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232 Commits

Author SHA1 Message Date
Devang Patel
fb32a2ca1b Update DebugInfoFinder to match recent debug info encoding changes. 
llvm-svn: 142295
 2011-10-17 22:30:34 +00:00
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
Devang Patel
2c2dd9114e Now, named mdnode llvm.dbg.cu keeps track of all compile units in a module. Update DebugInfoFinder to collect compile units from llvm.dbg.cu. 
llvm-svn: 139147
 2011-09-06 17:40:08 +00:00
Devang Patel
26f7aeed7c After r138010, subroutine type does not have context info. Update type verifier accordingly. 
This fixes ptype.exp gdb testsuite regressions.

llvm-svn: 138869
 2011-08-31 18:04:31 +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
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
1b73744344 Refactor. Global variables are part of compile unit so let CompileUnit create new global variable. 
llvm-svn: 137621
 2011-08-15 17:57:41 +00:00
Devang Patel
1541972a13 Distinguish between two copies of one inlined variable. Take 2. 
llvm-svn: 137253
 2011-08-10 21:50:54 +00:00
Devang Patel
1d038e6e01 Provide method to print variable's extended name which includes inline location. 
llvm-svn: 137095
 2011-08-09 01:03:14 +00:00
Chandler Carruth
e833bbd11e Temporarily revert r135528 which distinguishes between two copies of one 
inlined variable, based on the discussion in PR10542.

This explodes the runtime of several passes down the pipeline due to
a large number of "copies" remaining live across a large function. This
only shows up with both debug and opt, but when it does it creates
a many-minute compile when self-hosting LLVM+Clang. There are several
other cases that show these types of regressions.

All of this is tracked in PR10542, and progress is being made on fixing
the issue. Once its addressed, the re-instated, but until then this
restores the performance for self-hosting and other opt+debug builds.

Devang, let me know if this causes any trouble, or impedes fixing it in
any way, and thanks for working on this!

llvm-svn: 136953
 2011-08-05 00:51:31 +00:00
Devang Patel
284b502be9 There are two ways to map a variable to its lexical scope. Lexical scope information is embedded in MDNode describing the variable. It is also available as a part of DebugLoc attached with DBG_VALUE instruction. DebugLoc attached with an instruction is less reliable in optimized code so use information embedded in the MDNode. 
llvm-svn: 135629
 2011-07-20 22:18:50 +00:00
Devang Patel
65afdd27d0 Distinguish between two copies of one inlined variable. 
llvm-svn: 135528
 2011-07-19 22:31:15 +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
Benjamin Kramer
a16cba3e83 Simplify code. No functionality change. 
llvm-svn: 133351
 2011-06-18 14:42:42 +00:00
Duncan Sands
a7c3ebafe4 Remove DIFactory. Patch by Devang. 
llvm-svn: 126871
 2011-03-02 20:30:37 +00:00
Devang Patel
f927b9703e Move DbgInfoPrinter specific utlities inside DbgInfoPrinter.cpp 
llvm-svn: 125571
 2011-02-15 17:36:11 +00:00
Devang Patel
8b9081b0bf Print function info. Patch by Minjang Kim. 
llvm-svn: 125567
 2011-02-15 17:24:56 +00:00
Devang Patel
2fef292729 Fix typo in comment. 
llvm-svn: 124759
 2011-02-03 00:13:47 +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
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
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
Jakob Stoklund Olesen
6f535251de Also inore '()' while creating mdnode name from ObjC symbol name. 
llvm-svn: 120856
 2010-12-03 23:40:45 +00:00
Devang Patel
fdc570cad4 Ignore '+' while creating mdnode name from ObjC symbol name. 
llvm-svn: 120853
 2010-12-03 23:29:30 +00:00
Devang Patel
5520a6fc97 Take care of special characters while creating named MDNode name to hold function specific local variable's info. 
This fixes radar 8653152. I am checking in testcase as a separate check-in.

