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Author SHA1 Message Date
Chris Lattner
f4a6f4d0ef irbuilder is doing constant folding now by default, PR6092 
llvm-svn: 96502
 2010-02-17 19:54:34 +00:00
Chris Lattner
9af1b53985 fix some out of date prose dating from the LLVMContext changes. 
llvm-svn: 96500
 2010-02-17 19:51:31 +00:00
Daniel Dunbar
27247dd1e8 Fix comment. 
llvm-svn: 96498
 2010-02-17 19:26:45 +00:00
Chris Lattner
a1f12685c7 redisable this to save people a small amount of build time. 
llvm-svn: 96497
 2010-02-17 19:19:50 +00:00
Jakob Stoklund Olesen
e7862f29ec Dead code elimination. 
llvm-svn: 96496
 2010-02-17 19:13:56 +00:00
Chris Lattner
5f903139fa "Fix and issue in SparcAsmPrinter where multiple identical .LLGETPCHn symbols could be emitted in the same file (it was uniqued by block number, but not by function number). " Patch by Nathan Keynes! 
llvm-svn: 96495
 2010-02-17 18:57:19 +00:00
Chris Lattner
2ec1f1a54a move isOnlyReachableByFallthrough out of MachineBasicBlock into AsmPrinter, 
and add a sparc implementation that knows about delay slots.  Patch by
Nathan Keynes!

llvm-svn: 96492
 2010-02-17 18:52:56 +00:00
Chris Lattner
f95f8a8c7c add a note, from PR5100 
llvm-svn: 96490
 2010-02-17 18:42:24 +00:00
Chris Lattner
4f86feb7ab add missing method, PR6284 
llvm-svn: 96489
 2010-02-17 18:39:56 +00:00
Chris Lattner
96be7e85dc add optional debian instructions, PR6272 
llvm-svn: 96488
 2010-02-17 18:33:13 +00:00
Sanjiv Gupta
313cec0425 Added routine to clone the body of a function and maintain a map of already 
cloned functions.

llvm-svn: 96485
 2010-02-17 18:11:29 +00:00
Duncan Sands
96fead3488 Mention an API change. 
llvm-svn: 96480
 2010-02-17 17:20:17 +00:00
Duncan Sands
e2bc75b41e Pacify gcc-4.5, which warns (correctly) that these switches have 
cases that are not part of the enum.

llvm-svn: 96477
 2010-02-17 14:52:22 +00:00
Eric Christopher
018a0e9907 Revert: 
r95605 | dpatel | 2010-02-08 15:27:46 -0800 (Mon, 08 Feb 2010) | 2 lines

test case for r95604.

Which was the testcase for the patch reverted from llvm-gcc.

llvm-svn: 96474
 2010-02-17 08:53:27 +00:00
Chris Lattner
b8c69426ef reduce nesting. 
llvm-svn: 96466
 2010-02-17 06:53:36 +00:00
Sanjiv Gupta
da2298ee21 Added a function to clone locals of a function.( which for pic16 are globals 
with mangled names).

llvm-svn: 96465
 2010-02-17 06:48:50 +00:00
Chris Lattner
143e2b6181 improve comments, the matcher is now feature complete, on to codegen. 
llvm-svn: 96464
 2010-02-17 06:47:35 +00:00
Sanjiv Gupta
581ae3d134 Removed header files from .h by adding forward decls. 
Renamed PIC16FrameOverlay namespace to PIC16OVERLAY.
Renamed PIC16FrameOverlay class to PIC16Overlay.

llvm-svn: 96463
 2010-02-17 06:46:23 +00:00
Johnny Chen
3107d9d344 Added BFI for disassembly only. 
A8.6.18  BFI - Bitfield insert (Encoding A1)

llvm-svn: 96462
 2010-02-17 06:31:48 +00:00
Chris Lattner
955ce23e27 sink special case "cannotyetselect" for intrinsics out of the 
tblgen splatted code into the implementation.

llvm-svn: 96460
 2010-02-17 06:28:22 +00:00
Chris Lattner
8f3afbc621 Emulate the current isel's "IsChainCompatible" logic for now. 
I'd like to eventually rip it out, but for now producing the
same selections as the old matcher is more important.

llvm-svn: 96458
 2010-02-17 06:23:39 +00:00
Chris Lattner
15eb8504cd properly record chain inputs to complex patterns, 
resolving a fixme.

llvm-svn: 96457
 2010-02-17 06:08:25 +00:00
Chris Lattner
735a4efeff rename and document some arguments so I don't have to keep 
reverse engineering what they are.

llvm-svn: 96456
 2010-02-17 06:07:47 +00:00
Anton Korobeynikov
5a321b42ea Use pointer-wide encoding for LSDA and FDE on Darwin. 
Hopefully, this will fix the remaining issues seen there.

llvm-svn: 96454
 2010-02-17 05:53:11 +00:00
Chris Lattner
abb5e906a7 simplify IsChainCompatible codegen, add comments. no 
functionality change.

