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carbon-lang
/
toolchain
/
lower
/
testdata
/
function
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generic
/
call_deref_ptr.carbon

call_deref_ptr.carbon 7.8 KB
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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
    2. 

  2. // Exceptions. See /LICENSE for license information.
    3. 

  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
    4. 

  4. //
    5. 

  5. // AUTOUPDATE
    6. 

  6. // TIP: To test this file alone, run:
    7. 

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/function/generic/call_deref_ptr.carbon
    8. 

  8. // TIP: To dump output, run:
    9. 

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/function/generic/call_deref_ptr.carbon
    10. 

  10. 

  11. // Builds on call_basic.carbon and call_impl_function.carbon.
    12. 

  12. // Test that when equivalence is found for the specific fingerprint, we don't
    13. 

  13. // conclude "equivalent" for all the call graph. This is to account for
    14. 

  14. // switching to a work-queue from recursion.
    15. 

  15. 

  16. fn A[U:! type](x: U) -> U {
    17. 

  17.   return x;
    18. 

  18. }
    19. 

  19. 

  20. fn D[U:! type](x: U) -> U {
    21. 

  21.   return x;
    22. 

  22. }
    23. 

  23. 

  24. fn B[U:! type](x: U*) {
    25. 

  25.   D(*x);
    26. 

  26. }
    27. 

  27. 

  28. fn F[T:! type](x: T*) {
    29. 

  29.   A(i32);
    30. 

  30.   B(x);
    31. 

  31. }
    32. 

  32. 

  33. fn M() {
    34. 

  34.   var ptr_i32 : i32*;
    35. 

  35.   var ptr_f64 : f64*;
    36. 

  36. 

  37.   F(ptr_i32);
    38. 

  38.   F(ptr_f64);
    39. 

  39. }
    40. 

  40. 

  41. 

  42. // CHECK:STDOUT: ; ModuleID = 'call_deref_ptr.carbon'
    43. 

  43. // CHECK:STDOUT: source_filename = "call_deref_ptr.carbon"
    44. 

  44. // CHECK:STDOUT:
    45. 

  45. // CHECK:STDOUT: %type = type {}
    46. 

  46. // CHECK:STDOUT:
    47. 

  47. // CHECK:STDOUT: define void @_CM.Main() !dbg !4 {
    48. 

  48. // CHECK:STDOUT: entry:
    49. 

  49. // CHECK:STDOUT:   %ptr_i32.var = alloca ptr, align 8, !dbg !7
    50. 

  50. // CHECK:STDOUT:   %ptr_f64.var = alloca ptr, align 8, !dbg !8
    51. 

  51. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %ptr_i32.var), !dbg !7
    52. 

  52. // CHECK:STDOUT:   call void @llvm.lifetime.start.p0(i64 8, ptr %ptr_f64.var), !dbg !8
    53. 

  53. // CHECK:STDOUT:   %.loc37 = load ptr, ptr %ptr_i32.var, align 8, !dbg !9
    54. 

  54. // CHECK:STDOUT:   call void @_CF.Main.b88d1103f417c6d4(ptr %.loc37), !dbg !10
    55. 

  55. // CHECK:STDOUT:   %.loc38 = load ptr, ptr %ptr_f64.var, align 8, !dbg !11
    56. 

  56. // CHECK:STDOUT:   call void @_CF.Main.66be507887ceee78(ptr %.loc38), !dbg !12
    57. 

  57. // CHECK:STDOUT:   ret void, !dbg !13
    58. 

  58. // CHECK:STDOUT: }
    59. 

  59. // CHECK:STDOUT:
    60. 

  60. // CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
    61. 

  61. // CHECK:STDOUT: declare void @llvm.lifetime.start.p0(i64 immarg, ptr captures(none)) #0
    62. 

  62. // CHECK:STDOUT:
    63. 

  63. // CHECK:STDOUT: define linkonce_odr void @_CF.Main.b88d1103f417c6d4(ptr %x) !dbg !14 {
    64. 

  64. // CHECK:STDOUT: entry:
    65. 

  65. // CHECK:STDOUT:   %A.call = call %type @_CA.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !15
    66. 

