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Author SHA1 Message Date
Chris Lattner
bcea8db4e4 document alignment on globals, functions, and allocation instructions. 
llvm-svn: 24221
 2005-11-06 08:02:57 +00:00
Chris Lattner
bdf3e04a53 Minor correction 
llvm-svn: 24220
 2005-11-06 07:48:11 +00:00
Chris Lattner
e86e4acf28 don't misencode CC#'s 
llvm-svn: 24219
 2005-11-06 07:46:13 +00:00
Chris Lattner
6c8657e621 encode/decode function alignment in bc files 
llvm-svn: 24218
 2005-11-06 07:43:39 +00:00
Chris Lattner
aea08816e0 describe extensions to the .bc format for function/global alignment 
llvm-svn: 24217
 2005-11-06 07:20:25 +00:00
Chris Lattner
b456fb372d Read/write global variable alignments if present 
llvm-svn: 24216
 2005-11-06 07:11:04 +00:00
Chris Lattner
e859d486df add alignment info for globals and functions 
llvm-svn: 24213
 2005-11-06 06:52:11 +00:00
Chris Lattner
6991a6f23f print alignment info for globals and functions 
llvm-svn: 24212
 2005-11-06 06:48:53 +00:00
Chris Lattner
96d1807bfc regenerate 
llvm-svn: 24211
 2005-11-06 06:46:53 +00:00
Chris Lattner
8cda8020c7 Allow globals to have an alignment specified. Switch to using isPowerOf2_32 
at Jim's request for the checking code.

llvm-svn: 24210
 2005-11-06 06:46:28 +00:00
Chris Lattner
0505c89e9c allow functions and modules to have an explicit alignment 
llvm-svn: 24209
 2005-11-06 06:44:42 +00:00
Chris Lattner
f98cdabb75 regenerate 
llvm-svn: 24208
 2005-11-06 06:34:34 +00:00
Chris Lattner
e09addd94b factor optional alignment 
llvm-svn: 24207
 2005-11-06 06:34:12 +00:00
Duraid Madina
cf11aefc91 ask for 16-byte aligned jmpbufs. This should unbreak C++ on IA64 (and 
a bunch of other things) but is currently ignored by the code
generator.

llvm-svn: 24206
 2005-11-06 04:29:30 +00:00
Chris Lattner
46da94a1c4 enumerate non-standard argument encoding cases, such as alignment info for 
allocations

llvm-svn: 24205
 2005-11-05 22:32:06 +00:00
Chris Lattner
dada9d949f rearrange some info about the instruction encoding 
llvm-svn: 24204
 2005-11-05 22:20:06 +00:00
Chris Lattner
76a2afc0d3 Write/read allocation instruction alignment info to .bc files. 
llvm-svn: 24203
 2005-11-05 22:08:14 +00:00
Chris Lattner
28c9ac03ef new testcase 
llvm-svn: 24202
 2005-11-05 22:07:30 +00:00
Chris Lattner
cfaf9f14c0 add an accessor 
llvm-svn: 24201
 2005-11-05 21:58:30 +00:00
Chris Lattner
c6ef0112c0 verify that alignments are always a power of 2 
llvm-svn: 24200
 2005-11-05 21:57:54 +00:00
Chris Lattner
a0d532c757 regenerate 
llvm-svn: 24199
 2005-11-05 21:54:23 +00:00
Chris Lattner
f2e7f355a0 Verify that alignment amounts are a power of 2 
llvm-svn: 24198
 2005-11-05 21:54:03 +00:00
Chris Lattner
8eee9a6234 fix printing the alignment directive 
llvm-svn: 24197
 2005-11-05 21:20:34 +00:00
Nate Begeman
f299b9fb03 Add support alignment of allocation instructions. 
Add support for specifying alignment and size of setjmp jmpbufs.

No targets currently do anything with this information, nor is it presrved
in the bytecode representation.  That's coming up next.

llvm-svn: 24196
 2005-11-05 09:21:28 +00:00
Chris Lattner
dc19995e25 add a case Nate sent me 
llvm-svn: 24195
 2005-11-05 08:57:56 +00:00
Chris Lattner
0bd3e3230c Implement Transforms/TailCallElim/return-undef.ll, a trivial case 
that has been sitting in my inbox since May 18. :)

llvm-svn: 24194
 2005-11-05 08:21:11 +00:00
Chris Lattner
f94c31b160 New testcase 
llvm-svn: 24191
 2005-11-05 08:20:28 +00:00
Chris Lattner
4352c050d1 Turn sdiv into udiv if both operands have a clear sign bit. This occurs 
a few times in crafty:

OLD:    %tmp.36 = div int %tmp.35, 8            ; <int> [#uses=1]
NEW:    %tmp.36 = div uint %tmp.35, 8           ; <uint> [#uses=0]
OLD:    %tmp.19 = div int %tmp.18, 8            ; <int> [#uses=1]
NEW:    %tmp.19 = div uint %tmp.18, 8           ; <uint> [#uses=0]
OLD:    %tmp.117 = div int %tmp.116, 8          ; <int> [#uses=1]
NEW:    %tmp.117 = div uint %tmp.116, 8         ; <uint> [#uses=0]
OLD:    %tmp.92 = div int %tmp.91, 8            ; <int> [#uses=1]
NEW:    %tmp.92 = div uint %tmp.91, 8           ; <uint> [#uses=0]

Which all turn into shrs.

llvm-svn: 24190
 2005-11-05 07:40:31 +00:00
Chris Lattner
297e545d4b Turn srem -> urem when neither input has their sign bit set. This triggers 
8 times in vortex, allowing the srems to be turned into shrs:

