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21825 Commits

Author SHA1 Message Date
Chris Lattner b1ee616de9 Don't create rotate instructions in unsupported types, because we don't have 
promote/expand code yet.  This fixes the 177.mesa failure on PPC.

llvm-svn: 25250
 2006-01-12 18:57:33 +00:00
Chris Lattner 556f14a6cb Fix branches on FP compares 
llvm-svn: 25249
 2006-01-12 17:05:32 +00:00
Chris Lattner 4f1d8b3647 Patch #10 from Saem: 
"Extracts a few more methods, reduces some redundancy in the code at
the same time."

llvm-svn: 25248
 2006-01-12 16:48:23 +00:00
Evan Cheng 84dc9b55f0 X86ISD::SETCC (e.g. SETEr) produces a flag (so multiple SETCC can be 
linked together).

llvm-svn: 25247
 2006-01-12 08:27:59 +00:00
Evan Cheng b94db9e9a4 * Materialize GlobalAddress and ExternalSym with MOV32ri rather than 
LEA32r.
* Do not lower GlobalAddress to TargetGlobalAddress. Let isel does it.

llvm-svn: 25246
 2006-01-12 07:56:47 +00:00
Evan Cheng e6300aaabc GlobalAddress -> TargetGlobalAddress; ExternalSymbol -> TargetExternalSymbol 
llvm-svn: 25245
 2006-01-12 07:54:57 +00:00
Chris Lattner fd41d94486 fix a bug in my previous checkin 
llvm-svn: 25244
 2006-01-12 07:38:04 +00:00
Chris Lattner 071c9637c3 Give V8ISD nodes symbolic names in dumps 
llvm-svn: 25243
 2006-01-12 07:31:15 +00:00
Chris Lattner dc09e40c9d Convert the verifier over to use ETForest instead of DominatorSet. Patch 
by Daniel Berlin

llvm-svn: 25242
 2006-01-12 06:17:59 +00:00
Duraid Madina 84be729a56 sabre's (correct) fix means these guys need to be flagged as well (else 
the scheduler will complain)

llvm-svn: 25241
 2006-01-12 03:28:40 +00:00
Duraid Madina dd8168d7be verily, sabre did leave 
and yea! Saem said "ARRR."

meanwhile, the pinksias and the campfires and the ET forests glowed.

llvm-svn: 25240
 2006-01-12 02:50:34 +00:00
Chris Lattner 268d3584fc ahem :) 
llvm-svn: 25239
 2006-01-12 02:05:36 +00:00
Chris Lattner 1014b38404 these cases are autogenerated 
llvm-svn: 25238
 2006-01-12 02:01:45 +00:00
Chris Lattner 44416f92f1 remove dead code 
llvm-svn: 25237
 2006-01-12 01:54:15 +00:00
Chris Lattner 33792a483a Goodbye PPC pattern isel. You have served us well, but it is now time for 
you to ride off into the sunset.

llvm-svn: 25236
 2006-01-12 01:46:07 +00:00
Chris Lattner 9d5e4e8f3c Fix an itanium call lowering bug for duraid 
llvm-svn: 25235
 2006-01-12 01:33:08 +00:00
Chris Lattner 504b63c873 invert the sense of this switch and its name 
llvm-svn: 25234
 2006-01-12 01:28:56 +00:00
Nate Begeman 6b9e00dedc Missed a spot. 
llvm-svn: 25233
 2006-01-11 23:20:28 +00:00
Evan Cheng 6d2ab04463 Added ROTL and ROTR. 
llvm-svn: 25232
 2006-01-11 23:20:05 +00:00
Chris Lattner 2812e79c23 Fix an off-by-one error that Nate's eagle eyes caught 
llvm-svn: 25231
 2006-01-11 23:16:29 +00:00
Chris Lattner dc43a3f237 Use the auto-insert BuildMI constructor to avoid an explicit insert. No 
functionality change, just code cleanup.

llvm-svn: 25230
 2006-01-11 23:07:57 +00:00
Chris Lattner 3280da3cda If a function has a non-zero sized frame, use an add to adjust the stack 
pointer in the epilog, not a load.

llvm-svn: 25229
 2006-01-11 23:03:54 +00:00
Nate Begeman c040152f94 Add testcase for rotate by register and rotate by immediate 
llvm-svn: 25228
 2006-01-11 22:58:12 +00:00
Evan Cheng 31686087cd Some minor fixes. 
llvm-svn: 25227
 2006-01-11 22:16:13 +00:00
Evan Cheng ae986f1f1e Support for MEMCPY and MEMSET. 
llvm-svn: 25226
 2006-01-11 22:15:48 +00:00
Evan Cheng 2ae799aff0 Select DYNAMIC_STACKALLOC 
llvm-svn: 25225
 2006-01-11 22:15:18 +00:00
Evan Cheng 7f4ec8274f Allow custom lowering of DYNAMIC_STACKALLOC. 
llvm-svn: 25224
 2006-01-11 22:14:47 +00:00
Evan Cheng 982493300e ignore register #0 
llvm-svn: 25223
 2006-01-11 22:13:48 +00:00
Nate Begeman 1b8121b227 Add bswap, rotl, and rotr nodes 
Add dag combiner code to recognize rotl, rotr
Add ppc code to match rotl

