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Author SHA1 Message Date
Devang Patel
ce35d8b5a1 DISubrange supports unsigned lower/upper array bounds, so let's not fake it in the end while emitting DWARF. If a FE needs to encode signed lower/upper array bounds then we need to extend DISubrange or ad DISignedSubrange. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144937 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-17 23:43:15 +00:00
Eric Christopher
ecfd04b272 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144198 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-09 18:53:37 +00:00
Eric Christopher
2115cd2a48 Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142438 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-18 22:50:13 +00:00
Eric Christopher
d0851aae51 Make this use a public accessor too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141752 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-12 00:38:05 +00:00
Eric Christopher
3c43b48fa9 Use public accessors on the scope that is returned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141739 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 23:19:35 +00:00
Eric Christopher
6618a241f7 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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141729 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-11 22:59:11 +00:00
James Molloy
439780eeae Fix emission of debug data for global variables. getContext() on DIGlobalVariables is not valid any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140539 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-26 17:40:42 +00:00
Devang Patel
93d39be530 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138145 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-19 23:28:12 +00:00
Devang Patel
94c7ddb6f5 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137778 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-16 22:09:43 +00:00
Devang Patel
6f9d8ffe5e Refactor. Global variables are part of compile unit so let CompileUnit create new global variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137621 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 17:57:41 +00:00
Devang Patel
b549bcfe6c Distinguish between two copies of one inlined variable. Take 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137253 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-10 21:50:54 +00:00
Devang Patel
48d726fbce Provide method to print variable's extended name which includes inline location. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137095 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 01:03:14 +00:00
Chandler Carruth
4147f39769 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!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136953 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-05 00:51:31 +00:00
Devang Patel
40c7e4142e 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135629 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-20 22:18:50 +00:00
Devang Patel
c8fcfc9cd9 Distinguish between two copies of one inlined variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135528 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 22:31:15 +00:00
Devang Patel
23336b449e Reapply r135457. This needs llvm-gcc change, that I forgot to check-in yesterday. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 19:41:54 +00:00
Bob Wilson
f51bb7cef8 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 9fec5e346e.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135486 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 16:32:50 +00:00
Devang Patel
9fec5e346e 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135457 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 01:03:32 +00:00
Devang Patel
201e6cdc39 Doug convinced me that DW_AT_APPLE_objc_complete_type is more appropriate name. 
s/DW_AT_APPLE_objc_class_extension/DW_AT_APPLE_objc_complete_type/g


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131244 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-12 21:29:42 +00:00
Devang Patel
b11f80e94b Let Objective-C front-end identify class extension, in dwarf output, using an attribute DW_AT_APPLE_objc_class_extension. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131238 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-12 19:06:16 +00:00
Devang Patel
7b5bd37241 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)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130225 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-26 18:24:39 +00:00
Devang Patel
5e06bb83f4 Let front-end tie subprogram declaration with subprogram definition directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-22 23:10:17 +00:00
Devang Patel
e9db5e29e3 Introduce support to encode Objective-C property information in debugging information generated for an interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129624 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-16 00:11:51 +00:00
Devang Patel
da19475328 Add support to encode function's template parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128947 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-05 22:52:06 +00:00
Duncan Sands
291bb70d93 Remove DIFactory. Patch by Devang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126871 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-02 20:30:37 +00:00
Devang Patel
e9e16c5f52 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126793 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-01 22:58:13 +00:00
Devang Patel
fc0569e55a Move DbgInfoPrinter specific utlities inside DbgInfoPrinter.cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125571 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-15 17:36:11 +00:00
Devang Patel
e7d93877c6 Add support to describe template value parameter in debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124755 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 22:35:53 +00:00
Devang Patel
7e2cb11655 Add support to describe template parameter type in debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124752 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 21:38:25 +00:00
Devang Patel
0a2551de2c Add support to create class type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121279 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:18:20 +00:00
Devang Patel
fe58f95f36 Add support to create variables, structs etc.. using DIBuilder. 
This is still work in progress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:25:47 +00:00
Devang Patel
62367045a4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 22:19:21 +00:00
Devang Patel
ab70ed41f3 Add getFile() to get DIFile of a DIType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118247 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-04 14:56:34 +00:00
Devang Patel
0e82ac07bc Simplify. 
-      DIFile F = getFieldAs<DIFile>(6); 
-      return F.getDirectory();
+      return getFieldAs<DIFile>(6).getDirectory(); 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117662 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-29 16:42:37 +00:00
Devang Patel
fb9dce3806 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:41:11 +00:00
Devang Patel
8f6a281e97 Backward compatibility. Gracefully handle older versions of debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 20:08:13 +00:00
Devang Patel
bc2bb9bbd0 Do not work too hard to find type's file info. There is a special field to record file info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:50:08 +00:00
Devang Patel
42d3a34575 Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117586 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:40:13 +00:00
Devang Patel
a514a4e172 Do not rely on context to find file info. It is already provided as a separate field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117577 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-28 19:14:28 +00:00
Devang Patel
f95a271922 Give a name to nameless argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117468 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-27 18:08:31 +00:00
Devang Patel
7b172c6ae6 Provie a clearner interface so that FE can decide whether a function has prototype or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115988 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-07 22:03:01 +00:00
Devang Patel
d6747df5e0 Add support for DW_TAG_unspecified_parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115833 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-06 20:50:40 +00:00
Devang Patel
21ea1d5b4c Add support to let FE mark explict methods as explict in debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115378 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-01 23:31:40 +00:00
Devang Patel
3cf763dc7a Let FE mark a variable as artificial variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 23:07:21 +00:00
Devang Patel
1a30123b60 Add support to let FE encode method access specifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115089 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 21:44:16 +00:00
Devang Patel
9dd2b47d44 Generalize DISubprogram element to encode various flags instead of just one boolean for isArtificial. 
This is a backword compatible change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115084 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 21:04:46 +00:00
Devang Patel
1a7ca0354a Provide an interface to let FEs anchor debug info for types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114969 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 18:08:20 +00:00
Oscar Fuentes
429c75b865 Avoid warnings about implicit conversions to `bool' in MSVC. This time 
for real.

Patch by Nathan Jeffords!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114796 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 20:27:36 +00:00
Benjamin Kramer
28b4afc103 Make CreateComplexVariable independent of SmallVector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:00:03 +00:00
Devang Patel
0c4720c6bd Handle qualified constants that are directly folded by FE. 
PR 7920.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111820 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 18:25:56 +00:00