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36 Commits

Author SHA1 Message Date
Eric Christopher
57c57a3260 Add a new wrapper node for a DILexicalBlock that encapsulates it and a 
file. Since it should only be used when necessary propagate it through
the backend code generation and tweak testcases accordingly.

This helps with code like in clang's test/CodeGen/debug-info-line.c where
we have multiple #line directives within a single lexical block and want
to generate only a single block that contains each file change.

Part of rdar://10246360

llvm-svn: 141729
 2011-10-11 22:59:11 +00:00
Devang Patel
e5dc3a1f1e Add support to emit debug info for C++0x nullptr type. 
llvm-svn: 139751
 2011-09-14 23:13:28 +00:00
Eric Christopher
665ace6bce Fix typo. 
llvm-svn: 139530
 2011-09-12 19:58:22 +00:00
Devang Patel
c7a1210467 Add asserts to keep front-ends honest while encoding debug info into LLVM IR using DIBuilder. 
llvm-svn: 139515
 2011-09-12 18:26:08 +00:00
Eric Christopher
09fd6a961c Whitespace and 80-col. 
llvm-svn: 138654
 2011-08-26 21:02:40 +00:00
Devang Patel
e4127d626e Do not use named md nodes to track variables that are completely optimized. This does not scale while doing LTO with debug info. New approach is to include list of variables in the subprogram info directly. 
llvm-svn: 138145
 2011-08-19 23:28:12 +00:00
Devang Patel
9fa42d022b There is no need to add file as context for subroutine type. The subroutine type does not need any context. 
llvm-svn: 138010
 2011-08-18 23:50:57 +00:00
Devang Patel
630d8ce36b Until now all debug info MDNodes referred to a root MDNode, a compile unit. This simplified handling of these needs in dwarf writer. However, one side effect of this is that during link time optimization all these MDNodes are _not_ uniqued. In other words there will be N number of MDNodes describing "int", "char" and all other types, which would suddenly grow when each object file starts using libraries like STL. 
MDNodes graph structure such that compiler unit keeps track of important MDNodes and update dwarf writer to process mdnodes top-down instead of bottom up.

llvm-svn: 137778
 2011-08-16 22:09:43 +00:00
Devang Patel
f1b61abc8c Add a finalize() hook, that'll let DIBuilder construct compile unit lazily. 
llvm-svn: 137673
 2011-08-15 23:00:00 +00:00
Devang Patel
5a4bb57ec5 Reapply r135457. This needs llvm-gcc change, that I forgot to check-in yesterday. 
llvm-svn: 135504
 2011-07-19 19:41:54 +00:00
Bob Wilson
7c9092c9aa Revert "Make a provision to encode inline location in a variable. This will enable dwarf writer to easily distinguish between two instances of a inlined variable in one basic block." 
This reverts commit 9fec5e346efdf744b151ae6604f912908315fa7a.

llvm-svn: 135486
 2011-07-19 16:32:50 +00:00
Devang Patel
e50d45c876 Make a provision to encode inline location in a variable. This will enable dwarf writer to easily distinguish between two instances of a inlined variable in one basic block. 
llvm-svn: 135457
 2011-07-19 01:03:32 +00:00
Jay Foad
c826df8fb7 Convert CallInst and InvokeInst APIs to use ArrayRef. 
llvm-svn: 135265
 2011-07-15 08:37:34 +00:00
Devang Patel
10271bcdad Fix struct member's scope. Patch by Xi Wang. 
llvm-svn: 133828
 2011-06-24 22:00:39 +00:00
Devang Patel
e3190a1377 A typedef's context is not the same as type's context. It is the context of typedef decl itself. Use extra parameter to communicate this to DIBuilder. 
llvm-svn: 132556
 2011-06-03 17:04:51 +00:00
Devang Patel
f40a9eda2e Use llvm.dbg.cu named metadata to collect compile units. 
llvm-svn: 130756
 2011-05-03 16:18:28 +00:00
Devang Patel
b906474102 Fix an off by one error while accessing complex address element of a DIVariable. 
This worked untill now because stars are aligned (i.e. num of complex address elments are always 0 or 2+ and when it is 2+ at least two elements are access together)

