]} 112ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[UNROLLENABLE_1]] = metadata !{metadata !"llvm.loop.unroll.enable", i1 true} 113ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[WIDTH_4]] = metadata !{metadata !"llvm.loop.vectorize.width", i32 4} 114ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[INTERLEAVE_4]] = metadata !{metadata !"llvm.loop.vectorize.unroll", i32 4} 115ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[INTENABLE_1]] = metadata !{metadata !"llvm.loop.vectorize.enable", i1 true} 116ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[LOOP_2]] = metadata !{metadata ![[LOOP_2:.*]], metadata ![[UNROLLENABLE_0:.*]], metadata ![[INTERLEAVE_4:.*]], metadata ![[WIDTH_8:.*]]} 117ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[UNROLLENABLE_0]] = metadata !{metadata !"llvm.loop.unroll.enable", i1 false} 118ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[WIDTH_8]] = metadata !{metadata !"llvm.loop.vectorize.width", i32 8} 119ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[LOOP_3]] = metadata !{metadata ![[LOOP_3]], metadata ![[UNROLL_8:.*]], metadata ![[INTERLEAVE_4:.*]], metadata ![[ENABLE_1:.*]]} 120ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[UNROLL_8]] = metadata !{metadata !"llvm.loop.unroll.count", i32 8} 121ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[LOOP_4]] = metadata !{metadata ![[LOOP_4]], metadata ![[INTERLEAVE_2:.*]], metadata ![[WIDTH_2:.*]]} 122ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[INTERLEAVE_2]] = metadata !{metadata !"llvm.loop.vectorize.unroll", i32 2} 123ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[WIDTH_2]] = metadata !{metadata !"llvm.loop.vectorize.width", i32 2} 124ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[LOOP_5]] = metadata !{metadata ![[LOOP_5]], metadata ![[UNROLLENABLE_0:.*]], metadata ![[WIDTH_1:.*]]} 125ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[WIDTH_1]] = metadata !{metadata !"llvm.loop.vectorize.width", i32 1} 126ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[LOOP_6]] = metadata !{metadata ![[LOOP_6]], metadata ![[UNROLL_8:.*]], metadata ![[INTERLEAVE_2:.*]], metadata ![[WIDTH_2:.*]]} 127ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[LOOP_7]] = metadata !{metadata ![[LOOP_7]], metadata ![[UNROLL_8:.*]], metadata ![[INTERLEAVE_8:.*]], metadata ![[WIDTH_8:.*]]} 128ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[INTERLEAVE_8]] = metadata !{metadata !"llvm.loop.vectorize.unroll", i32 8} 129ef8225444452a1486bd721f3285301fe84643b00Stephen Hines// CHECK: ![[LOOP_8]] = metadata !{metadata ![[LOOP_8]], metadata ![[UNROLL_8:.*]], metadata ![[INTERLEAVE_2:.*]], metadata ![[WIDTH_2:.*]]} 130