clang/test/AST/ast-dump-openmp-parallel-for.c

   1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fopenmp -ast-dump %s | FileCheck --match-full-lines -implicit-check-not=openmp_structured_block %s
   2
   3 void test_one(int x) {
   4 #pragma omp parallel for
   5   for (int i = 0; i < x; i++)
   6     ;
   7 }
   8
   9 void test_two(int x, int y) {
  10 #pragma omp parallel for
  11   for (int i = 0; i < x; i++)
  12     for (int i = 0; i < y; i++)
  13       ;
  14 }
  15
  16 void test_three(int x, int y) {
  17 #pragma omp parallel for collapse(1)
  18   for (int i = 0; i < x; i++)
  19     for (int i = 0; i < y; i++)
  20       ;
  21 }
  22
  23 void test_four(int x, int y) {
  24 #pragma omp parallel for collapse(2)
  25   for (int i = 0; i < x; i++)
  26     for (int i = 0; i < y; i++)
  27       ;
  28 }
  29
  30 void test_five(int x, int y, int z) {
  31 #pragma omp parallel for collapse(2)
  32   for (int i = 0; i < x; i++)
  33     for (int i = 0; i < y; i++)
  34       for (int i = 0; i < z; i++)
  35         ;
  36 }
  37
  38 // CHECK: TranslationUnitDecl {{.*}} <<invalid sloc>> <invalid sloc>
  39 // CHECK: |-FunctionDecl {{.*}} <{{.*}}ast-dump-openmp-parallel-for.c:3:1, line:7:1> line:3:6 test_one 'void (int)'
  40 // CHECK-NEXT: | |-ParmVarDecl {{.*}} <col:15, col:19> col:19 used x 'int'
  41 // CHECK-NEXT: | `-CompoundStmt {{.*}} <col:22, line:7:1>
  42 // CHECK-NEXT: |   `-OMPParallelForDirective {{.*}} <line:4:1, col:25>
  43 // CHECK-NEXT: |     `-CapturedStmt {{.*}} <line:5:3, line:6:5>
  44 // CHECK-NEXT: |       |-CapturedDecl {{.*}} <<invalid sloc>> <invalid sloc> nothrow
  45 // CHECK-NEXT: |       | |-ForStmt {{.*}} <line:5:3, line:6:5>
  46 // CHECK-NEXT: |       | | |-DeclStmt {{.*}} <line:5:8, col:17>
  47 // CHECK-NEXT: |       | | | `-VarDecl {{.*}} <col:8, col:16> col:12 used i 'int' cinit
  48 // CHECK-NEXT: |       | | |   `-IntegerLiteral {{.*}} <col:16> 'int' 0
  49 // CHECK-NEXT: |       | | |-<<<NULL>>>
  50 // CHECK-NEXT: |       | | |-BinaryOperator {{.*}} <col:19, col:23> 'int' '<'
  51 // CHECK-NEXT: |       | | | |-ImplicitCastExpr {{.*}} <col:19> 'int' <LValueToRValue>
  52 // CHECK-NEXT: |       | | | | `-DeclRefExpr {{.*}} <col:19> 'int' lvalue Var {{.*}} 'i' 'int'
  53 // CHECK-NEXT: |       | | | `-ImplicitCastExpr {{.*}} <col:23> 'int' <LValueToRValue>
  54 // CHECK-NEXT: |       | | |   `-DeclRefExpr {{.*}} <col:23> 'int' lvalue ParmVar {{.*}} 'x' 'int'
  55 // CHECK-NEXT: |       | | |-UnaryOperator {{.*}} <col:26, col:27> 'int' postfix '++'
  56 // CHECK-NEXT: |       | | | `-DeclRefExpr {{.*}} <col:26> 'int' lvalue Var {{.*}} 'i' 'int'
  57 // CHECK-NEXT: |       | | `-NullStmt {{.*}} <line:6:5>
  58 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <line:4:1> col:1 implicit .global_tid. 'const int *const restrict'
