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10265 Commits

Author SHA1 Message Date
Andrew Lenharth
d534c5cb2a Adapt the code for handling uint -> fp conversion for the 32 bit case to 
handling it in the 64 bit case.  The two code paths should probably be merged.

llvm-svn: 22302
 2005-06-27 23:28:32 +00:00
Andrew Lenharth
cc12cd8c5a So, it turns out I forgot that one valid way of restoring GP after a call 
is to use RA, which assumes the called function uses RA for the register
holding the return address when it issues a ret.

llvm-svn: 22301
 2005-06-27 23:24:11 +00:00
Nate Begeman
032a94775d Initial set of .td file changes necessary to get scalar fp in xmm registers 
working.  The instruction selector changes will hopefully be coming later
this week once they are debugged.  This is necessary to support the darwin
x86 FP model, and is recommended by intel as the replacement for x87.  As
a bonus, the register allocator knows how to deal with these registers
across basic blocks, unliky the FP stackifier.  This leads to significantly
better codegen in several cases.

llvm-svn: 22300
 2005-06-27 21:20:31 +00:00
Andrew Lenharth
34630b5ab0 get rid of another pseudo op 
llvm-svn: 22299
 2005-06-27 21:11:40 +00:00
Andrew Lenharth
b80c19b01a generate address of constant pool entries 
llvm-svn: 22298
 2005-06-27 21:02:56 +00:00
Andrew Lenharth
6e30e970ed Misha happification patch 
llvm-svn: 22297
 2005-06-27 17:39:17 +00:00
Andrew Lenharth
a3f70592a7 Reduce use of pseudo ops 
Namely, output the rellocation flags explicitly when loading constants.
Added benifit: save a load when loading from the constant pool.

llvm-svn: 22296
 2005-06-27 17:15:36 +00:00
Andrew Lenharth
573514894c missed a load 
llvm-svn: 22295
 2005-06-27 16:40:26 +00:00
Andrew Lenharth
ac3ecf5338 make constant pool labels local 
llvm-svn: 22294
 2005-06-27 16:29:54 +00:00
Andrew Lenharth
f50cb3fad2 who said we had to use the return address in the return address register. Might save a move in many cases 
llvm-svn: 22293
 2005-06-27 15:36:48 +00:00
Chris Lattner
cd6b5c5011 Add support to the X86 backend for emitting ELF files. To use this, we 
currently use: llc t.bc --filetype=obj

This will produce a t.o file which is dumpable with readelf.  Currently
the file produced is empty, but the scaffolding to do more is now in place.

llvm-svn: 22292
 2005-06-27 06:30:12 +00:00
Chris Lattner
8be1980730 iniital checkin of ELFWriter implementation 
For now, the elf writer is only capable of emitting an empty elf file, with
a section table and a section table string table.  This will be enhanced
in the future :)

llvm-svn: 22291
 2005-06-27 06:29:00 +00:00
Andrew Lenharth
9dc5d846ee depend more on legalize putting constants on the RHS 
llvm-svn: 22289
 2005-06-26 23:01:11 +00:00
Andrew Lenharth
91bc570aac With setOperationAction(ISD::UINT_TO_FP, MVT::i64, Expand), Legalize 
should be able to handle this case.  The code is there, so let's see
if it works.

llvm-svn: 22288
 2005-06-26 22:23:06 +00:00
Chris Lattner
06282f51cf Refactor the addPassesToEmitAssembly interface into a addPassesToEmitFile 
interface.

llvm-svn: 22282
 2005-06-25 02:48:37 +00:00
Chris Lattner
6f3c7b46ee Fix grammar 
llvm-svn: 22279
 2005-06-24 18:00:40 +00:00
Chris Lattner
eb08628106 add a debug type 
llvm-svn: 22277
 2005-06-24 16:00:46 +00:00
Andrew Lenharth
17f46306d6 remove a pseudo instruction, make ret always right, and fix vararg chains 
llvm-svn: 22276
 2005-06-23 23:42:05 +00:00
Andrew Lenharth
51d9d1b763 finally, Working varargs 
llvm-svn: 22275
 2005-06-23 16:48:51 +00:00
Andrew Lenharth
eda77c60a0 more complete Lowering for vacopy and vaarg 
llvm-svn: 22274
 2005-06-22 23:04:28 +00:00
Andrew Lenharth
4fd2bde906 If we support structs as va_list, we must pass pointers to them to va_copy 
See last commit for LangRef, this implements it on all targets.

llvm-svn: 22273
 2005-06-22 21:04:42 +00:00
Andrew Lenharth
e54b651806 Make it easier to find alpha stuff in doxygen, and fixup labeling 
of memory instructions in the assembly, to allow later linking
of traces with LLVM Value*s.