llvm-svn: 130225
 2011-04-26 18:24:39 +00:00
Jay Foad
bda0742eef PR9214: Convert the DIBuilder API to use ArrayRef. 
llvm-svn: 130086
 2011-04-24 10:11:03 +00:00
Devang Patel
929bbb6bf9 Let front-end tie subprogram declaration with subprogram definition directly. 
llvm-svn: 130028
 2011-04-22 23:10:17 +00:00
Jay Foad
32fce4d563 PR9214: Convert Metadata API to use ArrayRef. 
llvm-svn: 129932
 2011-04-21 19:59:31 +00:00
Devang Patel
4090ab2ed7 Use ArrayRef variants. 
llvm-svn: 129735
 2011-04-18 23:51:03 +00:00
Devang Patel
eddab1d186 Introduce support to encode Objective-C property information in debugging information generated for an interface. 
llvm-svn: 129624
 2011-04-16 00:11:51 +00:00
Devang Patel
03d0891c10 Add support to encode function's template parameters. 
llvm-svn: 128947
 2011-04-05 22:52:06 +00:00
Devang Patel
5c7b3c4228 Today, the language front ends produces llvm.dbg.* intrinsics, used to encode arguments' debug info, in order any way, most of the times. However, if a front end mix-n-matches llvm.dbg.declare and llvm.dbg.value intrinsics to encode debug info for arguments then code generator needs a way to find argument order. 
Use 8 bits from line number field to keep track of argument ordering while encoding debug info for an argument. That leaves 24 bit for line no, DebugLoc also allocates 24 bit for line numbers. If a function has more than 255 arguments then rest of the arguments will be ordered by llvm.dbg.* intrinsics' ordering in IR.

llvm-svn: 126793
 2011-03-01 22:58:13 +00:00
Devang Patel
74d085657f Follow LLVM coding style. 
clang uses DBuilder, so it requries corresponding change.

llvm-svn: 126231
 2011-02-22 18:56:12 +00:00
Devang Patel
71b1fadf20 Add support to describe template value parameter in debug info. 
llvm-svn: 124755
 2011-02-02 22:35:53 +00:00
Devang Patel
89455dc7cd Add support to describe template parameter type in debug info. 
llvm-svn: 124752
 2011-02-02 21:38:25 +00:00
Devang Patel
e515e18523 Use type's file info while describing inheritance relationship. 
llvm-svn: 121289
 2010-12-08 21:46:37 +00:00
Devang Patel
90fd70aa09 Add support to create debug info for functions and methods. 
llvm-svn: 121281
 2010-12-08 20:42:44 +00:00
Devang Patel
53f05af4c1 Add support to create class type. 
llvm-svn: 121279
 2010-12-08 20:18:20 +00:00
Devang Patel
b7a7988b6b Add support to create vector, array, enums etc... 
llvm-svn: 121224
 2010-12-08 01:50:15 +00:00
Devang Patel
0c0accf6bc Global variable does not need linkage name. 
llvm-svn: 121212
 2010-12-08 00:06:22 +00:00
Devang Patel
bdbff5f106 Add support to create local variable's debug info. 
llvm-svn: 121211
 2010-12-07 23:58:00 +00:00
Devang Patel
cef2982b39 Add support to create variables, structs etc.. using DIBuilder. 
This is still work in progress.

llvm-svn: 121205
 2010-12-07 23:25:47 +00:00
Benjamin Kramer
ed73c2619e Use arrays instead of constant-sized SmallVectors. 
llvm-svn: 118257
 2010-11-04 18:45:27 +00:00
Devang Patel
6c1b802673 Introduce DIBuilder. It is intended to be a front-end friendly interface to emit debuggging information entries in LLVM IR. 
To create debugging information for a pointer, using DIBUilder front-end just needs
	DBuilder.CreatePointerType(Ty, Size);
instead of
	DebugFactory.CreateDerivedType(llvm::dwarf::DW_TAG_pointer_type,
                                       TheCU, "", getOrCreateMainFile(),
                                       0, Size, 0, 0, 0, OCTy);

llvm-svn: 118248
 2010-11-04 15:01:38 +00:00