  59 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit .bound_tid. 'const int *const restrict'
  60 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit __context 'struct (unnamed at {{.*}}ast-dump-openmp-parallel-for.c:4:1) *const restrict'
  61 // CHECK-NEXT: |       | `-VarDecl {{.*}} <line:5:8, col:16> col:12 used i 'int' cinit
  62 // CHECK-NEXT: |       |   `-IntegerLiteral {{.*}} <col:16> 'int' 0
  63 // CHECK-NEXT: |       `-DeclRefExpr {{.*}} <col:3> 'int' lvalue ParmVar {{.*}} 'x' 'int'
  64 // CHECK-NEXT: |-FunctionDecl {{.*}} <line:9:1, line:14:1> line:9:6 test_two 'void (int, int)'
  65 // CHECK-NEXT: | |-ParmVarDecl {{.*}} <col:15, col:19> col:19 used x 'int'
  66 // CHECK-NEXT: | |-ParmVarDecl {{.*}} <col:22, col:26> col:26 used y 'int'
  67 // CHECK-NEXT: | `-CompoundStmt {{.*}} <col:29, line:14:1>
  68 // CHECK-NEXT: |   `-OMPParallelForDirective {{.*}} <line:10:1, col:25>
  69 // CHECK-NEXT: |     `-CapturedStmt {{.*}} <line:11:3, line:13:7>
  70 // CHECK-NEXT: |       |-CapturedDecl {{.*}} <<invalid sloc>> <invalid sloc> nothrow
  71 // CHECK-NEXT: |       | |-ForStmt {{.*}} <line:11:3, line:13:7>
  72 // CHECK-NEXT: |       | | |-DeclStmt {{.*}} <line:11:8, col:17>
  73 // CHECK-NEXT: |       | | | `-VarDecl {{.*}} <col:8, col:16> col:12 used i 'int' cinit
  74 // CHECK-NEXT: |       | | |   `-IntegerLiteral {{.*}} <col:16> 'int' 0
  75 // CHECK-NEXT: |       | | |-<<<NULL>>>
  76 // CHECK-NEXT: |       | | |-BinaryOperator {{.*}} <col:19, col:23> 'int' '<'
  77 // CHECK-NEXT: |       | | | |-ImplicitCastExpr {{.*}} <col:19> 'int' <LValueToRValue>
  78 // CHECK-NEXT: |       | | | | `-DeclRefExpr {{.*}} <col:19> 'int' lvalue Var {{.*}} 'i' 'int'
  79 // CHECK-NEXT: |       | | | `-ImplicitCastExpr {{.*}} <col:23> 'int' <LValueToRValue>
  80 // CHECK-NEXT: |       | | |   `-DeclRefExpr {{.*}} <col:23> 'int' lvalue ParmVar {{.*}} 'x' 'int'
  81 // CHECK-NEXT: |       | | |-UnaryOperator {{.*}} <col:26, col:27> 'int' postfix '++'
  82 // CHECK-NEXT: |       | | | `-DeclRefExpr {{.*}} <col:26> 'int' lvalue Var {{.*}} 'i' 'int'
  83 // CHECK-NEXT: |       | | `-ForStmt {{.*}} <line:12:5, line:13:7>
  84 // CHECK-NEXT: |       | |   |-DeclStmt {{.*}} <line:12:10, col:19>
  85 // CHECK-NEXT: |       | |   | `-VarDecl {{.*}} <col:10, col:18> col:14 used i 'int' cinit
  86 // CHECK-NEXT: |       | |   |   `-IntegerLiteral {{.*}} <col:18> 'int' 0
  87 // CHECK-NEXT: |       | |   |-<<<NULL>>>
  88 // CHECK-NEXT: |       | |   |-BinaryOperator {{.*}} <col:21, col:25> 'int' '<'
  89 // CHECK-NEXT: |       | |   | |-ImplicitCastExpr {{.*}} <col:21> 'int' <LValueToRValue>
  90 // CHECK-NEXT: |       | |   | | `-DeclRefExpr {{.*}} <col:21> 'int' lvalue Var {{.*}} 'i' 'int'
  91 // CHECK-NEXT: |       | |   | `-ImplicitCastExpr {{.*}} <col:25> 'int' <LValueToRValue>