  66. // CHECK:STDOUT:   call void @_CB.Main.b88d1103f417c6d4(ptr %x), !dbg !16
    67. 

  67. // CHECK:STDOUT:   ret void, !dbg !17
    68. 

  68. // CHECK:STDOUT: }
    69. 

  69. // CHECK:STDOUT:
    70. 

  70. // CHECK:STDOUT: define linkonce_odr void @_CF.Main.66be507887ceee78(ptr %x) !dbg !18 {
    71. 

  71. // CHECK:STDOUT: entry:
    72. 

  72. // CHECK:STDOUT:   %A.call = call %type @_CA.Main.5754c7a55c7cbe4a(%type zeroinitializer), !dbg !19
    73. 

  73. // CHECK:STDOUT:   call void @_CB.Main.66be507887ceee78(ptr %x), !dbg !20
    74. 

  74. // CHECK:STDOUT:   ret void, !dbg !21
    75. 

  75. // CHECK:STDOUT: }
    76. 

  76. // CHECK:STDOUT:
    77. 

  77. // CHECK:STDOUT: define linkonce_odr %type @_CA.Main.5754c7a55c7cbe4a(%type %x) !dbg !22 {
    78. 

  78. // CHECK:STDOUT: entry:
    79. 

  79. // CHECK:STDOUT:   ret %type %x, !dbg !23
    80. 

  80. // CHECK:STDOUT: }
    81. 

  81. // CHECK:STDOUT:
    82. 

  82. // CHECK:STDOUT: define linkonce_odr void @_CB.Main.b88d1103f417c6d4(ptr %x) !dbg !24 {
    83. 

  83. // CHECK:STDOUT: entry:
    84. 

  84. // CHECK:STDOUT:   %.loc25_5.2 = load i32, ptr %x, align 4, !dbg !25
    85. 

  85. // CHECK:STDOUT:   %D.call = call i32 @_CD.Main.b88d1103f417c6d4(i32 %.loc25_5.2), !dbg !26
    86. 

  86. // CHECK:STDOUT:   ret void, !dbg !27
    87. 

  87. // CHECK:STDOUT: }
    88. 

  88. // CHECK:STDOUT:
    89. 

  89. // CHECK:STDOUT: define linkonce_odr void @_CB.Main.66be507887ceee78(ptr %x) !dbg !28 {
    90. 

  90. // CHECK:STDOUT: entry:
    91. 

  91. // CHECK:STDOUT:   %.loc25_5.2 = load double, ptr %x, align 8, !dbg !29
    92. 

  92. // CHECK:STDOUT:   %D.call = call double @_CD.Main.66be507887ceee78(double %.loc25_5.2), !dbg !30
    93. 

  93. // CHECK:STDOUT:   ret void, !dbg !31
    94. 

  94. // CHECK:STDOUT: }
    95. 

  95. // CHECK:STDOUT:
    96. 

  96. // CHECK:STDOUT: define linkonce_odr i32 @_CD.Main.b88d1103f417c6d4(i32 %x) !dbg !32 {
    97. 

  97. // CHECK:STDOUT: entry:
    98. 

  98. // CHECK:STDOUT:   ret i32 %x, !dbg !33
    99. 

  99. // CHECK:STDOUT: }
    100. 

  100. // CHECK:STDOUT:
    101. 

  101. // CHECK:STDOUT: define linkonce_odr double @_CD.Main.66be507887ceee78(double %x) !dbg !34 {
    102. 

  102. // CHECK:STDOUT: entry:
    103. 

  103. // CHECK:STDOUT:   ret double %x, !dbg !35
    104. 

  104. // CHECK:STDOUT: }
    105. 

  105. // CHECK:STDOUT:
    106. 

  106. // CHECK:STDOUT: ; uselistorder directives
    107. 

  107. // CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 1, 0 }
    108. 

  108. // CHECK:STDOUT: uselistorder ptr @_CA.Main.5754c7a55c7cbe4a, { 1, 0 }
    109. 

  109. // CHECK:STDOUT:
    110. 

  110. // CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
    113. 

  113. // CHECK:STDOUT: !llvm.dbg.cu = !{!2}
    114. 

  114. // CHECK:STDOUT:
    115. 

  115. // CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
    116. 

  116. // CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
    117. 