llvm-svn: 118726
 2010-11-10 22:19:21 +00:00
Devang Patel
9af731f560 Fix DIType verifier. The element 3 is DIFile now. 
llvm-svn: 118054
 2010-11-02 20:41:13 +00:00
Devang Patel
eeb0b64560 Add support for DW_TAG_unspecified_parameters. 
llvm-svn: 115833
 2010-10-06 20:50:40 +00:00
Devang Patel
41e2a94595 Let FE mark a variable as artificial variable. 
llvm-svn: 115102
 2010-09-29 23:07:21 +00:00
Devang Patel
bbd003ab48 Generalize DISubprogram element to encode various flags instead of just one boolean for isArtificial. 
This is a backword compatible change.

llvm-svn: 115084
 2010-09-29 21:04:46 +00:00
Devang Patel
e1f502ee26 Provide an interface to let FEs anchor debug info for types. 
llvm-svn: 114969
 2010-09-28 18:08:20 +00:00
Benjamin Kramer
98e1aab5a8 Simplify code. 
llvm-svn: 114444
 2010-09-21 16:41:29 +00:00
Benjamin Kramer
a81f2ba27e Make CreateComplexVariable independent of SmallVector. 
llvm-svn: 114439
 2010-09-21 16:00:03 +00:00
Devang Patel
45a818bea5 Let FE use derived types for DW_TAG_friend. 
Patch by Alexander Herz!

llvm-svn: 111861
 2010-08-23 23:16:25 +00:00
Devang Patel
cf6c6b4038 Handle qualified constants that are directly folded by FE. 
PR 7920.

llvm-svn: 111820
 2010-08-23 18:25:56 +00:00
Dan Gohman
31ab7e6b8c CreateTemporaryType doesn't needs its Context argument. 
llvm-svn: 111687
 2010-08-20 22:39:47 +00:00
Dan Gohman
072e7bdcd4 Introduce a new temporary MDNode concept. Temporary MDNodes are 
not part of the IR, are not uniqued, and may be safely RAUW'd.
This replaces a variety of alternate mechanisms for achieving
the same effect.

llvm-svn: 111681
 2010-08-20 22:02:26 +00:00
Devang Patel
d425ead3c8 Even if a variable has constant value all the time, it is still a variable in gdb's eyes. 
Tested by scope.exp in gdb testsuite.

llvm-svn: 110876
 2010-08-11 23:17:54 +00:00
Devang Patel
17606414a4 Add missing argument. CreateCompositeTypeEx() users, please verify. 
llvm-svn: 110717
 2010-08-10 20:22:49 +00:00
Devang Patel
9b12559c4f Do not forget debug info for enums. Use named mdnode to keep track of these types. 
llvm-svn: 110712
 2010-08-10 20:01:20 +00:00
Devang Patel
84f48b5483 Handle TAG_constant for integers. 
llvm-svn: 110656
 2010-08-10 07:11:13 +00:00
Devang Patel
8d0c79694e Refactor. 
llvm-svn: 110607
 2010-08-09 21:39:24 +00:00
Devang Patel
f18faa5945 Add explicit constructors. Patch by Renato Golin. 
llvm-svn: 110072
 2010-08-02 22:51:46 +00:00
Dan Gohman
859ffd353e Make NamedMDNode not be a subclass of Value, and simplify the interface 
for creating and populating NamedMDNodes.

llvm-svn: 109061
 2010-07-21 23:38:33 +00:00
Jim Grosbach
4d3c808fd9 tidy up. 
llvm-svn: 109038
 2010-07-21 21:36:25 +00:00
Dan Gohman
fc3ee085a0 Disallow null as a named metadata operand. 
Make MDNode::destroy private.
Fix the one thing that used MDNode::destroy, outside of MDNode itself.

One should never delete or destroy an MDNode explicitly. MDNodes
implicitly go away when there are no references to them (implementation
details aside).

llvm-svn: 109028
 2010-07-21 18:54:18 +00:00
Stuart Hastings
587ed4918c Correct line info for declarations/definitions. Radar 8063111. 
llvm-svn: 108784
 2010-07-19 23:56:30 +00:00