  92 // CHECK-NEXT: |       | |   |   `-DeclRefExpr {{.*}} <col:25> 'int' lvalue ParmVar {{.*}} 'y' 'int'
  93 // CHECK-NEXT: |       | |   |-UnaryOperator {{.*}} <col:28, col:29> 'int' postfix '++'
  94 // CHECK-NEXT: |       | |   | `-DeclRefExpr {{.*}} <col:28> 'int' lvalue Var {{.*}} 'i' 'int'
  95 // CHECK-NEXT: |       | |   `-NullStmt {{.*}} <line:13:7>
  96 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <line:10:1> col:1 implicit .global_tid. 'const int *const restrict'
  97 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit .bound_tid. 'const int *const restrict'
  98 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit __context 'struct (unnamed at {{.*}}ast-dump-openmp-parallel-for.c:10:1) *const restrict'
  99 // CHECK-NEXT: |       | |-VarDecl {{.*}} <line:11:8, col:16> col:12 used i 'int' cinit
 100 // CHECK-NEXT: |       | | `-IntegerLiteral {{.*}} <col:16> 'int' 0
 101 // CHECK-NEXT: |       | `-VarDecl {{.*}} <line:12:10, col:18> col:14 used i 'int' cinit
 102 // CHECK-NEXT: |       |   `-IntegerLiteral {{.*}} <col:18> 'int' 0
 103 // CHECK-NEXT: |       |-DeclRefExpr {{.*}} <line:11:3> 'int' lvalue ParmVar {{.*}} 'x' 'int'
 104 // CHECK-NEXT: |       `-DeclRefExpr {{.*}} <line:12:25> 'int' lvalue ParmVar {{.*}} 'y' 'int'
 105 // CHECK-NEXT: |-FunctionDecl {{.*}} <line:16:1, line:21:1> line:16:6 test_three 'void (int, int)'
 106 // CHECK-NEXT: | |-ParmVarDecl {{.*}} <col:17, col:21> col:21 used x 'int'
 107 // CHECK-NEXT: | |-ParmVarDecl {{.*}} <col:24, col:28> col:28 used y 'int'
 108 // CHECK-NEXT: | `-CompoundStmt {{.*}} <col:31, line:21:1>
 109 // CHECK-NEXT: |   `-OMPParallelForDirective {{.*}} <line:17:1, col:37>
 110 // CHECK-NEXT: |     |-OMPCollapseClause {{.*}} <col:26, col:36>
 111 // CHECK-NEXT: |     | `-ConstantExpr {{.*}} <col:35> 'int'
 112 // CHECK-NEXT: |     | |-value: Int 1
 113 // CHECK-NEXT: |     |   `-IntegerLiteral {{.*}} <col:35> 'int' 1
 114 // CHECK-NEXT: |     `-CapturedStmt {{.*}} <line:18:3, line:20:7>
 115 // CHECK-NEXT: |       |-CapturedDecl {{.*}} <<invalid sloc>> <invalid sloc> nothrow
 116 // CHECK-NEXT: |       | |-ForStmt {{.*}} <line:18:3, line:20:7>
 117 // CHECK-NEXT: |       | | |-DeclStmt {{.*}} <line:18:8, col:17>
 118 // CHECK-NEXT: |       | | | `-VarDecl {{.*}} <col:8, col:16> col:12 used i 'int' cinit
 119 // CHECK-NEXT: |       | | |   `-IntegerLiteral {{.*}} <col:16> 'int' 0
 120 // CHECK-NEXT: |       | | |-<<<NULL>>>
 121 // CHECK-NEXT: |       | | |-BinaryOperator {{.*}} <col:19, col:23> 'int' '<'
 122 // CHECK-NEXT: |       | | | |-ImplicitCastExpr {{.*}} <col:19> 'int' <LValueToRValue>
 123 // CHECK-NEXT: |       | | | | `-DeclRefExpr {{.*}} <col:19> 'int' lvalue Var {{.*}} 'i' 'int'
 124 // CHECK-NEXT: |       | | | `-ImplicitCastExpr {{.*}} <col:23> 'int' <LValueToRValue>
 125 // CHECK-NEXT: |       | | |   `-DeclRefExpr {{.*}} <col:23> 'int' lvalue ParmVar {{.*}} 'x' 'int'