llvm-svn: 96453
 2010-02-17 05:35:28 +00:00
Lang Hames
b477072a21 Removed an early out which was causing the PBQP allocator to not compute live-in sets or run the rewriter. 
llvm-svn: 96450
 2010-02-17 03:42:51 +00:00
Dan Gohman
1cc421b590 Fix SCEVExpander's existing PHI reuse checking to recognize the 
case where there are loop-invariant instructions somehow left
inside the loop, and in a position where they won't dominate
the IV increment position.

llvm-svn: 96448
 2010-02-17 02:39:31 +00:00
Devang Patel
0f421b8fc5 Before setting scope end marker, pay attention to scope begin marker and existing scope end marker, if any. Scope must begin before it ends and nested inlined scope do not truncate surrounding scope. 
llvm-svn: 96445
 2010-02-17 02:20:34 +00:00
Chris Lattner
44d2031ca8 Prep work to handle input chains of matched patterns and checking for 
'ischaincompatible' when a pattern has more than one input chain.  Need
to do some commenting and cleanup now that I understand how this works.

llvm-svn: 96443
 2010-02-17 02:16:19 +00:00
Chris Lattner
e93c85eb5e daniel remembered why this was needed. 
llvm-svn: 96440
 2010-02-17 01:55:54 +00:00
Chris Lattner
ff307a48c2 add a comment explaining why darwin/i386 uses ## as a comment. 
It's not clear why this is really required, but it was explicitly
added in r48808 with no real explanation or rdar #.

llvm-svn: 96438
 2010-02-17 01:38:01 +00:00
Chris Lattner
ac9295346b record input chains. 
llvm-svn: 96437
 2010-02-17 01:34:15 +00:00
Chris Lattner
a6df2a60e5 prefix captured value names with $ so they look like 
variables.  Use the fancy OpNo variable instead of i,
which has the right index including chains.

llvm-svn: 96436
 2010-02-17 01:27:29 +00:00
Sanjiv Gupta
6e98127ab8 Initial implementation of PIC16 Cloner pass. 
This pass is supposed to be run on the linked .bc module.
It traveses the module call graph twice. Once starting from the main function
and marking each reached function as "ML". Again, starting from the ISR
and cloning any reachable function that was marked as "ML". After cloning
the function, it remaps all the call sites in IL functions to call the
cloned functions. 

Currently only marking is being done.

llvm-svn: 96435
 2010-02-17 01:11:53 +00:00
Dan Gohman
3cb7dc5912 Don't check for comments, which vary between subtargets. 
llvm-svn: 96434
 2010-02-17 01:08:57 +00:00
Chris Lattner
ab430d225c improve comments on OPC_Record to say what we're recording a node. 
llvm-svn: 96433
 2010-02-17 01:03:09 +00:00
Dan Gohman
2a4208c74e Fold bswap(undef) to undef. 
llvm-svn: 96432
 2010-02-17 00:54:58 +00:00
Dan Gohman
82f46afcdd Delete some unneeded casts. 
llvm-svn: 96429
 2010-02-17 00:42:19 +00:00
Dan Gohman
493a1fcbe0 Don't attempt to divide INT_MIN by -1; consider such cases to 
have overflowed.

llvm-svn: 96428
 2010-02-17 00:41:53 +00:00
Chris Lattner
9625fb062a make the new isel's interpreter loop call the generated 
CheckComplexPattern function.  Though it is logically const,
I don't have the fortitude to clean up all the targets now,
and it not being const doesn't block anything.

llvm-svn: 96426
 2010-02-17 00:41:34 +00:00
Chris Lattner
fdd452441a improve comments in generated matcher a bit. 
llvm-svn: 96422
 2010-02-17 00:39:26 +00:00
Dan Gohman
d35c563d80 Make the operand and format specifier match, and print all 
64 bits, fixing a variety of problems.

llvm-svn: 96421
 2010-02-17 00:37:20 +00:00
Chris Lattner
1f818d2e25 make the new isel generator plop out a CheckComplexPattern function 
for evaluating complex patterns.  Some cleanup has to happen before
this can be used though.

llvm-svn: 96419
 2010-02-17 00:31:50 +00:00
Bob Wilson
532656cffc Wrap lines to 80 columns and generally try to clean up whitespace and 
indentation.  No functional changes.

llvm-svn: 96418
 2010-02-17 00:31:29 +00:00
Chris Lattner
c87f9d6d1a roundss is an sse 4 thing, fix the test on non-sse41 builders 
like llvm-gcc-x86_64-darwin10-selfhost

llvm-svn: 96417
 2010-02-17 00:29:06 +00:00
Chris Lattner
ebf80812e3 fix inverted condition. 
llvm-svn: 96416
 2010-02-17 00:11:30 +00:00
Dale Johannesen
d147b9a4d4 Make g5 target explicit; scheduling affects register choice. 
llvm-svn: 96413
 2010-02-16 23:25:23 +00:00
Chris Lattner
3499eaaac1 complex patterns don't get 'record' nodes, they implicitly 
record all their results.

llvm-svn: 96412
 2010-02-16 23:16:25 +00:00
Chris Lattner
c89e98d63b clean up some code, eliminate NodeIsComplexPattern, which 
does the same thing as getComplexPatternInfo.

llvm-svn: 96411
 2010-02-16 23:13:59 +00:00
Bill Wendling
964b01232c Make error statement more personal. 
llvm-svn: 96410
 2010-02-16 22:47:14 +00:00