lldb/test/Shell/SymbolFile/NativePDB/bitfields.cpp

   1 // clang-format off
   2 // REQUIRES: lld, x86
   3
   4 // Test various interesting cases for AST reconstruction.
   5 // RUN: %clang_cl --target=x86_64-windows-msvc -Od -Z7 -c /Fo%t.obj -- %s
   6 // RUN: lld-link -debug:full -nodefaultlib -entry:main %t.obj -out:%t.exe -pdb:%t.pdb
   7 // RUN: %lldb -f %t.exe -s \
   8 // RUN:     %p/Inputs/bitfields.lldbinit 2>&1 | FileCheck %s
   9
  10 // Test trivial versions of each tag type.
  11 struct Struct {
  12   int A : 5 = 6;
  13   int B : 7 = 8;
  14   unsigned C : 3 = 2;
  15   unsigned D : 15 = 12345;
  16   char E : 1 = 0;
  17   char F : 2 = 1;
  18   char G : 3 = 2;
  19   // H should be at offset 0 of a new byte.
  20   char H : 3 = 3;
  21 };
  22
  23 constexpr Struct TheStruct;
  24
  25
  26 int main(int argc, char **argv) {
  27   return TheStruct.A;
  28 }
  29
  30 // CHECK: (lldb) target variable -T TheStruct
  31 // CHECK: (const Struct) TheStruct = {
  32 // CHECK:   (int:5) A = 6
  33 // CHECK:   (int:7) B = 8
  34 // CHECK:   (unsigned int:3) C = 2
  35 // CHECK:   (unsigned int:15) D = 12345
  36 // CHECK:   (char:1) E = '\0'
  37 // CHECK:   (char:2) F = '\x01'
  38 // CHECK:   (char:3) G = '\x02'
  39 // CHECK:   (char:3) H = '\x03'
  40 // CHECK: }
  41 //
  42 // CHECK: target modules dump ast
  43 // CHECK: Dumping clang ast for 1 modules.
  44 // CHECK: TranslationUnitDecl {{.*}}
  45 // CHECK: |-CXXRecordDecl {{.*}} struct Struct definition
  46 // CHECK: | |-FieldDecl {{.*}} A 'int'
  47 // CHECK: | | `-IntegerLiteral {{.*}} 'int' 5
  48 // CHECK: | |-FieldDecl {{.*}} B 'int'
  49 // CHECK: | | `-IntegerLiteral {{.*}} 'int' 7
  50 // CHECK: | |-FieldDecl {{.*}} C 'unsigned int'
  51 // CHECK: | | `-IntegerLiteral {{.*}} 'int' 3
  52 // CHECK: | |-FieldDecl {{.*}} D 'unsigned int'
  53 // CHECK: | | `-IntegerLiteral {{.*}} 'int' 15
  54 // CHECK: | |-FieldDecl {{.*}} E 'char'
  55 // CHECK: | | `-IntegerLiteral {{.*}} 'int' 1
  56 // CHECK: | |-FieldDecl {{.*}} F 'char'
  57 // CHECK: | | `-IntegerLiteral {{.*}} 'int' 2
  58 // CHECK: | |-FieldDecl {{.*}} G 'char'
  59 // CHECK: | | `-IntegerLiteral {{.*}} 'int' 3
  60 // CHECK: | `-FieldDecl {{.*}} H 'char'
  61 // CHECK: |   `-IntegerLiteral {{.*}} 'int' 3