  117. // CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
    118. 

  118. // CHECK:STDOUT: !3 = !DIFile(filename: "call_deref_ptr.carbon", directory: "")
    119. 

  119. // CHECK:STDOUT: !4 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !3, line: 33, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    120. 

  120. // CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
    121. 

  121. // CHECK:STDOUT: !6 = !{}
    122. 

  122. // CHECK:STDOUT: !7 = !DILocation(line: 34, column: 3, scope: !4)
    123. 

  123. // CHECK:STDOUT: !8 = !DILocation(line: 35, column: 3, scope: !4)
    124. 

  124. // CHECK:STDOUT: !9 = !DILocation(line: 37, column: 5, scope: !4)
    125. 

  125. // CHECK:STDOUT: !10 = !DILocation(line: 37, column: 3, scope: !4)
    126. 

  126. // CHECK:STDOUT: !11 = !DILocation(line: 38, column: 5, scope: !4)
    127. 

  127. // CHECK:STDOUT: !12 = !DILocation(line: 38, column: 3, scope: !4)
    128. 

  128. // CHECK:STDOUT: !13 = !DILocation(line: 33, column: 1, scope: !4)
    129. 

  129. // CHECK:STDOUT: !14 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.b88d1103f417c6d4", scope: null, file: !3, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    130. 

  130. // CHECK:STDOUT: !15 = !DILocation(line: 29, column: 3, scope: !14)
    131. 

  131. // CHECK:STDOUT: !16 = !DILocation(line: 30, column: 3, scope: !14)
    132. 

  132. // CHECK:STDOUT: !17 = !DILocation(line: 28, column: 1, scope: !14)
    133. 

  133. // CHECK:STDOUT: !18 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.66be507887ceee78", scope: null, file: !3, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    134. 

  134. // CHECK:STDOUT: !19 = !DILocation(line: 29, column: 3, scope: !18)
    135. 

  135. // CHECK:STDOUT: !20 = !DILocation(line: 30, column: 3, scope: !18)
    136. 

  136. // CHECK:STDOUT: !21 = !DILocation(line: 28, column: 1, scope: !18)
    137. 

  137. // CHECK:STDOUT: !22 = distinct !DISubprogram(name: "A", linkageName: "_CA.Main.5754c7a55c7cbe4a", scope: null, file: !3, line: 16, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    138. 

  138. // CHECK:STDOUT: !23 = !DILocation(line: 17, column: 3, scope: !22)
    139. 

  139. // CHECK:STDOUT: !24 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main.b88d1103f417c6d4", scope: null, file: !3, line: 24, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    140. 

  140. // CHECK:STDOUT: !25 = !DILocation(line: 25, column: 5, scope: !24)
    141. 

  141. // CHECK:STDOUT: !26 = !DILocation(line: 25, column: 3, scope: !24)
    142. 

  142. // CHECK:STDOUT: !27 = !DILocation(line: 24, column: 1, scope: !24)
    143. 

  143. // CHECK:STDOUT: !28 = distinct !DISubprogram(name: "B", linkageName: "_CB.Main.66be507887ceee78", scope: null, file: !3, line: 24, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    144. 

  144. // CHECK:STDOUT: !29 = !DILocation(line: 25, column: 5, scope: !28)
    145. 

  145. // CHECK:STDOUT: !30 = !DILocation(line: 25, column: 3, scope: !28)
    146. 

  146. // CHECK:STDOUT: !31 = !DILocation(line: 24, column: 1, scope: !28)
    147. 

  147. // CHECK:STDOUT: !32 = distinct !DISubprogram(name: "D", linkageName: "_CD.Main.b88d1103f417c6d4", scope: null, file: !3, line: 20, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    148. 

  148. // CHECK:STDOUT: !33 = !DILocation(line: 21, column: 3, scope: !32)
    149. 

  149. // CHECK:STDOUT: !34 = distinct !DISubprogram(name: "D", linkageName: "_CD.Main.66be507887ceee78", scope: null, file: !3, line: 20, type: !5, spFlags: DISPFlagDefinition, unit: !2)
    150. 

  150. // CHECK:STDOUT: !35 = !DILocation(line: 21, column: 3, scope: !34)
    151.