 126 // CHECK-NEXT: |       | | |-UnaryOperator {{.*}} <col:26, col:27> 'int' postfix '++'
 127 // CHECK-NEXT: |       | | | `-DeclRefExpr {{.*}} <col:26> 'int' lvalue Var {{.*}} 'i' 'int'
 128 // CHECK-NEXT: |       | | `-ForStmt {{.*}} <line:19:5, line:20:7>
 129 // CHECK-NEXT: |       | |   |-DeclStmt {{.*}} <line:19:10, col:19>
 130 // CHECK-NEXT: |       | |   | `-VarDecl {{.*}} <col:10, col:18> col:14 used i 'int' cinit
 131 // CHECK-NEXT: |       | |   |   `-IntegerLiteral {{.*}} <col:18> 'int' 0
 132 // CHECK-NEXT: |       | |   |-<<<NULL>>>
 133 // CHECK-NEXT: |       | |   |-BinaryOperator {{.*}} <col:21, col:25> 'int' '<'
 134 // CHECK-NEXT: |       | |   | |-ImplicitCastExpr {{.*}} <col:21> 'int' <LValueToRValue>
 135 // CHECK-NEXT: |       | |   | | `-DeclRefExpr {{.*}} <col:21> 'int' lvalue Var {{.*}} 'i' 'int'
 136 // CHECK-NEXT: |       | |   | `-ImplicitCastExpr {{.*}} <col:25> 'int' <LValueToRValue>
 137 // CHECK-NEXT: |       | |   |   `-DeclRefExpr {{.*}} <col:25> 'int' lvalue ParmVar {{.*}} 'y' 'int'
 138 // CHECK-NEXT: |       | |   |-UnaryOperator {{.*}} <col:28, col:29> 'int' postfix '++'
 139 // CHECK-NEXT: |       | |   | `-DeclRefExpr {{.*}} <col:28> 'int' lvalue Var {{.*}} 'i' 'int'
 140 // CHECK-NEXT: |       | |   `-NullStmt {{.*}} <line:20:7>
 141 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <line:17:1> col:1 implicit .global_tid. 'const int *const restrict'
 142 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit .bound_tid. 'const int *const restrict'
 143 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit __context 'struct (unnamed at {{.*}}ast-dump-openmp-parallel-for.c:17:1) *const restrict'
 144 // CHECK-NEXT: |       | |-VarDecl {{.*}} <line:18:8, col:16> col:12 used i 'int' cinit
 145 // CHECK-NEXT: |       | | `-IntegerLiteral {{.*}} <col:16> 'int' 0
 146 // CHECK-NEXT: |       | `-VarDecl {{.*}} <line:19:10, col:18> col:14 used i 'int' cinit
 147 // CHECK-NEXT: |       |   `-IntegerLiteral {{.*}} <col:18> 'int' 0
 148 // CHECK-NEXT: |       |-DeclRefExpr {{.*}} <line:18:3> 'int' lvalue ParmVar {{.*}} 'x' 'int'
 149 // CHECK-NEXT: |       `-DeclRefExpr {{.*}} <line:19:25> 'int' lvalue ParmVar {{.*}} 'y' 'int'
 150 // CHECK-NEXT: |-FunctionDecl {{.*}} <line:23:1, line:28:1> line:23:6 test_four 'void (int, int)'
 151 // CHECK-NEXT: | |-ParmVarDecl {{.*}} <col:16, col:20> col:20 used x 'int'
 152 // CHECK-NEXT: | |-ParmVarDecl {{.*}} <col:23, col:27> col:27 used y 'int'
 153 // CHECK-NEXT: | `-CompoundStmt {{.*}} <col:30, line:28:1>
 154 // CHECK-NEXT: |   `-OMPParallelForDirective {{.*}} <line:24:1, col:37>
 155 // CHECK-NEXT: |     |-OMPCollapseClause {{.*}} <col:26, col:36>
 156 // CHECK-NEXT: |     | `-ConstantExpr {{.*}} <col:35> 'int'
 157 // CHECK-NEXT: |     | |-value: Int 2
 158 // CHECK-NEXT: |     |   `-IntegerLiteral {{.*}} <col:35> 'int' 2
