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19942 Commits

Author SHA1 Message Date
David Greene
2ca4b270db Pluggable coalescers inplementation. 
llvm-svn: 41743
 2007-09-06 16:18:45 +00:00
Nick Lewycky
79e179ff1f Use isTrueWhenEqual. Thanks Chris! 
llvm-svn: 41741
 2007-09-06 02:40:25 +00:00
Nick Lewycky
2f66503c0a When the two operands of an icmp are equal, there are five possible predicates 
that would make the icmp true. Fixes PR1637.

llvm-svn: 41740
 2007-09-06 01:10:22 +00:00
Evan Cheng
15c07fb194 Fix a memory leak. 
llvm-svn: 41739
 2007-09-06 01:07:24 +00:00
Evan Cheng
896c1ed385 Fix a bug in X86InstrInfo::convertToThreeAddress that caused it to codegen: 
leal    (,%rcx,8), %rcx
It should be
leal    (,%rcx,8), %ecx

llvm-svn: 41735
 2007-09-06 00:14:41 +00:00
Bill Wendling
46d5fb4e5d LVXL and STVXL are also a load and store resp. 
llvm-svn: 41733
 2007-09-05 23:47:12 +00:00
Evan Cheng
3bda699975 Use pool allocator for all the VNInfo's to improve memory access locality. This reduces coalescing time on siod Mac OS X PPC by 35%. Also remove the back ptr from VNInfo to LiveInterval and other tweaks. 
llvm-svn: 41729
 2007-09-05 21:46:51 +00:00
Evan Cheng
5977c55f5d Added Reset() to free all allocated memory regions and reset state to be the same as right after ctor. 
llvm-svn: 41728
 2007-09-05 21:41:34 +00:00
Evan Cheng
804e104123 Missing break. Patch by Wojciech Matyjewicz. 
llvm-svn: 41727
 2007-09-05 21:36:14 +00:00
Dale Johannesen
1d92d23a89 Fix mod so it actually works. Fix conversions to 
native types to handle denormals correctly.

llvm-svn: 41726
 2007-09-05 20:39:49 +00:00
Chuck Rose III
4f602f5eba Forgot to obey 80 column rule. Fixing that. 
llvm-svn: 41725
 2007-09-05 20:36:41 +00:00
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