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Author SHA1 Message Date
Dan Gohman
286575c65c Don't use a BT instruction if the AND has multiple uses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62195 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 23:25:30 +00:00
Dan Gohman
f31408d75c Disable the register+memory forms of the bt instructions for now. Thanks 
to Eli for pointing out that these forms don't ignore the high bits of
their index operands, and as such are not immediately suitable for use
by isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62194 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 23:23:30 +00:00
Devang Patel
e2051627b8 Keep "has debug info" big in MachineModuleInfo to avoid circular dependency between AsmPrinter and CodeGen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62191 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 23:02:17 +00:00
Devang Patel
35fe7344ae Undo previous checkin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62190 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 22:54:57 +00:00
Dale Johannesen
39fa32403e Fix testsuite regressions from recursive inlining. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62189 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 22:43:37 +00:00
Devang Patel
c48c550e13 Use DwarfWriter to record dbg variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62185 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 21:44:10 +00:00
Devang Patel
bb8c5959c8 Use dwarf writer to decide whether the module has debug info or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62184 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 21:25:00 +00:00
Dan Gohman
4afe15b131 Add bt instructions that take immediate operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62180 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 20:33:23 +00:00
Dan Gohman
0c89b7e61e Fix a few more JIT encoding issues in the BT instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62179 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 20:32:45 +00:00
Dan Gohman
fd246e5f84 Use assertions to check for conditions that should never happen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62178 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 20:25:24 +00:00
Dan Gohman
bc0b56732a The list-td and list-tdrr schedulers don't yet support physreg 
scheduling dependencies. Add assertion checks to help catch
this.

It appears the Mips target defaults to list-td, and it has a
regression test that uses a physreg dependence. Such code was
liable to be miscompiled, and now evokes an assertion failure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62177 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 20:24:13 +00:00
Dan Gohman
6893cd7615 Make instcombine ensure that all allocas are explicitly aligned at at 
least their preferred alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62176 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 20:18:38 +00:00
Sanjiv Gupta
1b04694116 Checking in conditionals, function call, arrays and libcalls implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62174 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 19:18:47 +00:00
Dan Gohman
a1f50e2c2c Avoid referring to edge D after the Succs or Preds arrays have 
been modified, to avoid trouble in the (unlikely) scenario that
D is a reference to an element in one of those arrays.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62173 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 19:08:45 +00:00
Duncan Sands
2ecf88d175 When replacing uses and the same node is reached 
via two paths, process it once not twice, d'oh!
Analysis, testcase and original patch thanks to
Mon Ping Wang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62169 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 15:17:14 +00:00
Duncan Sands
87b8cce21c Mark this XFAIL for the moment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62168 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 15:15:46 +00:00
Duncan Sands
1bec3dd28a Fix some typos. Also, the WidenedVectors map 
was not being cleaned by ExpungeNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62167 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 14:42:39 +00:00
Duncan Sands
042fb3199f Correct a comment - this is not a sign extension. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62166 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 14:04:14 +00:00
Duncan Sands
b502440164 Correct a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62165 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 13:48:44 +00:00
Nick Lewycky
789558db70 Wind SCEV back in time, to Nov 18th. This 'fixes' PR3275, PR3294, PR3295, 
PR3296 and PR3302.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62160 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 09:18:58 +00:00
Chris Lattner
3ff704fa2b add a new insertAfter method, patch by Tom Jablin! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62158 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 07:43:51 +00:00
Chris Lattner
acca9559f4 make -march=cpp handle the nocapture attribute, make it assert if it 
sees attributes it doesn't know.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62155 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 07:22:22 +00:00
Evan Cheng
167650d411 Un-tabify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 06:08:37 +00:00
Owen Anderson
0c2e7b9ab6 Fix fallout from r62144. Evan, please double check this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62150 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 06:05:10 +00:00
Evan Cheng
1d8a76d7d5 FIX llvm-gcc bootstrap on x86_64 linux. If a virtual register is copied to a physical register, it's not necessarily defined by a copy. We have to watch out it doesn't clobber any sub-register that might be live during its live interval. If the live interval crosses a basic block, then it's not safe to check with the less conservative check (by scanning uses and defs) because it's possible a sub-register might be live out of the block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62144 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 03:57:45 +00:00
Devang Patel
83489bb770 Use DebugInfo interface to lower dbg_* intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 00:35:13 +00:00
Devang Patel
6fbbe4390b Use DebugInfo interface to lower dbg_* intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 00:32:17 +00:00
Devang Patel
7bb89ed33c Start using DebugInfo API to emit debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62125 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 00:20:51 +00:00
Dan Gohman
f3e60bd8ee Document several current CodeGen limitations in LangRef.html. 
Patches for any of these are welcome!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62120 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 23:12:39 +00:00
Devang Patel
3f7833a273 Emit debug info, only if at least one compile unit is seen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 23:09:42 +00:00
Devang Patel
72b663575f If multiple compile units are seen then emit them independently. In other words, do not force all DIEs into first, whatever it is, compile unit. 
Note, multiple compile unit support is not well tested (it did not work correctly until now anyway.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62116 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 23:05:55 +00:00
Devang Patel
f6bac3e4bd Avoid cast<>, use light weith wrapper directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62115 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 22:58:14 +00:00
Devang Patel
f3ee514419 Use SrcLineInfo from DwarfWriter. The MachineModuleInfo copy will disappear soon. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62114 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 22:54:42 +00:00
Dale Johannesen
cbfdf9644c Enable recursive inlining. Reduce inlining threshold 
back to 200; 400 seems to be too high, loses more than
it gains.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62107 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 22:11:50 +00:00
Devang Patel
486938f7a1 Add classof() methods to support isa<> and other related facilities. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62104 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 21:38:43 +00:00
Dan Gohman
7956412470 The LLVM Assembly Language Reference incorrectly stated that the 
prefix used for dll{import,export} is _imp__; it is actually __imp_.
Patch by Mahadevan R!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62103 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 21:35:55 +00:00
Dan Gohman
30e5e55e7a Fix the instructions to work even when PATH does not contain ".". 
Thanks to Martin Geisse for pointing this out!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62102 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 21:29:24 +00:00
Duncan Sands
ceb4d1aecb Rename getABITypeSize to getTypePaddedSize, as 
suggested by Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62099 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 20:38:59 +00:00
Devang Patel
ccca7fe6a3 Add DwarfWriter interface to mainipulate source location info. 
( May be this info should be directly handled by the dwarf writer ? )