OLD:    %tmp.104 = rem int %tmp.5.i37, 16               ; <int> [#uses=1]
NEW:    %tmp.104 = rem uint %tmp.5.i37, 16              ; <uint> [#uses=0]
OLD:    %tmp.98 = rem int %tmp.5.i24, 16                ; <int> [#uses=1]
NEW:    %tmp.98 = rem uint %tmp.5.i24, 16               ; <uint> [#uses=0]
OLD:    %tmp.91 = rem int %tmp.5.i19, 8         ; <int> [#uses=1]
NEW:    %tmp.91 = rem uint %tmp.5.i19, 8                ; <uint> [#uses=0]
OLD:    %tmp.88 = rem int %tmp.5.i14, 8         ; <int> [#uses=1]
NEW:    %tmp.88 = rem uint %tmp.5.i14, 8                ; <uint> [#uses=0]
OLD:    %tmp.85 = rem int %tmp.5.i9, 1024               ; <int> [#uses=2]
NEW:    %tmp.85 = rem uint %tmp.5.i9, 1024              ; <uint> [#uses=0]
OLD:    %tmp.82 = rem int %tmp.5.i, 512         ; <int> [#uses=2]
NEW:    %tmp.82 = rem uint %tmp.5.i1, 512               ; <uint> [#uses=0]
OLD:    %tmp.48.i = rem int %tmp.5.i.i161, 4            ; <int> [#uses=1]
NEW:    %tmp.48.i = rem uint %tmp.5.i.i161, 4           ; <uint> [#uses=0]
OLD:    %tmp.20.i2 = rem int %tmp.5.i.i, 4              ; <int> [#uses=1]
NEW:    %tmp.20.i2 = rem uint %tmp.5.i.i, 4             ; <uint> [#uses=0]

it also occurs 9 times in gcc, but with odd constant divisors (1009 and 61)
so the payoff isn't as great.

llvm-svn: 24189
 2005-11-05 07:28:37 +00:00
Jim Laskey
5a3005b7d0 Fix logic bug in finding retry slot in tally. 
llvm-svn: 24188
 2005-11-05 00:01:25 +00:00
Jim Laskey
305647f84e Fix a warning 
llvm-svn: 24187
 2005-11-04 18:26:02 +00:00
Duraid Madina
c2c2e353ee oops, forgot to load GP for indirect calls, though the old code now commented 
out failed (e.g. methcall) - now the code compiles, though it's not quite
right just yet (tm) ;)

would fix this but it's 3am! :O

llvm-svn: 24186
 2005-11-04 17:55:53 +00:00
Duraid Madina
e8456a9175 kill redundant SP/GP/RP save/restores across calls 
llvm-svn: 24183
 2005-11-04 10:01:10 +00:00
Duraid Madina
1c632094d4 add support for loading bools 
llvm-svn: 24182
 2005-11-04 09:59:06 +00:00
Jim Laskey
670144ec9e Scheduling now uses itinerary data. 
llvm-svn: 24180
 2005-11-04 04:05:35 +00:00
Jeff Cohen
16669485c1 <cassert> no longer required to make VC++ happy. 
llvm-svn: 24177
 2005-11-04 02:59:16 +00:00
Duraid Madina
feeaabd6f1 change NULL to 0, unbreaks the ppc target when building on ia64 
llvm-svn: 24176
 2005-11-04 01:45:04 +00:00
Duraid Madina
f5824e4fa3 fun with predicates! (add TRUNC i64->i1, AND i1 i1, fix XOR i1 i1) 
llvm-svn: 24175
 2005-11-04 00:57:56 +00:00
Jim Laskey
42681c1d58 1. Remove ranges from itinerary data. 
2. Tidy up the subtarget emittined code.

llvm-svn: 24172
 2005-11-03 22:47:41 +00:00
Chris Lattner
99bd05542a Fix mac os spelling 
llvm-svn: 24171
 2005-11-03 22:33:48 +00:00
Chris Lattner
af918d3cb2 Add more bison versions, thanks to Vladimir 
llvm-svn: 24169
 2005-11-03 18:32:06 +00:00
Chris Lattner
197956dfca Per bug 655, give people more options in case 1.35 doesn't build on their 
system.

llvm-svn: 24168
 2005-11-03 18:28:22 +00:00
Duraid Madina
4adb8143ce add pattern to load constant 0 into a predicate reg 
llvm-svn: 24164
 2005-11-03 10:09:32 +00:00
Chris Lattner
e18362e079 add a hack that fixes: 
llvm-gcc main.c -Wl,-native -o a.out -g

This is important because it used by many configure scripts.

John, please pull this onto the 1.6 branch.

llvm-svn: 24163
 2005-11-03 07:17:51 +00:00
Chris Lattner
5a4c453d60 Reject integer literals that are out of range for their type. 
llvm-svn: 24162
 2005-11-03 05:46:11 +00:00
Chris Lattner
cfb7edb4ed Fix a bug that prevented this pattern from matching 
llvm-svn: 24161
 2005-11-03 05:45:34 +00:00
Nate Begeman
d6ddce1ced Fix a crash that Andrew noticed, and add a pair of braces to unfconfuse 
XCode's indenting.

llvm-svn: 24159
 2005-11-02 18:42:59 +00:00
Andrew Lenharth
9a32a77e33 make this 64 bit clean, fixed test30 of /Regression/Transforms/InstCombine/add.ll 
llvm-svn: 24158
 2005-11-02 18:35:40 +00:00
Andrew Lenharth
1298acb17d This is missed by InstCombine, patch comming 
llvm-svn: 24157
 2005-11-02 18:34:05 +00:00
Chris Lattner
776c711246 Fix a QOI issue noticed by Markus F.X.J. Oberhumer. 
This fixes PR641

llvm-svn: 24154
 2005-11-02 17:42:58 +00:00