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| author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2014-10-04 15:30:52 +0000 |
|---|---|---|
| committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2014-10-04 15:30:52 +0000 |
| commit | c48707aec87f80b537f66ae716993b7e4e872359 (patch) | |
| tree | 562e16b31173e898948ccb19449f725a5dbb7c71 /docs/SourceLevelDebugging.rst | |
| parent | ffd2f5051ef6c5ee95f974ccefff67db38ed2ed8 (diff) | |
DI: Prune another example
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219053 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/SourceLevelDebugging.rst')
| -rw-r--r-- | docs/SourceLevelDebugging.rst | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/docs/SourceLevelDebugging.rst b/docs/SourceLevelDebugging.rst index 577e0000176..05eed117543 100644 --- a/docs/SourceLevelDebugging.rst +++ b/docs/SourceLevelDebugging.rst @@ -858,68 +858,6 @@ in ``lib/IR/DIBuilder.cpp``. C/C++ source file information ----------------------------- -Given the source files ``MySource.cpp`` and ``MyHeader.h`` located in the -directory ``/Users/mine/sources``, the following code: - -.. code-block:: c - - #include "MyHeader.h" - - int main(int argc, char *argv[]) { - return 0; - } - -a C/C++ front-end would generate the following descriptors: - -.. code-block:: llvm - - ... - ;; - ;; Define the compile unit for the main source file "/Users/mine/sources/MySource.cpp". - ;; - !0 = metadata !{ - i32 786449, ;; Tag - metadata !1, ;; File/directory name - i32 4, ;; Language Id - metadata !"clang version 3.4 ", - i1 false, ;; Optimized compile unit - metadata !"", ;; Compiler flags - i32 0, ;; Runtime version - metadata !2, ;; Enumeration types - metadata !2, ;; Retained types - metadata !3, ;; Subprograms - metadata !2, ;; Global variables - metadata !2, ;; Imported entities (declarations and namespaces) - metadata !"" ;; Split debug filename - 1, ;; Full debug info - } - - ;; - ;; Define the file for the file "/Users/mine/sources/MySource.cpp". - ;; - !1 = metadata !{ - metadata !"MySource.cpp", - metadata !"/Users/mine/sources" - } - !5 = metadata !{ - i32 786473, ;; Tag - metadata !1 - } - - ;; - ;; Define the file for the file "/Users/mine/sources/Myheader.h" - ;; - !14 = metadata !{ - i32 786473, ;; Tag - metadata !15 - } - !15 = metadata !{ - metadata !"./MyHeader.h", - metadata !"/Users/mine/sources", - } - - ... - ``llvm::Instruction`` provides easy access to metadata attached with an instruction. One can extract line number information encoded in LLVM IR using ``Instruction::getMetadata()`` and ``DILocation::getLineNumber()``. |