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62096 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 19:17:34 +00:00
Chris Lattner
734660a9cd remove some dead options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62095 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 19:02:50 +00:00
Devang Patel
481ff5be9d Clear debug info at the end of function processing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62092 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 18:48:36 +00:00
Devang Patel
e9bfb0feca There is no need to maintain separate labelid list in the dwarf writer. It is not a good idea. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 18:41:00 +00:00
Rafael Espindola
c775ea1376 Remove some dead code from the days llvm had type planes. 
There might be more dead code, but with llvm-gcc bootstrap broken on linux x86-64 it is had to test :-(



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62088 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 15:53:25 +00:00
Evan Cheng
1f1d6e4bfc Second test is only valid in 32-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62084 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 08:05:54 +00:00
Evan Cheng
2abb21f7d1 Test for r62076. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 03:46:55 +00:00
Evan Cheng
c29a56dedb Fix PR3241: Currently EmitCopyFromReg emits a copy from the physical register to a virtual register unless it requires an expensive cross class copy. That means we are only treating "expensive to copy" register dependency as physical register dependency. 
Also future proof the scheduler to handle "normal" physical register dependencies. The code is not exercised yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 03:19:55 +00:00
Owen Anderson
e1762c9826 More two-address fixes. This gets lua working with join-creation enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62073 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 03:10:40 +00:00
Chris Lattner
d4a2700fdc make tblgen autogenerate the nocapture intrinsics for 
llvm.memcpy/memset/memmove.  This allows removal of some 
hackish code from basicaa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62071 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 02:41:37 +00:00
Chris Lattner
10dae94be2 add scaffolding to emit argument attributes. No functionality 
change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62067 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 01:27:55 +00:00
Chris Lattner
048ffb239c make tblgen emit the entire Intrinsic::getAttributes method, 
not a random piece of it.  No functionality change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62066 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 01:18:58 +00:00