clang/test/CodeGenCXX/debug-info-line.cpp

   1 // RUN: %clang_cc1 -w -debug-info-kind=line-tables-only -std=c++11 -fexceptions -fcxx-exceptions -mllvm -no-discriminators -emit-llvm %s -o - -triple %itanium_abi_triple | FileCheck %s
   2 // RUN: %clang_cc1 -w -debug-info-kind=line-tables-only -std=c++11 -fexceptions -fcxx-exceptions -mllvm -no-discriminators -emit-llvm %s -o - -triple i686-linux-gnu | FileCheck %s
   3 // RUN: %clang_cc1 -w -debug-info-kind=line-directives-only -std=c++11 -fexceptions -fcxx-exceptions -mllvm -no-discriminators -emit-llvm %s -o - -triple %itanium_abi_triple | FileCheck %s
   4 // RUN: %clang_cc1 -w -debug-info-kind=line-directives-only -std=c++11 -fexceptions -fcxx-exceptions -mllvm -no-discriminators -emit-llvm %s -o - -triple i686-linux-gnu | FileCheck %s
   5
   6 int &src();
   7 int *sink();
   8 extern "C" __complex float complex_src();
   9 extern "C" __complex float *complex_sink();
  10
  11 // CHECK-LABEL: define
  12 void f1() {
  13   *sink()
  14   // CHECK: store {{.*}}, !dbg [[DBG_F1:!.*]]
  15 #line 100
  16       = //
  17       src();
  18 }
  19
  20 struct foo {
  21   int i;
  22   int &j;
  23   __complex float k;
  24   foo();
  25 };
  26
  27 // CHECK-LABEL: define
  28 foo::foo()
  29     :
  30 #line 200
  31       i // CHECK: store i32 {{.*}} !dbg [[DBG_FOO_VALUE:!.*]]
  32       (src()),
  33       j // CHECK: store ptr {{.*}} !dbg [[DBG_FOO_REF:!.*]]
  34       (src()),
  35       k // CHECK: store float {{.*}} !dbg [[DBG_FOO_COMPLEX:!.*]]
  36       (complex_src()) {
  37 }
  38
  39 // CHECK-LABEL: define {{.*}}f2{{.*}}
  40 void f2() {
  41   // CHECK: store float {{.*}} !dbg [[DBG_F2:!.*]]
  42   *complex_sink()
  43 #line 300
  44       = //
  45       complex_src();
  46 }
  47
  48 // CHECK-LABEL: define
  49 void f3() {
  50   // CHECK: store float {{.*}} !dbg [[DBG_F3:!.*]]
  51   *complex_sink()
  52 #line 400
  53       += //
  54       complex_src();
  55 }
  56
  57 // CHECK-LABEL: define
  58 void f4() {
  59 #line 500
  60   auto x // CHECK: store {{.*}} !dbg [[DBG_F4:!.*]]
  61       = src();
  62 }
  63
  64 // CHECK-LABEL: define
  65 void f5() {
  66 #line 600
  67   auto x // CHECK: store float {{.*}} !dbg [[DBG_F5:!.*]]
  68       = complex_src();
  69 }
  70
  71 struct agg { int i; };
  72 agg agg_src();
  73
  74 // CHECK-LABEL: define
  75 void f6() {
  76   agg x;
  77   // CHECK: call void @llvm.memcpy{{.*}} !dbg [[DBG_F6:!.*]]
  78   x
  79 #line 700
  80       = //
  81       agg_src();
  82 }
  83
  84 // CHECK-LABEL: define
  85 void f7() {
  86   int *src1();
  87   int src2();
  88 #line 800
  89   int x = ( // CHECK: load {{.*}} !dbg [[DBG_F7:!.*]]
  90       src1())[src2()];
  91 }
  92
  93 // CHECK-LABEL: define
  94 void f8() {
  95   int src1[1];
  96   int src2();
  97 #line 900
  98   int x = ( // CHECK: load {{.*}} !dbg [[DBG_F8:!.*]]
  99       src1)[src2()];
 100 }
 101
 102 // CHECK-LABEL: define
 103 void f9(int i) {
 104   int src1[1][i];
 105   int src2();
 106 #line 1000
 107   auto x = ( // CHECK: getelementptr {{.*}} !dbg [[DBG_F9:!.*]]
 108       src1)[src2()];
 109 }
 110
 111 inline void *operator new(decltype(sizeof(1)), void *p) noexcept { return p; }
 112
 113 // CHECK-LABEL: define