llvm-svn: 22271
 2005-06-22 17:19:45 +00:00
John Criswell
00c8485c77 Fixed indentation. 
llvm-svn: 22270
 2005-06-20 19:59:22 +00:00
Andrew Lenharth
ce6f907ffe because some functions just use va_start and pass things to vfprintf 
llvm-svn: 22269
 2005-06-20 15:41:37 +00:00
Andrew Lenharth
4e1c8055ea the correct fix was to fix AliasAnalysis.getModRefInfo 
llvm-svn: 22268
 2005-06-20 15:25:22 +00:00
Andrew Lenharth
262b657737 prevent GCSE from forwarding stores to loads around vaarg. This is uggly, and I am trying to fix the AliasInfo, as it should catch the problem instead. 
llvm-svn: 22266
 2005-06-20 15:02:05 +00:00
Andrew Lenharth
08ff634c2b prevent va_arg from being hoisted from a loop 
llvm-svn: 22265
 2005-06-20 13:36:33 +00:00
Andrew Lenharth
cdaaa66e7d prevent DCE of vaarg intrinsics. This should take care of most regressions 
llvm-svn: 22263
 2005-06-19 14:41:20 +00:00
Andrew Lenharth
231216b573 va_end fix 
llvm-svn: 22262
 2005-06-19 14:04:55 +00:00
Andrew Lenharth
4a1dc74471 so this doesn't crash when run. It is hard to tell if things are right enough to work correctly with all the TmpInstructions running around 
llvm-svn: 22261
 2005-06-19 05:45:00 +00:00
Andrew Lenharth
6bbe9d92c6 add a check for the mixing of vaarg and vanext with va_arg 
llvm-svn: 22260
 2005-06-19 03:53:56 +00:00
Andrew Lenharth
5750531305 OK, at least get rid of old stuff, and mark what needs to be fixed for V9 
llvm-svn: 22255
 2005-06-18 18:46:40 +00:00
Andrew Lenharth
a9214fec08 core changes for varargs 
llvm-svn: 22254
 2005-06-18 18:34:52 +00:00
Reid Spencer
a6012f9023 Fix a problem with the strcmp optimization checking the wrong string and 
not casting to the correct type.

llvm-svn: 22250
 2005-06-18 17:46:28 +00:00
Reid Spencer
678c9a3b00 Clean up some uninitialized variables and missing return statements that 
GCC 4.0.0 compiler (sometimes incorrectly) warns about under release build.

llvm-svn: 22249
 2005-06-18 17:37:34 +00:00
Andrew Lenharth
0bb2dab54a A start at a Sparc V8 Pattern ISel. Anyone want to implement the calling 
convention? ;)

llvm-svn: 22247
 2005-06-17 16:52:12 +00:00
Chris Lattner
70914ca850 silence incredibly braindead GCC 4 warning 
llvm-svn: 22246
 2005-06-17 13:44:07 +00:00
Chris Lattner
dce633f2dd silence a bogus warning 
llvm-svn: 22245
 2005-06-17 13:23:32 +00:00
Tanya Lattner
2114488760 Removed IIIi specific changes. This should be fixed to add floating point deps for the IIi. 
llvm-svn: 22243
 2005-06-17 04:21:09 +00:00
Tanya Lattner
c6760c1661 Special dep graph for SMS for superblocks. 
llvm-svn: 22242
 2005-06-17 04:16:14 +00:00
Tanya Lattner
7b1d09e9b2 Special versions of the dep graph and scheduled for SMS for superblocks. 
llvm-svn: 22241
 2005-06-17 04:15:43 +00:00
Tanya Lattner
6d38454b14 Added statistic to count number of spills. 
llvm-svn: 22240
 2005-06-17 04:01:34 +00:00
Tanya Lattner
3d6e51fdac Numerous bug fixes and the completed modschedSB algorithm (minor bugs still exist for course). 
llvm-svn: 22239
 2005-06-17 04:00:57 +00:00
Tanya Lattner
df10cee694 Added SMS for superblocks as an option (experimental) 
llvm-svn: 22238
 2005-06-17 04:00:22 +00:00
Chris Lattner
11bbeace0c This is not true: (X != 13 | X < 15) -> X < 15 
It is actually always true.  This fixes PR586 and
Transforms/InstCombine/2005-06-16-SetCCOrSetCCMiscompile.ll

llvm-svn: 22236
 2005-06-17 03:59:17 +00:00
Chris Lattner
01a5794292 Don't crash when dealing with INTMIN. This fixes PR585 and 
Transforms/InstCombine/2005-06-16-RangeCrash.ll

llvm-svn: 22234
 2005-06-17 02:05:55 +00:00
Chris Lattner
8c76d5c957 Don't crash on: X = phi (X, X). 
This fixes PR584 and Transforms/SimplifyCFG/2005-06-16-PHICrash.ll

llvm-svn: 22232
 2005-06-17 01:45:53 +00:00
Chris Lattner
226f919ead avoid constructing out of range shift amounts. 
llvm-svn: 22230
 2005-06-17 01:29:28 +00:00
Nate Begeman
ed49a51836 Fix bug 537 test 2, which checks to make sure that we fold A+(B-A) -> B for 
integer types.  Add a couple checks to not perform these kinds of transform
on floating point values.

llvm-svn: 22228
 2005-06-16 07:06:03 +00:00
Chris Lattner
f95b989825 Fix PR583 and testcase Transforms/InstCombine/2005-06-15-DivSelectCrash.ll 
llvm-svn: 22227
 2005-06-16 04:55:52 +00:00