Targets should add rotl/rotr patterns if they have them

llvm-svn: 25222
 2006-01-11 21:21:00 +00:00
Chris Lattner 602dfea79c Fix calls that need to store values in stack slots, to not copy the stack 
pointer.  This allows us to emit stuff like this:

        li r10, 0
        stw r10, 56(r1)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

instead of this:

        or r2, r1, r1     ;; Extraneous copy.
        li r10, 0
        stw r10, 56(r2)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

wowness.

llvm-svn: 25221
 2006-01-11 19:55:07 +00:00
Chris Lattner eaf94a8d2e tblgen does this now 
llvm-svn: 25220
 2006-01-11 19:53:22 +00:00
Chris Lattner b41e92b04c This is no longer needed 
llvm-svn: 25219
 2006-01-11 19:52:46 +00:00
Chris Lattner e18ad392d3 Always select target registers to themselves 
llvm-svn: 25218
 2006-01-11 19:52:27 +00:00
Chris Lattner 66f63f72f3 Dead FP arguments still use an incoming FP reg. This fixes 
Regression/CodeGen/PowerPC/2006-01-11-darwin-fp-argument.ll, which was
distilled from a miscompilation in 252.eon.

llvm-svn: 25217
 2006-01-11 18:21:25 +00:00
Chris Lattner ed23fdd9cf Testcase the PPC backend is miscompiling. 
llvm-svn: 25216
 2006-01-11 18:15:37 +00:00
Jeff Cohen 7511720e74 Visual Studio is feeling left out again. 
llvm-svn: 25215
 2006-01-11 16:21:53 +00:00
Jeff Cohen 4e1515789e Fix VC++ compilation error. 
llvm-svn: 25214
 2006-01-11 16:21:23 +00:00
Chris Lattner a5287eac4f Patch #9 from Saem: 
"Cut up the runPasses method into smaller pieces.  The small private
helpers should  be easier to deal with when code shuffling arising
from creating the new specialised batchers, not to mention, they're
much easier to understand.

I inlined them, in case function call overhead would be noticeable --
doubtful."

llvm-svn: 25213
 2006-01-11 16:14:49 +00:00
Chris Lattner 41c7f4a9ce Use Evan's outflag stuff to implement V8cmpicc. This allows us to write a 
pattern for SUBCCrr, and makes it trivial to add support for SUBCCri, eliminating
an instruction in the common "setcc X, imm" case.

llvm-svn: 25212
 2006-01-11 07:49:38 +00:00
Chris Lattner caf4d92f85 Fix a bug in i32->f64 conversion lowering 
llvm-svn: 25211
 2006-01-11 07:27:40 +00:00
Chris Lattner d3839c74d6 Unbreak ret void :-/ 
llvm-svn: 25210
 2006-01-11 07:15:43 +00:00
Chris Lattner 8e0bee11e3 Write this pattern in canonical form, allowing more patterns to match. 
This implements Regression/CodeGen/SparcV8/xnor.ll

llvm-svn: 25209
 2006-01-11 07:14:01 +00:00
Chris Lattner 7e60169a64 catch all forms of xnor 
llvm-svn: 25208
 2006-01-11 07:13:22 +00:00
Evan Cheng bc7a0f44bd * Add special entry code main() (to set x87 to 64-bit precision). 
* Allow a register node as SelectAddr() base.
* ExternalSymbol -> TargetExternalSymbol as direct function callee.
* Use X86::ESP register rather than CopyFromReg(X86::ESP) as stack ptr for
  call parmater passing.

llvm-svn: 25207
 2006-01-11 06:09:51 +00:00
Chris Lattner 21f0c31c43 Simple is good. CVS is for revision control, not file headers 
llvm-svn: 25206
 2006-01-11 05:39:45 +00:00
Chris Lattner 2b84e01ba0 Simple is good 
llvm-svn: 25205
 2006-01-11 05:38:55 +00:00
Chris Lattner cbfaea0340 Simple is good, CVS log is for history, not the silly credits block 
llvm-svn: 25204
 2006-01-11 05:38:15 +00:00
Chris Lattner 0770d8e326 Preserve and update ETForest. Patch by Daniel Berlin 
llvm-svn: 25203
 2006-01-11 05:11:13 +00:00
Chris Lattner cb36710ff9 Switch these to using ETForest instead of DominatorSet to compute itself. 
Patch written by Daniel Berlin!

llvm-svn: 25202
 2006-01-11 05:10:20 +00:00
Chris Lattner 48e4a2ebd8 Switch this to using ETForest instead of DominatorSet to compute itself. 
Patch written by Daniel Berlin!

llvm-svn: 25201
 2006-01-11 05:09:40 +00:00