 114 void f10() {
 115   void *void_src();
 116   (
 117     // CHECK: store {{.*}} !dbg [[DBG_F10_STORE:!.*]]
 118 #line 1100
 119       new (void_src()) int(src()));
 120 }
 121
 122 // noexcept just to simplify the codegen a bit
 123 void fn() noexcept(true);
 124
 125 struct bar {
 126   bar();
 127   // noexcept(false) to convolute the global dtor
 128   ~bar() noexcept(false);
 129 };
 130 // global ctor cleanup
 131 // CHECK-LABEL: define
 132 // CHECK: invoke{{ }}
 133 // CHECK: invoke{{ }}
 134 // CHECK:   to label {{.*}}, !dbg [[DBG_GLBL_CTOR_B:!.*]]
 135
 136 // terminate caller
 137 // CHECK-LABEL: define
 138
 139 // global dtor cleanup
 140 // CHECK-LABEL: define
 141 // CHECK: invoke{{ }}
 142 // CHECK: invoke{{ }}
 143 // CHECK:   to label {{.*}}, !dbg [[DBG_GLBL_DTOR_B:!.*]]
 144 #line 1200
 145 bar b[1] = { //
 146     (fn(),   //
 147      bar())};
 148
 149 // CHECK-LABEL: define{{.*}}f11
 150 __complex double f11() {
 151   __complex double f;
 152 // CHECK: store {{.*}} !dbg [[DBG_F11:!.*]]
 153 #line 1300
 154   return f;
 155 }
 156
 157 // CHECK-LABEL: define
 158 void f12() {
 159   int f12_1();
 160   void f12_2(int = f12_1());
 161 // CHECK: call {{.*}}{{(signext )?}}i32 noundef {{.*}} !dbg [[DBG_F12:!.*]]
 162 #line 1400
 163   f12_2();
 164 }
 165
 166 // CHECK-LABEL: define
 167 void f13() {
 168 // CHECK: call {{.*}} !dbg [[DBG_F13:!.*]]
 169 #define F13_IMPL 1, src()
 170   1,
 171 #line 1500
 172   F13_IMPL;
 173 }
 174
 175 struct f14_impl {
 176   f14_impl(int);
 177 };
 178
 179 // CHECK-LABEL: define
 180 struct f14_use {
 181 // CHECK: call {{.*}}f14_impl{{.*}}, !dbg [[DBG_F14_CTOR_CALL:![0-9]*]]
 182 #line 1600
 183   f14_impl v{//
 184              1};
 185   f14_use();
 186 };
 187
 188 f14_use::f14_use() = default;
 189
 190 // CHECK-LABEL: define
 191 // CHECK-LABEL: define
 192 void func(foo);
 193 void f15(foo *f) {
 194   func(
 195 // CHECK: getelementptr {{.*}}, !dbg [[DBG_F15:![0-9]*]]
 196 #line 1700
 197       f[3]);
 198 }
 199
 200 // CHECK-LABEL: define
 201 void f16(__complex float f) {
 202   __complex float g = //
 203 // CHECK: add {{.*}}, !dbg [[DBG_F16:![0-9]*]]
 204 #line 1800
 205       f + 1;
 206 }
 207
 208 // CHECK-LABEL: define
 209 void f17(int *x) {
 210   1,
 211 // CHECK: getelementptr {{.*}}, !dbg [[DBG_F17:![0-9]*]]
 212 #line 1900
 213       x[1];
 214 }
 215
 216 // CHECK-LABEL: define
 217 void f18(int a, int b) {
 218 // CHECK: icmp {{.*}}, !dbg [[DBG_F18_1:![0-9]*]]
 219 // CHECK: br {{.*}}, !dbg [[DBG_F18_2:![0-9]*]]
 220 #line 2000
 221   if (a  //
 222       && //
 223       b)
 224     ;
 225 }
 226
 227 // CHECK-LABEL: define
 228 void f19(int a, int b) {
 229 // CHECK: icmp {{.*}}, !dbg [[DBG_F19_1:![0-9]*]]
 230 // CHECK: br {{.*}}, !dbg [[DBG_F19_2:![0-9]*]]
 231 #line 2100
 232   if (a  //
 233       || //
 234       b)
 235     ;
 236 }
 237
 238 // CHECK-LABEL: define
 239 void f20(int a, int b, int c) {
 240 // CHECK: icmp {{.*}}, !dbg [[DBG_F20_1:![0-9]*]]
 241 // FIXME: Conditional operator's exprloc should be the '?' not the start of the
 242 // expression, then this would go in the right place. (but adding getExprLoc to
 243 // the ConditionalOperator breaks the ARC migration tool - need to investigate
 244 // further).