 159 // CHECK-NEXT: |     `-CapturedStmt {{.*}} <line:25:3, line:27:7>
 160 // CHECK-NEXT: |       |-CapturedDecl {{.*}} <<invalid sloc>> <invalid sloc> nothrow
 161 // CHECK-NEXT: |       | |-ForStmt {{.*}} <line:25:3, line:27:7>
 162 // CHECK-NEXT: |       | | |-DeclStmt {{.*}} <line:25:8, col:17>
 163 // CHECK-NEXT: |       | | | `-VarDecl {{.*}} <col:8, col:16> col:12 used i 'int' cinit
 164 // CHECK-NEXT: |       | | |   `-IntegerLiteral {{.*}} <col:16> 'int' 0
 165 // CHECK-NEXT: |       | | |-<<<NULL>>>
 166 // CHECK-NEXT: |       | | |-BinaryOperator {{.*}} <col:19, col:23> 'int' '<'
 167 // CHECK-NEXT: |       | | | |-ImplicitCastExpr {{.*}} <col:19> 'int' <LValueToRValue>
 168 // CHECK-NEXT: |       | | | | `-DeclRefExpr {{.*}} <col:19> 'int' lvalue Var {{.*}} 'i' 'int'
 169 // CHECK-NEXT: |       | | | `-ImplicitCastExpr {{.*}} <col:23> 'int' <LValueToRValue>
 170 // CHECK-NEXT: |       | | |   `-DeclRefExpr {{.*}} <col:23> 'int' lvalue ParmVar {{.*}} 'x' 'int'
 171 // CHECK-NEXT: |       | | |-UnaryOperator {{.*}} <col:26, col:27> 'int' postfix '++'
 172 // CHECK-NEXT: |       | | | `-DeclRefExpr {{.*}} <col:26> 'int' lvalue Var {{.*}} 'i' 'int'
 173 // CHECK-NEXT: |       | | `-ForStmt {{.*}} <line:26:5, line:27:7>
 174 // CHECK-NEXT: |       | |   |-DeclStmt {{.*}} <line:26:10, col:19>
 175 // CHECK-NEXT: |       | |   | `-VarDecl {{.*}} <col:10, col:18> col:14 used i 'int' cinit
 176 // CHECK-NEXT: |       | |   |   `-IntegerLiteral {{.*}} <col:18> 'int' 0
 177 // CHECK-NEXT: |       | |   |-<<<NULL>>>
 178 // CHECK-NEXT: |       | |   |-BinaryOperator {{.*}} <col:21, col:25> 'int' '<'
 179 // CHECK-NEXT: |       | |   | |-ImplicitCastExpr {{.*}} <col:21> 'int' <LValueToRValue>
 180 // CHECK-NEXT: |       | |   | | `-DeclRefExpr {{.*}} <col:21> 'int' lvalue Var {{.*}} 'i' 'int'
 181 // CHECK-NEXT: |       | |   | `-ImplicitCastExpr {{.*}} <col:25> 'int' <LValueToRValue>
 182 // CHECK-NEXT: |       | |   |   `-DeclRefExpr {{.*}} <col:25> 'int' lvalue ParmVar {{.*}} 'y' 'int'
 183 // CHECK-NEXT: |       | |   |-UnaryOperator {{.*}} <col:28, col:29> 'int' postfix '++'
 184 // CHECK-NEXT: |       | |   | `-DeclRefExpr {{.*}} <col:28> 'int' lvalue Var {{.*}} 'i' 'int'
 185 // CHECK-NEXT: |       | |   `-NullStmt {{.*}} <line:27:7>
 186 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <line:24:1> col:1 implicit .global_tid. 'const int *const restrict'
 187 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit .bound_tid. 'const int *const restrict'
 188 // CHECK-NEXT: |       | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit __context 'struct (unnamed at {{.*}}ast-dump-openmp-parallel-for.c:24:1) *const restrict'
 189 // CHECK-NEXT: |       | |-VarDecl {{.*}} <line:25:8, col:16> col:12 used i 'int' cinit
 190 // CHECK-NEXT: |       | | `-IntegerLiteral {{.*}} <col:16> 'int' 0
