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Author SHA1 Message Date
Chris Lattner
78266fb5ee fix this testcase so the regex doesn't match the function name 
llvm-svn: 21210
 2005-04-10 20:45:35 +00:00
Chris Lattner
1b9e1e26cb don't zextload fp values! 
llvm-svn: 21209
 2005-04-10 17:40:35 +00:00
Duraid Madina
a416f4bbf3 * store immediate values as int64_t, not int. come on, we should be happy 
when there are immediates, let's not worry about the memory overhead of
this :)

* add addU64Imm(uint64_t val) to machineinstrbuilder

(seriously: this seems required to support 64-bit immediates cleanly. if it
_really_ gets on your nerves, feel free to pull it out ;) )

coming up next week: "all your floating point constants are belong to us"

llvm-svn: 21208
 2005-04-10 09:18:55 +00:00
Nate Begeman
34aa7ec9cb Fix another fixme: factor out the constant fp generation code. 
llvm-svn: 21207
 2005-04-10 06:06:10 +00:00
Nate Begeman
b6c9b326e3 Fix 64 bit argument loading that straddles the args in regs / args on stack 
boundary.

llvm-svn: 21206
 2005-04-10 05:53:14 +00:00
Chris Lattner
0c089eae41 Until we have a dag combiner, promote using zextload's instead of extloads. 
This gives the optimizer a bit of information about the top-part of the
value.

llvm-svn: 21205
 2005-04-10 04:33:47 +00:00
Chris Lattner
9d13d0b958 Fold zext_inreg(zextload), likewise for sext's 
llvm-svn: 21204
 2005-04-10 04:33:08 +00:00
Chris Lattner
9c8fe594e5 add a simple xform 
llvm-svn: 21203
 2005-04-10 04:04:49 +00:00
Nate Begeman
0a43e95718 Remove unnecessary Implicit Defs. Since r0 is not in allocation, we do not 
have to inform the register allocator it might be stepped on.

llvm-svn: 21202
 2005-04-10 03:59:42 +00:00
Chris Lattner
0b5d7c60ea make this harder 
llvm-svn: 21201
 2005-04-10 03:18:18 +00:00
Chris Lattner
ebd5f35ec8 oops add ~ 
llvm-svn: 21200
 2005-04-10 03:07:25 +00:00
Chris Lattner
3b6521c882 new testcase for previously unsupported unary complex operators 
llvm-svn: 21199
 2005-04-10 03:06:27 +00:00
Nate Begeman
f5cedbc812 Make sure that BRCOND branches can be converted into long branches too. 
llvm-svn: 21198
 2005-04-10 01:48:29 +00:00
Nate Begeman
ab8e705a52 Don't hand ISD::CALL nodes off to SelectExprFP. This fixes siod. 
llvm-svn: 21197
 2005-04-10 01:14:13 +00:00
Chris Lattner
b3518a838c Fix a thinko. If the operand is promoted, pass the promoted value into 
the new zero extend, not the original operand.  This fixes cast bool -> long
on ppc.

Add an unrelated fixme

llvm-svn: 21196
 2005-04-10 01:13:15 +00:00
Chris Lattner
c1bacbff9d rename getPPCOpcodeForSetCCNumber -> getPPCOpcodeForSetCCOpode to be more 
correct.  Remove the EmitComparison retvalue, as it is always the first arg.

Fix a place where we incorrectly passed in the setcc opcode instead of the
setcc number, causing us to miscompile crafty.  Crafty now works!

llvm-svn: 21195
 2005-04-10 01:03:31 +00:00
Nate Begeman
a2374d39df fix ISD::BRCONDTWOWAY codegen to not deference the end() iterator 
llvm-svn: 21193
 2005-04-09 23:35:05 +00:00
Chris Lattner
17c60891c1 Fix CodeGen/Generic/2005-05-09-GlobalInPHI.ll, which was reduced from 254.gap. 
This caused the "use before a def" assertion on some programs.

With this patch, 254.gap now passes with the PPC backend.

llvm-svn: 21191
 2005-04-09 22:05:17 +00:00
Chris Lattner
ed826ae12c new testcase that used to crash the ppc fe. It could effect any simpleisel 
that is not careful, so I'm checking it into the generic tests.

llvm-svn: 21190
 2005-04-09 22:03:10 +00:00
Chris Lattner
034716de24 add a little peephole optimization. This allows us to codegen: 
int a(short i) {
        return i & 1;
}

as

_a:
        andi. r3, r3, 1
        blr

instead of:

_a:
        rlwinm r2, r3, 0, 16, 31
        andi. r3, r2, 1
        blr

on ppc.  It should also help the other risc targets.

llvm-svn: 21189
 2005-04-09 21:43:54 +00:00
Chris Lattner
b630949c2e do not set the root to null if an argument is dead 
llvm-svn: 21188
 2005-04-09 21:23:24 +00:00
Nate Begeman
dda6155d19 Add rlwnm instruction for variable rotate 
Generate rotate left/right immediate
Generate code for brcondtwoway
Use new livein/liveout functionality

llvm-svn: 21187
 2005-04-09 20:09:12 +00:00
Chris Lattner
72b1964108 Fix a crash on 173.applu by asking for a constant bigger than 32-bits. 
llvm-svn: 21185
 2005-04-09 19:47:21 +00:00
Chris Lattner
c97f9f403f Switch this instruction selector over to using liveins and liveouts, eliminating 
implicit defs on entry to the function.  yaay :)

llvm-svn: 21184
 2005-04-09 16:32:30 +00:00
Chris Lattner
77ab286605 there is no need to remove this instruction, linscan does it already as it 
removes noop moves.

