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Author SHA1 Message Date
John Criswell
c0c186d140 Merged from RELEASE_16. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24243 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-08 21:11:33 +00:00
Chris Lattner
f0e80cf909 adjust itf 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24242 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-08 18:52:57 +00:00
Chris Lattner
f469cb6546 Clean up RemoveDeadNodes significantly, by eliminating the need for a temporary 
set and eliminating the need to iterate whenever something is removed (which
can be really slow in some cases).  Thx to Jim for pointing out something silly
I was getting stuck on. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24241 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-08 18:52:27 +00:00
Chris Lattner
df2e425f2a Add a new option to indicate we want the code generator to emit code quickly, 
not spending tons of time microoptimizing it.  This is useful for an -O0
style of build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24235 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-08 02:12:47 +00:00
Chris Lattner
178e0c41ce Add a new -fast option, which generates code quickly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24234 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-08 02:12:17 +00:00
Chris Lattner
ce8eb0c16b Add a new option to indicate we want the code generator to emit code quickly,not spending tons of time microoptimizing it. This is useful for an -O0style of build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24233 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-08 02:11:51 +00:00
Jim Laskey
26b91ebb63 Let's try ignoring resource utilization on the backward pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24231 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-07 19:08:53 +00:00
Duraid Madina
d525df3c27 add support for storing and returning bools 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24228 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-07 03:11:02 +00:00
Chris Lattner
cbef8ba5f9 Always compute max align. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24227 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 17:43:20 +00:00
Chris Lattner
cb982916f7 Change a comment slightly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24226 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 17:40:18 +00:00
Duraid Madina
00873ebc1f just some random hacking - calls (particularly indirect) need a lot of 
love (especially with -sched=simple)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24225 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 13:43:30 +00:00
Nate Begeman
ae232e7a10 Add the necessary support to the ISel to allow targets to codegen the new 
alignment information appropriately.  Includes code for PowerPC to support
fixed-size allocas with alignment larger than the stack.  Support for
arbitrarily aligned dynamic allocas coming soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24224 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 09:00:38 +00:00
Chris Lattner
ce5e04e710 minor clarity changes, no functionality difference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24223 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 08:23:17 +00:00
Chris Lattner
3aef571287 Make sure to initialize the alignment field 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24222 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 08:22:18 +00:00
Chris Lattner
2cbdc45f35 document alignment on globals, functions, and allocation instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24221 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 08:02:57 +00:00
Chris Lattner
52942b5a32 Minor correction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24220 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 07:48:11 +00:00
Chris Lattner
54b369e752 don't misencode CC#'s 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24219 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 07:46:13 +00:00
Chris Lattner
e73bd45c1d encode/decode function alignment in bc files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24218 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 07:43:39 +00:00
Chris Lattner
afedcb36aa describe extensions to the .bc format for function/global alignment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24217 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 07:20:25 +00:00
Chris Lattner
8eb52dd734 Read/write global variable alignments if present 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24216 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 07:11:04 +00:00
Chris Lattner
abdf0f5327 add alignment info for globals and functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24213 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 06:52:11 +00:00
Chris Lattner
30caa2876c print alignment info for globals and functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24212 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 06:48:53 +00:00
Chris Lattner
0019bbe198 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24211 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 06:46:53 +00:00
Chris Lattner
87ac972709 Allow globals to have an alignment specified. Switch to using isPowerOf2_32 
at Jim's request for the checking code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24210 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 06:46:28 +00:00
Chris Lattner
b2f71b12f7 allow functions and modules to have an explicit alignment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24209 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 06:44:42 +00:00
Chris Lattner
7d09ab6b88 regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24208 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 06:34:34 +00:00
Chris Lattner
66db8e4aab factor optional alignment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24207 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 06:34:12 +00:00
Duraid Madina
21687e8f63 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24206 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-06 04:29:30 +00:00
Chris Lattner
49b1602a40 enumerate non-standard argument encoding cases, such as alignment info for 
allocations


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24205 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 22:32:06 +00:00
Chris Lattner
f97fa59313 rearrange some info about the instruction encoding 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24204 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 22:20:06 +00:00
Chris Lattner
42ba6b4b88 Write/read allocation instruction alignment info to .bc files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24203 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 22:08:14 +00:00
Chris Lattner
4e240c25e3 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24202 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 22:07:30 +00:00
Chris Lattner
8ae779da70 add an accessor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24201 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 21:58:30 +00:00
Chris Lattner
6033716140 verify that alignments are always a power of 2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24200 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 21:57:54 +00:00
Chris Lattner
d91c32110a regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24199 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 21:54:23 +00:00
Chris Lattner
ac6e5c10db Verify that alignment amounts are a power of 2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24198 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 21:54:03 +00:00
Chris Lattner
9fad0b9974 fix printing the alignment directive 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24197 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 21:20:34 +00:00
Nate Begeman
14b0529532 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24196 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 09:21:28 +00:00
Chris Lattner
ae4664a9f2 add a case Nate sent me 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24195 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 08:57:56 +00:00
Chris Lattner
3b5f45042b Implement Transforms/TailCallElim/return-undef.ll, a trivial case 
that has been sitting in my inbox since May 18. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24194 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 08:21:11 +00:00
Chris Lattner
3e2245bd34 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24191 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 08:20:28 +00:00
Chris Lattner
c812e5d6b8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24190 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 07:40:31 +00:00
Chris Lattner
11a49f2c0d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24189 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 07:28:37 +00:00
Jim Laskey
a5e5bff8b8 Fix logic bug in finding retry slot in tally. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24188 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-05 00:01:25 +00:00
Jim Laskey
54f997d23f Fix a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24187 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 18:26:02 +00:00
Duraid Madina
764fe71e12 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24186 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 17:55:53 +00:00
Duraid Madina
b97cc99058 kill redundant SP/GP/RP save/restores across calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24183 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 10:01:10 +00:00
Duraid Madina
9f7290633a add support for loading bools 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24182 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 09:59:06 +00:00
Jim Laskey
7d090f3485 Scheduling now uses itinerary data. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24180 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 04:05:35 +00:00
Jeff Cohen
be07f72ca2 <cassert> no longer required to make VC++ happy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24177 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-04 02:59:16 +00:00