 191 // CHECK-NEXT: |       | `-VarDecl {{.*}} <line:26:10, col:18> col:14 used i 'int' cinit
 192 // CHECK-NEXT: |       |   `-IntegerLiteral {{.*}} <col:18> 'int' 0
 193 // CHECK-NEXT: |       |-DeclRefExpr {{.*}} <line:25:3> 'int' lvalue ParmVar {{.*}} 'x' 'int'
 194 // CHECK-NEXT: |       `-DeclRefExpr {{.*}} <line:26:5> 'int' lvalue ParmVar {{.*}} 'y' 'int'
 195 // CHECK-NEXT: `-FunctionDecl {{.*}} <line:30:1, line:36:1> line:30:6 test_five 'void (int, int, int)'
 196 // CHECK-NEXT:   |-ParmVarDecl {{.*}} <col:16, col:20> col:20 used x 'int'
 197 // CHECK-NEXT:   |-ParmVarDecl {{.*}} <col:23, col:27> col:27 used y 'int'
 198 // CHECK-NEXT:   |-ParmVarDecl {{.*}} <col:30, col:34> col:34 used z 'int'
 199 // CHECK-NEXT:   `-CompoundStmt {{.*}} <col:37, line:36:1>
 200 // CHECK-NEXT:     `-OMPParallelForDirective {{.*}} <line:31:1, col:37>
 201 // CHECK-NEXT:       |-OMPCollapseClause {{.*}} <col:26, col:36>
 202 // CHECK-NEXT:       | `-ConstantExpr {{.*}} <col:35> 'int'
 203 // CHECK-NEXT:       | |-value: Int 2
 204 // CHECK-NEXT:       |   `-IntegerLiteral {{.*}} <col:35> 'int' 2
 205 // CHECK-NEXT:       `-CapturedStmt {{.*}} <line:32:3, line:35:9>
 206 // CHECK-NEXT:         |-CapturedDecl {{.*}} <<invalid sloc>> <invalid sloc> nothrow
 207 // CHECK-NEXT:         | |-ForStmt {{.*}} <line:32:3, line:35:9>
 208 // CHECK-NEXT:         | | |-DeclStmt {{.*}} <line:32:8, col:17>
 209 // CHECK-NEXT:         | | | `-VarDecl {{.*}} <col:8, col:16> col:12 used i 'int' cinit
 210 // CHECK-NEXT:         | | |   `-IntegerLiteral {{.*}} <col:16> 'int' 0
 211 // CHECK-NEXT:         | | |-<<<NULL>>>
 212 // CHECK-NEXT:         | | |-BinaryOperator {{.*}} <col:19, col:23> 'int' '<'
 213 // CHECK-NEXT:         | | | |-ImplicitCastExpr {{.*}} <col:19> 'int' <LValueToRValue>
 214 // CHECK-NEXT:         | | | | `-DeclRefExpr {{.*}} <col:19> 'int' lvalue Var {{.*}} 'i' 'int'
 215 // CHECK-NEXT:         | | | `-ImplicitCastExpr {{.*}} <col:23> 'int' <LValueToRValue>
 216 // CHECK-NEXT:         | | |   `-DeclRefExpr {{.*}} <col:23> 'int' lvalue ParmVar {{.*}} 'x' 'int'
 217 // CHECK-NEXT:         | | |-UnaryOperator {{.*}} <col:26, col:27> 'int' postfix '++'
 218 // CHECK-NEXT:         | | | `-DeclRefExpr {{.*}} <col:26> 'int' lvalue Var {{.*}} 'i' 'int'
 219 // CHECK-NEXT:         | | `-ForStmt {{.*}} <line:33:5, line:35:9>
 220 // CHECK-NEXT:         | |   |-DeclStmt {{.*}} <line:33:10, col:19>
 221 // CHECK-NEXT:         | |   | `-VarDecl {{.*}} <col:10, col:18> col:14 used i 'int' cinit
 222 // CHECK-NEXT:         | |   |   `-IntegerLiteral {{.*}} <col:18> 'int' 0
 223 // CHECK-NEXT:         | |   |-<<<NULL>>>
 224 // CHECK-NEXT:         | |   |-BinaryOperator {{.*}} <col:21, col:25> 'int' '<'
 225 // CHECK-NEXT:         | |   | |-ImplicitCastExpr {{.*}} <col:21> 'int' <LValueToRValue>
