clang/test/Frontend/rewrite-includes-conditions.c

   1 // RUN: %clang_cc1 -E -frewrite-includes -I %S/Inputs %s -o - | FileCheck -strict-whitespace %s
   2 // RUN: %clang_cc1 -E -frewrite-includes -I %S/Inputs %s -o - | %clang_cc1 -Wall -Wextra -Wconversion -x c -fsyntax-only 2>&1 | FileCheck -check-prefix=COMPILE --implicit-check-not warning: %s
   3
   4 #define value1 1
   5 #if value1
   6 int line1;
   7 #else
   8 int line2;
   9 #endif
  10
  11 #define value2 2
  12
  13 #if value1 == value2
  14 int line3;
  15 #elif value1 > value2
  16 int line4;
  17 #elif value1 < value2
  18 int line5;
  19 #else
  20 int line6;
  21 #endif
  22
  23 #if __has_include(<rewrite-includes3.h>)
  24 #include <rewrite-includes3.h>
  25 #endif
  26
  27 #define HAS_INCLUDE(x) __has_include(x)
  28
  29 #if HAS_INCLUDE(<rewrite-includes1.h>)
  30 #endif
  31
  32 /*
  33 #if value1
  34 commented out
  35 */
  36
  37 #if value1 < value2 \
  38 || value1 != value2
  39 int line7;
  40 #endif
  41
  42 #if value1 /*
  43 */
  44 #endif
  45
  46 static int unused;
  47
  48 // ENDCOMPARE
  49
  50 // CHECK: #if 0 /* disabled by -frewrite-includes */
  51 // CHECK-NEXT: #if value1
  52 // CHECK-NEXT: #endif
  53 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
  54 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
  55 // CHECK-NEXT: # 6 "{{.*}}rewrite-includes-conditions.c"
  56
  57 // CHECK: #if 0 /* disabled by -frewrite-includes */
  58 // CHECK-NEXT: #if value1 == value2
  59 // CHECK-NEXT: #endif
  60 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
  61 // CHECK-NEXT: #if 0 /* evaluated by -frewrite-includes */
  62 // CHECK-NEXT: # 14 "{{.*}}rewrite-includes-conditions.c"
  63
  64 // CHECK: #if 0 /* disabled by -frewrite-includes */
  65 // CHECK-NEXT: #if 0
  66 // CHECK-NEXT: #elif value1 > value2
  67 // CHECK-NEXT: #endif
  68 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
  69 // CHECK-NEXT: #elif 0 /* evaluated by -frewrite-includes */
  70 // CHECK-NEXT: # 16 "{{.*}}rewrite-includes-conditions.c"
  71
  72 // CHECK: #if 0 /* disabled by -frewrite-includes */
  73 // CHECK-NEXT: #if 0
  74 // CHECK-NEXT: #elif value1 < value2
  75 // CHECK-NEXT: #endif
  76 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
  77 // CHECK-NEXT: #elif 1 /* evaluated by -frewrite-includes */
  78 // CHECK-NEXT: # 18 "{{.*}}rewrite-includes-conditions.c"
  79
  80 // CHECK: #if 0 /* disabled by -frewrite-includes */
  81 // CHECK-NEXT: #if __has_include(<rewrite-includes3.h>)
  82 // CHECK-NEXT: #endif
  83 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
  84 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
  85 // CHECK-NEXT: # 24 "{{.*}}rewrite-includes-conditions.c"
  86
  87 // CHECK: #if 0 /* disabled by -frewrite-includes */
  88 // CHECK-NEXT: #if HAS_INCLUDE(<rewrite-includes1.h>)
  89 // CHECK-NEXT: #endif
  90 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
  91 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
  92 // CHECK-NEXT: # 30 "{{.*}}rewrite-includes-conditions.c"
  93
  94 // CHECK: #if 0 /* disabled by -frewrite-includes */
  95 // CHECK-NEXT: #if value1 < value2 \
  96 // CHECK-NEXT: || value1 != value2
  97 // CHECK-NEXT: #endif
  98 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
  99 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
 100 // CHECK-NEXT: # 39 "{{.*}}rewrite-includes-conditions.c"
 101
 102 // CHECK: #if 0 /* disabled by -frewrite-includes */
 103 // CHECK-NEXT: #if value1 /*
 104 // CHECK-NEXT: */
 105 // CHECK-NEXT: #endif
 106 // CHECK-NEXT: #endif /* disabled by -frewrite-includes */
 107 // CHECK-NEXT: #if 1 /* evaluated by -frewrite-includes */
 108 // CHECK-NEXT: # 44 "{{.*}}rewrite-includes-conditions.c"
 109
 110 // CHECK: {{^}}// ENDCOMPARE{{$}}
 111
 112 // COMPILE: Inputs{{[/\\]}}rewrite-includes3.h:1:31: warning: implicit conversion changes signedness:
 113 // COMPILE: rewrite-includes-conditions.c:46:12: warning: unused variable 'unused'