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19931 Commits

Author SHA1 Message Date
Chuck Rose III
a1061872a7 Added default parameters to GetElementPtrInstr constructor call. Visual Studio 2k5 was getting confused and was unable to compile it. Suspected compiler error. 
llvm-svn: 41721
 2007-09-05 16:54:38 +00:00
Duncan Sands
aefef49052 Due to label merging, the last label for an invoke 
may be the same as the first label for the following
invoke.  Remove a micro-optimization which was wrong
in this case.

llvm-svn: 41720
 2007-09-05 14:12:46 +00:00
Duncan Sands
ab8eb598be Fix PR1628. When exception handling is turned on, 
labels are generated bracketing each call (not just
invokes).  This is used to generate entries in
the exception table required by the C++ personality.
However it gets in the way of tail-merging.  This
patch solves the problem by no longer placing labels
around ordinary calls.  Instead we generate entries
in the exception table that cover every instruction
in the function that wasn't covered by an invoke
range (the range given by the labels around the invoke).
As an optimization, such entries are only generated for
parts of the function that contain a call, since for
the moment those are the only instructions that can
throw an exception [1].  As a happy consequence, we
now get a smaller exception table, since the same
region can cover many calls.  While there, I also
implemented folding of invoke ranges - successive
ranges are merged when safe to do so.  Finally, if
a selector contains only a cleanup, there's a special
shorthand for it - place a 0 in the call-site entry.
I implemented this while there.  As a result, the
exception table output (excluding filters) is now
optimal - it cannot be made smaller [2].  The
problem with throw filters is that folding them
optimally is hard, and the benefit of folding them is
minimal.

[1] I tested that having trapping instructions (eg
divide by zero) in such a region doesn't cause trouble.
[2] It could be made smaller with the help of higher
layers, eg by having branch folding reorder basic blocks
ending in invokes with the same landing pad so they
follow each other.  I don't know if this is worth doing.

llvm-svn: 41718
 2007-09-05 11:27:52 +00:00
Bill Wendling
13549db795 Add the 64-bit versions of the DS* Altivec instructions. 
llvm-svn: 41717
 2007-09-05 04:05:20 +00:00
Devang Patel
2cebc6f649 Insert cloned loop basic blocks before original loop header. 
llvm-svn: 41713
 2007-09-04 20:46:35 +00:00
Evan Cheng
bb21883dd3 Fix for PR1632. EHSELECTION always produces a i32 value. 
llvm-svn: 41712
 2007-09-04 20:39:26 +00:00
Evan Cheng
02c6081f2d Fix for PR1613: added 64-bit rotate left PPC instructions and patterns. 
llvm-svn: 41711
 2007-09-04 20:20:29 +00:00
David Greene
34e8027ee3 Update generated files. 
llvm-svn: 41706
 2007-09-04 18:46:50 +00:00
Evan Cheng
4cae11d569 Mac OS X X86-64 ABI is same as the standard. 
llvm-svn: 41700
 2007-09-04 16:44:41 +00:00
David Greene
8cda5af2e7 Update GEP constructors to use an iterator interface to fix 
GLIBCXX_DEBUG issues.

llvm-svn: 41697
 2007-09-04 15:46:09 +00:00
Anton Korobeynikov
cf91be2c79 Reapply r41578 with proper fix 
llvm-svn: 41680
 2007-09-03 00:36:06 +00:00
Anton Korobeynikov
5b49f44609 Silence warning while compiling with gcc 4.2 
llvm-svn: 41676
 2007-09-02 22:11:14 +00:00
Anton Korobeynikov
32567436f8 Emit proper "secrel" directive, where possible. This fixes invalid asm syntax of debug info on mingw32. Also, cleanup 
some stuff.

llvm-svn: 41675
 2007-09-02 22:07:21 +00:00
Evan Cheng
25c46702da More tweaks to improve compile time. 
llvm-svn: 41669
 2007-09-01 02:03:17 +00:00
Evan Cheng
9c7cff8e62 Fix a gcroot lowering bug. 
llvm-svn: 41668
 2007-09-01 02:00:51 +00:00
Dale Johannesen
b336f6207c Oops, should be part of 41664; won't work very well without this piece. 
llvm-svn: 41665
 2007-08-31 23:35:31 +00:00
Dale Johannesen
b34e6b4898 Add mod, copysign, abs operations to APFloat. 
Implement some constant folding in SelectionDAG and
DAGCombiner using APFloat.  Remove double versions
of constructor and getValue from ConstantFPSDNode.

llvm-svn: 41664
 2007-08-31 23:34:27 +00:00
Evan Cheng
e0f2c65756 std::map -> DenseMap for slight compile time benefit. 
llvm-svn: 41650
 2007-08-31 21:23:06 +00:00
Dale Johannesen
a79f7d4068 Revise per review of previous patch. 
llvm-svn: 41645
 2007-08-31 17:03:33 +00:00
Rafael Espindola
4ddaad4de0 Initial support for calling functions with byval arguments on x86-64 
llvm-svn: 41643
 2007-08-31 15:06:30 +00:00
Rafael Espindola
aa7930b4f0 Align i64 and f64 at 8 byte on x86-64. 
This is mandated table 3.1 at
http://www.x86-64.org/documentation/abi.pdf

llvm-svn: 41642
 2007-08-31 12:23:58 +00:00
Evan Cheng
3157d0991b Remove an unnecessary element, saving 4 bytes per LiveInterval. 
llvm-svn: 41641
 2007-08-31 08:26:44 +00:00
Evan Cheng
a561a94058 Use std::map instead of a (potentially very sparse) array to track val# defined by copy from the other live range. Minor compile time win when number of val# is large. 
llvm-svn: 41640
 2007-08-31 08:04:17 +00:00
Dale Johannesen
81d6ecb886 Enhance APFloat to retain bits of NaNs (fixes oggenc). 
Use APFloat interfaces for more references, mostly
of ConstantFPSDNode.

