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c2438fe76f
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10280 Commits

Author SHA1 Message Date
Chris Lattner
c2438fe76f remove some debugging code 
llvm-svn: 22321
 2005-07-01 06:40:58 +00:00
Andrew Lenharth
b8c48ce74e oops 
llvm-svn: 22320
 2005-06-30 19:32:57 +00:00
Andrew Lenharth
04aa18bd2a FP EXTLOAD is not support on all archs, expand to LOAD and FP_EXTEND 
llvm-svn: 22319
 2005-06-30 19:22:37 +00:00
Chris Lattner
02fe175f3d Fix PR590 and Transforms/Mem2Reg/2005-06-30-ReadBeforeWrite.ll. 
The optimization for locally used allocas was not safe for allocas that
were read before they were written.  This change disables that optimization
in that case.

llvm-svn: 22318
 2005-06-30 07:29:44 +00:00
Nate Begeman
31e3028bac Make the x86 asm printer darwin-aware. This mostly entails doing the same 
thing as cygwin most of the time, and printing our alignments in log2
rather than number of bytes.

llvm-svn: 22316
 2005-06-30 00:53:20 +00:00
Andrew Lenharth
898efb338a restore old srcValueNode behavior and try to to work around it 
llvm-svn: 22315
 2005-06-29 18:54:02 +00:00
John Criswell
a6620d4a6e Doh! Forgot to LLVMify the style. 
llvm-svn: 22312
 2005-06-29 15:57:50 +00:00
Andrew Lenharth
edccb834bb tracking the instructions causing loads and stores provides more information than just the pointer being loaded or stored 
llvm-svn: 22311
 2005-06-29 15:57:19 +00:00
John Criswell
1bafe064da Basic fix for PR#591; don't convert an fprintf() to an fwrite() if there 
is a mismatch in their character type pointers (i.e. fprintf() prints an
array of ubytes while fwrite() takes an array of sbytes).
We can probably do better than this (such as casting the ubyte to an
sbyte).

llvm-svn: 22310
 2005-06-29 15:03:18 +00:00
Andrew Lenharth
781dd8e05f thinko 
llvm-svn: 22309
 2005-06-29 13:35:05 +00:00
Andrew Lenharth
6b4dbd7cd5 unify SelectExpr and SelectFP 
llvm-svn: 22308
 2005-06-29 12:49:51 +00:00
Andrew Lenharth
88491475e2 fix most regressions 
llvm-svn: 22307
 2005-06-29 12:23:34 +00:00
Andrew Lenharth
172871ba0f support more relocations for stores also 
llvm-svn: 22306
 2005-06-29 00:39:17 +00:00
Andrew Lenharth
41d08a0bbe Get rid of all symbolic loads. I now do gernate all relocations sequences 
rather than relying on the assembler.  Only a few more pseudo instructions
left.  Also merge load code paths.

llvm-svn: 22305
 2005-06-29 00:31:08 +00:00
Andrew Lenharth
d1dbc8ab27 some call work 
llvm-svn: 22303
 2005-06-27 23:59:51 +00:00
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