d2ee4c6ddb
Bitfields are represented as LF_MEMBER records whose TypeIndex points to an LF_BITFIELD record that describes the bit width, bit offset, and underlying type of the bitfield. All we need to do is resolve these when resolving record types. llvm-svn: 346511
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// clang-format off
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// REQUIRES: lld
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// Test various interesting cases for AST reconstruction.
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// RUN: clang-cl /Z7 /GS- /GR- /std:c++latest -Xclang -fkeep-static-consts /c /Fo%t.obj -- %s
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// RUN: lld-link /DEBUG /nodefaultlib /entry:main /OUT:%t.exe /PDB:%t.pdb -- %t.obj
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// RUN: env LLDB_USE_NATIVE_PDB_READER=1 lldb -f %t.exe -s \
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// RUN: %p/Inputs/bitfields.lldbinit 2>&1 | FileCheck %s
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// Test trivial versions of each tag type.
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struct Struct {
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int A : 5 = 6;
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int B : 7 = 8;
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unsigned C : 3 = 2;
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unsigned D : 15 = 12345;
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char E : 1 = 0;
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char F : 2 = 1;
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char G : 3 = 2;
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// H should be at offset 0 of a new byte.
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char H : 3 = 3;
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};
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constexpr Struct TheStruct;
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int main(int argc, char **argv) {
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return TheStruct.A;
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}
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// CHECK: (lldb) target variable -T TheStruct
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// CHECK: (const Struct) TheStruct = {
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// CHECK: (int:5) A = 6
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// CHECK: (int:7) B = 8
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// CHECK: (unsigned int:3) C = 2
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// CHECK: (unsigned int:15) D = 12345
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// CHECK: (char:1) E = '\0'
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// CHECK: (char:2) F = '\x01'
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// CHECK: (char:3) G = '\x02'
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// CHECK: (char:3) H = '\x03'
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// CHECK: }
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//
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// CHECK: target modules dump ast
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// CHECK: Dumping clang ast for 1 modules.
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// CHECK: TranslationUnitDecl {{.*}}
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// CHECK: |-CXXRecordDecl {{.*}} struct Struct definition
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// CHECK: | |-FieldDecl {{.*}} A 'int'
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// CHECK: | | `-IntegerLiteral {{.*}} 'int' 5
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// CHECK: | |-FieldDecl {{.*}} B 'int'
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// CHECK: | | `-IntegerLiteral {{.*}} 'int' 7
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// CHECK: | |-FieldDecl {{.*}} C 'unsigned int'
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// CHECK: | | `-IntegerLiteral {{.*}} 'int' 3
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// CHECK: | |-FieldDecl {{.*}} D 'unsigned int'
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// CHECK: | | `-IntegerLiteral {{.*}} 'int' 15
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// CHECK: | |-FieldDecl {{.*}} E 'char'
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// CHECK: | | `-IntegerLiteral {{.*}} 'int' 1
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// CHECK: | |-FieldDecl {{.*}} F 'char'
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// CHECK: | | `-IntegerLiteral {{.*}} 'int' 2
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// CHECK: | |-FieldDecl {{.*}} G 'char'
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// CHECK: | | `-IntegerLiteral {{.*}} 'int' 3
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// CHECK: | `-FieldDecl {{.*}} H 'char'
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// CHECK: | `-IntegerLiteral {{.*}} 'int' 3
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