llvm/lib/Analysis, branch release_25http://llvm.orghttps://git.amat.us/llvm/atom/lib/Analysis?h=release_252009-02-04T23:14:59ZBack out r62958 from the release branch.2009-02-04T23:14:59ZTanya Lattnertonic@nondot.org2009-02-04T23:14:59Zurn:sha1:402c6d7e7eb0c431cac2a5848b7ce0fac8721828
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@63791 91177308-0d34-0410-b5e6-96231b3b80d8
Move isIdentifiedObject and isNoAliasCall into AliasAnalysis.cpp since2009-02-03T01:28:32ZDan Gohmangohman@apple.com2009-02-03T01:28:32Zurn:sha1:a5f81bba4ab18d6129774d4d67495f14b6f64375
they are useful to analyses other than BasicAliasAnalysis.cpp. Include
the full comment for isIdentifiedObject in the header file. Thanks to
Chris for suggeseting this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63589 91177308-0d34-0410-b5e6-96231b3b80d8
Each input file is encoded as a separate compile unit in LLVM debugging2009-01-30T18:20:31ZDevang Pateldpatel@apple.com2009-01-30T18:20:31Zurn:sha1:dd9db6688283639a0c95f8ed67beb1bd54b5fff4
information output. However, many target specific tool chains prefer to encode
only one compile unit in an object file. In this situation, the LLVM code
generator will include debugging information entities in the compile unit
that is marked as main compile unit. The code generator accepts maximum one main
compile unit per module. If a module does not contain any main compile unit
then the code generator will emit multiple compile units in the output object
file.
[Part 1]
Update DebugInfo APIs to accept optional boolean value while creating DICompileUnit to mark the unit as "main" unit. By defaults all units are considered non-main. Update SourceLevelDebugging.html to document "main" compile unit.
Update DebugInfo APIs to not accept and encode separate source file/directory entries while creating various llvm.dbg.* entities. There was a recent, yet to be documented, change to include this additional information so no documentation changes are required here.
Update DwarfDebug to handle "main" compile unit. If "main" compile unit is seen then all DIEs are inserted into "main" compile unit. All other compile units are used to find source location for llvm.dbg.* values. If there is not any "main" compile unit then create unique compile unit DIEs for each llvm.dbg.compile_unit.
[Part 2]
Create separate llvm.dbg.compile_unit for each input file. Mark compile unit create for main_input_filename as "main" compile unit. Use appropriate compile unit, based on source location information collected from the tree node, while creating llvm.dbg.* values using DebugInfo APIs.
---
This is Part 1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63400 91177308-0d34-0410-b5e6-96231b3b80d8
Fix a post-RA scheduling dependency bug.2009-01-30T02:49:14ZDan Gohmangohman@apple.com2009-01-30T02:49:14Zurn:sha1:3311a1f8f0d8a2c6d940802bbb95eba0b801a615
If a MachineInstr doesn't have a memoperand but has an opcode that
is known to load or store, assume its memory reference may alias
*anything*, including stack slots which the compiler completely
controls.
To partially compensate for this, teach the ScheduleDAG building
code to do basic getUnderlyingValue analysis. This greatly
reduces the number of instructions that require restrictive
dependencies. This code will need to be revisited when we start
doing real alias analysis, but it should suffice for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63370 91177308-0d34-0410-b5e6-96231b3b80d8
Add dump() routines to help debug debug info :)2009-01-30T01:03:10ZDevang Pateldpatel@apple.com2009-01-30T01:03:10Zurn:sha1:bf3f5a08eed98e723e920a06a0cde9699593aa41
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63353 91177308-0d34-0410-b5e6-96231b3b80d8
Fix PR3415 (infinite loop in EscapeAnalysis) by2009-01-28T11:33:59ZDuncan Sandsbaldrick@free.fr2009-01-28T11:33:59Zurn:sha1:e02f724880ddb7ffe296cda3ffb9822761a13ce7
deleting the escape analysis pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63197 91177308-0d34-0410-b5e6-96231b3b80d8
Start generating arbitrary precision integer SCEVs. This removes the temporary2009-01-25T08:16:27ZNick Lewyckynicholas@mxc.ca2009-01-25T08:16:27Zurn:sha1:237d873439ed170e0d9608920d45d11d05bb5e5f
code that rounded up and capped the size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62958 91177308-0d34-0410-b5e6-96231b3b80d8
Introduce two DWARF attribute extentions DW_AT_APPLE_optimized, DW_AT_APPLE_flags.2009-01-23T22:33:47ZDevang Pateldpatel@apple.com2009-01-23T22:33:47Zurn:sha1:3b64c6bc2916bc62a99ef8a2995a426d994e1a04
DW_AT_APPLE_optimized flag is set when a compile_unit is optimized. The debugger takes advantage of this information some way.
DW_AT_APPLE_flags encodes command line options when certain env. variable is set. This is used by build engineers to track various gcc command lines used by by a project, irrespective of whether the project used makefile, Xcode or something else.
llvm-gcc patch is next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62888 91177308-0d34-0410-b5e6-96231b3b80d8
fix two more cases where we could let the NLPDI cache get unsorted.2009-01-23T07:12:16ZChris Lattnersabre@nondot.org2009-01-23T07:12:16Zurn:sha1:95900f2dda0d573b927a54910386130b779a48ff
With this, sqlite3 now passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62839 91177308-0d34-0410-b5e6-96231b3b80d8
Unconditionally reset 'cache' to zero, even if we don't need to resort it.2009-01-23T06:48:41ZChris Lattnersabre@nondot.org2009-01-23T06:48:41Zurn:sha1:4433a09b9fbe0de4483d3d49c0462e2b9a839851
This avoids using a dangling pointer.
Reset NumSortedEntries after restoring Cache to avoid extraneous sorts.
This fixes the reduced sqlite3 testcase, but apparently not the whole app.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62838 91177308-0d34-0410-b5e6-96231b3b80d8