 226 // CHECK-NEXT:         | |   | | `-DeclRefExpr {{.*}} <col:21> 'int' lvalue Var {{.*}} 'i' 'int'
 227 // CHECK-NEXT:         | |   | `-ImplicitCastExpr {{.*}} <col:25> 'int' <LValueToRValue>
 228 // CHECK-NEXT:         | |   |   `-DeclRefExpr {{.*}} <col:25> 'int' lvalue ParmVar {{.*}} 'y' 'int'
 229 // CHECK-NEXT:         | |   |-UnaryOperator {{.*}} <col:28, col:29> 'int' postfix '++'
 230 // CHECK-NEXT:         | |   | `-DeclRefExpr {{.*}} <col:28> 'int' lvalue Var {{.*}} 'i' 'int'
 231 // CHECK-NEXT:         | |   `-ForStmt {{.*}} <line:34:7, line:35:9>
 232 // CHECK-NEXT:         | |     |-DeclStmt {{.*}} <line:34:12, col:21>
 233 // CHECK-NEXT:         | |     | `-VarDecl {{.*}} <col:12, col:20> col:16 used i 'int' cinit
 234 // CHECK-NEXT:         | |     |   `-IntegerLiteral {{.*}} <col:20> 'int' 0
 235 // CHECK-NEXT:         | |     |-<<<NULL>>>
 236 // CHECK-NEXT:         | |     |-BinaryOperator {{.*}} <col:23, col:27> 'int' '<'
 237 // CHECK-NEXT:         | |     | |-ImplicitCastExpr {{.*}} <col:23> 'int' <LValueToRValue>
 238 // CHECK-NEXT:         | |     | | `-DeclRefExpr {{.*}} <col:23> 'int' lvalue Var {{.*}} 'i' 'int'
 239 // CHECK-NEXT:         | |     | `-ImplicitCastExpr {{.*}} <col:27> 'int' <LValueToRValue>
 240 // CHECK-NEXT:         | |     |   `-DeclRefExpr {{.*}} <col:27> 'int' lvalue ParmVar {{.*}} 'z' 'int'
 241 // CHECK-NEXT:         | |     |-UnaryOperator {{.*}} <col:30, col:31> 'int' postfix '++'
 242 // CHECK-NEXT:         | |     | `-DeclRefExpr {{.*}} <col:30> 'int' lvalue Var {{.*}} 'i' 'int'
 243 // CHECK-NEXT:         | |     `-NullStmt {{.*}} <line:35:9>
 244 // CHECK-NEXT:         | |-ImplicitParamDecl {{.*}} <line:31:1> col:1 implicit .global_tid. 'const int *const restrict'
 245 // CHECK-NEXT:         | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit .bound_tid. 'const int *const restrict'
 246 // CHECK-NEXT:         | |-ImplicitParamDecl {{.*}} <col:1> col:1 implicit __context 'struct (unnamed at {{.*}}ast-dump-openmp-parallel-for.c:31:1) *const restrict'
 247 // CHECK-NEXT:         | |-VarDecl {{.*}} <line:32:8, col:16> col:12 used i 'int' cinit
 248 // CHECK-NEXT:         | | `-IntegerLiteral {{.*}} <col:16> 'int' 0
 249 // CHECK-NEXT:         | |-VarDecl {{.*}} <line:33:10, col:18> col:14 used i 'int' cinit
 250 // CHECK-NEXT:         | | `-IntegerLiteral {{.*}} <col:18> 'int' 0
 251 // CHECK-NEXT:         | `-VarDecl {{.*}} <line:34:12, col:20> col:16 used i 'int' cinit
 252 // CHECK-NEXT:         |   `-IntegerLiteral {{.*}} <col:20> 'int' 0
 253 // CHECK-NEXT:         |-DeclRefExpr {{.*}} <line:32:3> 'int' lvalue ParmVar {{.*}} 'x' 'int'
 254 // CHECK-NEXT:         |-DeclRefExpr {{.*}} <line:33:5> 'int' lvalue ParmVar {{.*}} 'y' 'int'
 255 // CHECK-NEXT:         `-DeclRefExpr {{.*}} <line:34:27> 'int' lvalue ParmVar {{.*}} 'z' 'int'