llvm-svn: 41632
 2007-08-31 04:03:46 +00:00
Raul Herbster
ffa8296e3f Instruction formats added used to generate multiply instructions of V5TE. 
llvm-svn: 41629
 2007-08-30 23:34:14 +00:00
Raul Herbster
7f1a7dc4e2 Unused relocation type reloc_arm_absolute removed. 
llvm-svn: 41628
 2007-08-30 23:31:35 +00:00
Raul Herbster
db2f42989b Comments added. It now generates V5TE multiply instructions. However, it is still necessary to model PUWLSH bits more clearly. 
llvm-svn: 41627
 2007-08-30 23:29:26 +00:00
Raul Herbster
49b44eae34 ARM instruction table was modified by adding information to generate multiply instruction of V5TE. 
llvm-svn: 41626
 2007-08-30 23:25:47 +00:00
Raul Herbster
26e15aed5c JITInfo now resolves function addrs and also relocations. It always emits a stub. 
llvm-svn: 41625
 2007-08-30 23:21:27 +00:00
Evan Cheng
cb317912b2 Added support to fold X86 load / store instructions. This allow rematerialized loads to be folded into their uses. 
llvm-svn: 41599
 2007-08-30 05:54:07 +00:00
Evan Cheng
e8c80ad7cd Try fold re-materialized load instructions into its uses. 
llvm-svn: 41598
 2007-08-30 05:53:02 +00:00
Evan Cheng
58ea935f6f Add a variant of foldMemoryOperand to fold any load / store, not just load / store from / to stack slots. 
llvm-svn: 41597
 2007-08-30 05:52:20 +00:00
Evan Cheng
527fe7ab57 Mark load instructions with isLoad = 1. 
llvm-svn: 41595
 2007-08-30 05:49:43 +00:00
Bill Wendling
c65cf7849d Use i64 on a PPC64 machine 
llvm-svn: 41590
 2007-08-30 00:59:19 +00:00
Dale Johannesen
e91a908971 Change LegalFPImmediates to use APFloat. 
Add APFloat interfaces to ConstantFP, SelectionDAG.
Fix integer bit in double->APFloat conversion.
Convert LegalizeDAG to use APFloat interface in
ConstantFPSDNode uses.

llvm-svn: 41587
 2007-08-30 00:23:21 +00:00
Anton Korobeynikov
5845c41e4d Fix use of declaration inside case block 
llvm-svn: 41584
 2007-08-29 23:18:48 +00:00
Evan Cheng
5a5046b83f Change LiveRange so it keeps a pointer to the VNInfo rather than an index. 
Changes related modules so VNInfo's are not copied. This decrease
copy coalescing time by 45% and overall compilation time by 10% on siod.

llvm-svn: 41579
 2007-08-29 20:45:00 +00:00
Anton Korobeynikov
a3531f71ca Lower FRAME_TO_ADDR_OFFSET to zero by default (if not custom lowered) 
llvm-svn: 41578
 2007-08-29 19:28:29 +00:00
Duncan Sands
26ef2a1767 Move getX86RegNum into X86RegisterInfo and use it 
in the trampoline lowering.  Lookup the jump and
mov opcodes for the trampoline rather than hard
coding them.

llvm-svn: 41577
 2007-08-29 19:01:20 +00:00
Chris Lattner
c3b406a619 update these 
llvm-svn: 41565
 2007-08-29 16:15:23 +00:00
Dan Gohman
cbb2ee9062 Add an option, -view-sunit-dags, for viewing the actual SUnit DAGs used by 
scheduling.

llvm-svn: 41556
 2007-08-28 20:32:58 +00:00
Evan Cheng
1f3724ee2d Recover most of the compile time regression due to recent live interval changes. 
1. Eliminate the costly live interval "swapping".
2. Change ValueNumberInfo container from SmallVector to std::vector. The former
   performs slowly when the vector size is very large.

llvm-svn: 41536
 2007-08-28 08:28:51 +00:00
Bruno Cardoso Lopes
ff764398e6 Added method to get Mips register numbers 
Changed the stack frame layout, StackGrowsUp fits better to Mips strange stack.
Stack offset calculation bug fixed!

llvm-svn: 41529
 2007-08-28 05:13:42 +00:00
Bruno Cardoso Lopes
144486ca7e Changed stack allocation On LowerFORMAL_ARGUMENTS. 
Added comments about new stack allocation.
Expand SelectCC for i32 results

llvm-svn: 41527
 2007-08-28 05:08:16 +00:00
Bruno Cardoso Lopes
96894b2c93 Mask directive completed with CalleeSave info 
Comments for Mips directives added.

llvm-svn: 41526
 2007-08-28 05:06:17 +00:00
Bruno Cardoso Lopes
b77d5cd9d5 Added methods to record SPOffsets from LowerFORMAL_ARGUMENTS 
llvm-svn: 41525
 2007-08-28 05:04:41 +00:00
Chris Lattner
73aa3d62dc Cut off crazy computation. This helps PR1622 slightly. 
llvm-svn: 41522
 2007-08-28 04:23:55 +00:00
Devang Patel
c649f24384 Use simpler test to filter loops. 
llvm-svn: 41516
 2007-08-27 21:34:31 +00:00
David Greene
5b85021be8 Update InvokeInst to work like CallInst 
llvm-svn: 41506
 2007-08-27 19:04:21 +00:00
Rafael Espindola
dc5450f7fb Add a comment about using libc memset/memcpy or generating inline code. 
llvm-svn: 41502
 2007-08-27 17:48:26 +00:00