 245 // CHECK: br {{.*}}, !dbg [[DBG_F20_1]]
 246 #line 2200
 247   if (a  //
 248       ? //
 249       b : c)
 250     ;
 251 }
 252
 253 // CHECK-LABEL: define
 254 int f21_a(int = 0);
 255 void f21_b(int = f21_a());
 256 void f21() {
 257 // CHECK: call {{.*}}f21_b{{.*}}, !dbg [[DBG_F21:![0-9]*]]
 258 #line 2300
 259   f21_b();
 260 }
 261
 262 // CHECK-LABEL: define
 263 struct f22_dtor {
 264   ~f22_dtor();
 265 };
 266 void f22() {
 267   {
 268     f22_dtor f;
 269     src();
 270 // CHECK: invoke {{.*}}src
 271 // CHECK: call {{.*}}, !dbg [[DBG_F22:![0-9]*]]
 272 // CHECK: call {{.*}}, !dbg [[DBG_F22]]
 273 #line 2400
 274   }
 275 }
 276
 277 // CHECK-LABEL: define
 278 struct f23_struct {
 279 };
 280 f23_struct f23_a();
 281 void f23_b(f23_struct = f23_a());
 282 void f23() {
 283 // CHECK: call {{.*}}f23_a{{.*}}, !dbg [[DBG_F23:![0-9]*]]
 284 #line 2500
 285   f23_b();
 286 }
 287
 288 // CHECK-LABEL: define
 289 void f24_a(__complex float = complex_src());
 290 void f24() {
 291 // CHECK: call {{.*}}complex_src{{.*}}, !dbg [[DBG_F24:![0-9]*]]
 292 #line 2600
 293   f24_a();
 294 }
 295
 296 // CHECK-LABEL: define
 297 void f25_a(int x = __builtin_LINE()) {}
 298 void f25() {
 299   // CHECK: call void @_Z5f25_ai(i32 noundef {{(signext )?}}2700)
 300 #line 2700
 301   f25_a();
 302 }
 303 // CHECK: [[DBG_F1]] = !DILocation(line: 100,
 304 // CHECK: [[DBG_FOO_VALUE]] = !DILocation(line: 200,
 305 // CHECK: [[DBG_FOO_REF]] = !DILocation(line: 202,
 306 // CHECK: [[DBG_FOO_COMPLEX]] = !DILocation(line: 204,
 307 // CHECK: [[DBG_F2]] = !DILocation(line: 300,
 308 // CHECK: [[DBG_F3]] = !DILocation(line: 400,
 309 // CHECK: [[DBG_F4]] = !DILocation(line: 500,
 310 // CHECK: [[DBG_F5]] = !DILocation(line: 600,
 311 // CHECK: [[DBG_F6]] = !DILocation(line: 700,
 312 // CHECK: [[DBG_F7]] = !DILocation(line: 800,
 313 // CHECK: [[DBG_F8]] = !DILocation(line: 900,
 314 // CHECK: [[DBG_F9]] = !DILocation(line: 1000,
 315 // CHECK: [[DBG_F10_STORE]] = !DILocation(line: 1100,
 316 // CHECK: [[DBG_GLBL_CTOR_B]] = !DILocation(line: 1200,
 317 // CHECK: [[DBG_GLBL_DTOR_B]] = !DILocation(line: 0,
 318 // CHECK: [[DBG_F11]] = !DILocation(line: 1300,
 319 // CHECK: [[DBG_F12]] = !DILocation(line: 1400,
 320 // CHECK: [[DBG_F13]] = !DILocation(line: 1500,
 321 // CHECK: [[DBG_F14_CTOR_CALL]] = !DILocation(line: 1600,
 322 // CHECK: [[DBG_F15]] = !DILocation(line: 1700,
 323 // CHECK: [[DBG_F16]] = !DILocation(line: 1800,
 324 // CHECK: [[DBG_F17]] = !DILocation(line: 1900,
 325 // CHECK: [[DBG_F18_1]] = !DILocation(line: 2000,
 326 // CHECK: [[DBG_F18_2]] = !DILocation(line: 2001,
 327 // CHECK: [[DBG_F19_1]] = !DILocation(line: 2100,
 328 // CHECK: [[DBG_F19_2]] = !DILocation(line: 2101,
 329 // CHECK: [[DBG_F20_1]] = !DILocation(line: 2200,
 330 // CHECK: [[DBG_F23]] = !DILocation(line: 2500,
 331 // CHECK: [[DBG_F24]] = !DILocation(line: 2600,