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Author SHA1 Message Date
Duncan Sands
e9685143f4 Testcases for PR1628. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41719 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-05 11:53:04 +00:00
Duncan Sands
57810cdac4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41718 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-05 11:27:52 +00:00
Bill Wendling
c3536b8ecb Add the 64-bit versions of the DS* Altivec instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41717 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-05 04:05:20 +00:00
Devang Patel
305743df72 Enable loop index split pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41714 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 20:46:58 +00:00
Devang Patel
d24e5992e9 Insert cloned loop basic blocks before original loop header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41713 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 20:46:35 +00:00
Evan Cheng
a34d395358 Fix for PR1632. EHSELECTION always produces a i32 value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41712 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 20:39:26 +00:00
Evan Cheng
67c906dce7 Fix for PR1613: added 64-bit rotate left PPC instructions and patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41711 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 20:20:29 +00:00
Evan Cheng
425e8c7eae Always check the type of node. This prevents situations such as selecting 32-bit rotate target instruction for a 64-bit node when 64-bit pattern is missing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41710 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 20:18:28 +00:00
David Greene
5fd22a84fd Update generated files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41706 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 18:46:50 +00:00
Dale Johannesen
6d5e7d917b fix reversal bug in preceding checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41705 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 17:32:27 +00:00
David Greene
418a04ec9b Revert this because the interface hasn't been updated yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41703 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 17:15:07 +00:00
David Greene
f0e856077c Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41702 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 17:00:44 +00:00
Evan Cheng
29d62bebd9 Mac OS X X86-64 ABI is same as the standard. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41700 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 16:44:41 +00:00
David Greene
b8f74793b9 Update GEP constructors to use an iterator interface to fix 
GLIBCXX_DEBUG issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41697 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-04 15:46:09 +00:00
Anton Korobeynikov
3825262399 Reapply r41578 with proper fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41680 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-03 00:36:06 +00:00
Anton Korobeynikov
406452dce3 Silence warning while compiling with gcc 4.2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41676 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-02 22:11:14 +00:00
Anton Korobeynikov
9cc54f5867 Emit proper "secrel" directive, where possible. This fixes invalid asm syntax of debug info on mingw32. Also, cleanup 
some stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41675 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-02 22:07:21 +00:00
Evan Cheng
343013538f More tweaks to improve compile time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41669 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-01 02:03:17 +00:00
Evan Cheng
4e9c473c4d Fix a gcroot lowering bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41668 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-01 02:00:51 +00:00
Dale Johannesen
e15c2db993 Oops, should be part of 41664; won't work very well without this piece. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41665 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 23:35:31 +00:00
Dale Johannesen
c4dd3c3b51 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41664 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 23:34:27 +00:00
Evan Cheng
fadfb5b102 std::map -> DenseMap for slight compile time benefit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41650 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 21:23:06 +00:00
Reid Spencer
c5a879c63d Allow the configure options to be set according to the llvm-top options. 
Patch improved from one by Holger Schurig.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41649 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 19:53:42 +00:00
Dale Johannesen
ee8476847d Revise per review of previous patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41645 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 17:03:33 +00:00
Rafael Espindola
1b5dcc34b7 Initial support for calling functions with byval arguments on x86-64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41643 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 15:06:30 +00:00
Rafael Espindola
7240ae3cac 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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41642 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 12:23:58 +00:00
Evan Cheng
d4e4937b79 Remove an unnecessary element, saving 4 bytes per LiveInterval. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41641 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 08:26:44 +00:00
Evan Cheng
c14b144ec3 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41640 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 08:04:17 +00:00
Evan Cheng
144451fd99 Update test case to reflect Dale's change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41639 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 06:29:32 +00:00
Dale Johannesen
eaf089430e Enhance APFloat to retain bits of NaNs (fixes oggenc). 
Use APFloat interfaces for more references, mostly
of ConstantFPSDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41632 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 04:03:46 +00:00
Raul Herbster
8c132633c8 Instruction formats added used to generate multiply instructions of V5TE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41629 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 23:34:14 +00:00
Raul Herbster
b94e60872e Unused relocation type reloc_arm_absolute removed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41628 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 23:31:35 +00:00
Raul Herbster
9c1a3827ce Comments added. It now generates V5TE multiply instructions. However, it is still necessary to model PUWLSH bits more clearly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41627 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 23:29:26 +00:00
Raul Herbster
37fb5b154c ARM instruction table was modified by adding information to generate multiply instruction of V5TE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41626 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 23:25:47 +00:00
Raul Herbster
d05c04c169 JITInfo now resolves function addrs and also relocations. It always emits a stub. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41625 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 23:21:27 +00:00
Ted Kremenek
1a0190f4f0 Added Graphviz escaping for the '|' character. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41610 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 17:01:41 +00:00
Tanya Lattner
cad62802f4 Do not run on darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41608 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 16:07:20 +00:00
Evan Cheng
f4c3a59dba Added support to fold X86 load / store instructions. This allow rematerialized loads to be folded into their uses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41599 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 05:54:07 +00:00
Evan Cheng
34c2a9f57c Try fold re-materialized load instructions into its uses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41598 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 05:53:02 +00:00
Evan Cheng
35b35c5c32 Add a variant of foldMemoryOperand to fold any load / store, not just load / store from / to stack slots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41597 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 05:52:20 +00:00
Evan Cheng
42a0f9a4fb Added CreateFrameIndex to create a FrameIndex MachineOperand without a MachineInstr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41596 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 05:50:32 +00:00
Evan Cheng
2f39426ec9 Mark load instructions with isLoad = 1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41595 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 05:49:43 +00:00
Bill Wendling
b8a80f03bf Use i64 on a PPC64 machine 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41590 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 00:59:19 +00:00
Dale Johannesen
f04afdbb48 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41587 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 00:23:21 +00:00
Anton Korobeynikov
055c5449a4 Fix use of declaration inside case block 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41584 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-29 23:18:48 +00:00
Evan Cheng
7ecb38be0a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41579 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-29 20:45:00 +00:00
Anton Korobeynikov
066f7b40f8 Lower FRAME_TO_ADDR_OFFSET to zero by default (if not custom lowered) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41578 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-29 19:28:29 +00:00
Duncan Sands
ee46574931 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41577 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-29 19:01:20 +00:00
Raul Herbster
30b0f2f7c3 Alphabetize Raul's entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41576 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-29 18:21:29 +00:00
Raul Herbster
ff9b369f8b New contributor added 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41569 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-29 16:51:52 +00:00