llvm-svn: 21183
 2005-04-09 16:24:20 +00:00
Chris Lattner
f408e9a07b Adjust live intervals to support a livein set 
llvm-svn: 21182
 2005-04-09 16:17:50 +00:00
Chris Lattner
fd4d6e0847 Use live out sets for return values instead of imp_defs, which is cleaner and faster. 
llvm-svn: 21181
 2005-04-09 15:23:56 +00:00
Chris Lattner
1a9c8fc64a Consider the livein/out set for a function, allowing targets to not have to 
use ugly imp_def/imp_uses for arguments and return values.

llvm-svn: 21180
 2005-04-09 15:23:25 +00:00
Chris Lattner
3cbcd49059 add routines to track the livein/out set for a function 
llvm-svn: 21179
 2005-04-09 15:22:53 +00:00
Duraid Madina
2d3e52576d ok, the "ia64 has a boatload of registers" joke stopped being funny today ;) 
* fix overallocation of integer (stacked) registers: we can't allocate
  registers for local use if they are required as output registers

this fixes 'toast' in the test suite, and all sorts of larger programs
like bzip2 etc.

llvm-svn: 21178
 2005-04-09 11:53:00 +00:00
Nate Begeman
98bcb13bfa Optimize FSEL a bit for fneg arguments. This fixes the recently added test 
case so that we emit

_test_fneg_sel:
.LBB_test_fneg_sel_0:   ;
        fsel f1, f1, f3, f2
        blr

instead of:

_test_fneg_sel:
.LBB_test_fneg_sel_0:   ;
        fneg f0, f1
        fneg f0, f0
        fsel f1, f0, f3, f2
        blr

llvm-svn: 21177
 2005-04-09 09:33:07 +00:00
Nate Begeman
d2c77c276e Add a testcase to make sure that we don't emit two fneg instructions back 
to back for certain fsel instructions.

llvm-svn: 21176
 2005-04-09 09:30:09 +00:00
Nate Begeman
eae59b7df3 Add cases to cover the rest of the patterns we should be matching 
llvm-svn: 21175
 2005-04-09 08:29:59 +00:00
Chris Lattner
3fde68ea7a Fix CodeGen/SparcV9/2005-05-09-GEP-Crash.ll a crash on some specfp program 
lets hope this doesn't break other programs with induced entropy

llvm-svn: 21174
 2005-04-09 06:27:14 +00:00
Chris Lattner
8a5098c5bf New testcase that the sparc backend crashes on 
llvm-svn: 21173
 2005-04-09 06:26:27 +00:00
Chris Lattner
afa0001d54 recognize some patterns as fabs operations, so that fabs at the source level 
is deconstructed then reconstructed here.  This catches 19 fabs's in 177.mesa
9 in 168.wupwise, 5 in 171.swim, 3 in 172.mgrid, and 14 in 173.applu out of
specfp2000.

This allows the X86 code generator to make MUCH better code than before for
each of these and saves one instr on ppc.

This depends on the previous CFE patch to expose these correctly.

llvm-svn: 21171
 2005-04-09 05:15:53 +00:00
Chris Lattner
08e03f0b05 make this test more interesting 
llvm-svn: 21170
 2005-04-09 04:55:14 +00:00
Chris Lattner
c79ab1eac9 add a test for fnabs 
llvm-svn: 21169
 2005-04-09 04:03:16 +00:00
Chris Lattner
60fd2fb6d8 add a partial test for the fma operations that ppc supports. I'm sure I'm 
missing some and not all of these match yet, but I'm sure that Nate will
clean up my mess :)

llvm-svn: 21168
 2005-04-09 04:01:32 +00:00
Chris Lattner
8e6eafa8e1 Emit BRCONDTWOWAY when possible. 
llvm-svn: 21167
 2005-04-09 03:30:29 +00:00
Chris Lattner
55b73bda6c Legalize BRCONDTWOWAY into a BRCOND/BR pair if a target doesn't support it. 
llvm-svn: 21166
 2005-04-09 03:30:19 +00:00
Chris Lattner
da902bdf1b print and fold BRCONDTWOWAY correctly 
llvm-svn: 21165
 2005-04-09 03:27:28 +00:00
Chris Lattner
39f963f968 This target does not support/want ISD::BRCONDTWOWAY 
llvm-svn: 21164
 2005-04-09 03:22:37 +00:00
Chris Lattner
c80baf5567 This target does not yet support ISD::BRCONDTWOWAY 
llvm-svn: 21163
 2005-04-09 03:22:30 +00:00
Chris Lattner
b0e6e4b693 Add a new node 
llvm-svn: 21162
 2005-04-09 03:21:50 +00:00
Nate Begeman
99fb6814bd 64b: Expand S/UREM 
32b: No longer pattern match fneg(fsub(fmul)) as fnmsub
     Pattern match fsub a, mul(b, c) as fnmsub
     Pattern match fadd a, mul(b, c) as fmadd
Those changes speed up hydro2d by 2.5%, distray by 6%, and scimark by 8%

llvm-svn: 21161
 2005-04-09 03:05:51 +00:00
Chris Lattner
31170cd2ec canonicalize a bunch of operations involving fneg 
llvm-svn: 21160
 2005-04-09 03:02:46 +00:00
Nate Begeman
95e1b860a1 Fix 64b shifts 
llvm-svn: 21159
 2005-04-08 23:45:01 +00:00
Chris Lattner
6c466448d3 fix this method for 64-bit constants 
llvm-svn: 21158
 2005-04-08 21:31:29 +00:00
Nate Begeman
3fca499b8d Match Mac OS X 64 bit calling conventions 
llvm-svn: 21157
 2005-04-08 21:26:05 +00:00