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18236 Commits

Author SHA1 Message Date
Chris Lattner
884f49c47e minor cleanups 
llvm-svn: 35807
 2007-04-09 06:10:06 +00:00
Reid Spencer
6bc0205a2a For PR1146: 
Move parameter attributes functionality to ParamAttrsList class.

llvm-svn: 35806
 2007-04-09 06:07:52 +00:00
Chris Lattner
de148c7887 move a bunch of register constraints from being handled by 
getRegClassForInlineAsmConstraint to being handled by
getRegForInlineAsmConstraint.  This allows us to let the llvm register allocator
allocate, which gives us better code.  For example, X86/2007-01-29-InlineAsm-ir.ll
used to compile to:

_run_init_process:
        subl $4, %esp
        movl %ebx, (%esp)
        xorl %ebx, %ebx
        movl $11, %eax
        movl %ebx, %ecx
        movl %ebx, %edx
        # InlineAsm Start
        push %ebx ; movl %ebx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End

Now we get:
_run_init_process:
        xorl %ecx, %ecx
        movl $11, %eax
        movl %ecx, %edx
        # InlineAsm Start
        push %ebx ; movl %ecx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End

llvm-svn: 35804
 2007-04-09 05:49:22 +00:00
Chris Lattner
b940a717ac implement support for CodeGen/X86/inline-asm-x-scalar.ll:test3 - i32/i64 values 
used with x constraints.

llvm-svn: 35803
 2007-04-09 05:31:48 +00:00
Chris Lattner
13a530ec7f implement CodeGen/X86/inline-asm-x-scalar.ll:test3 
llvm-svn: 35802
 2007-04-09 05:31:20 +00:00
Chris Lattner
c360f69afe add some assertions 
llvm-svn: 35800
 2007-04-09 05:23:13 +00:00
Chris Lattner
e2d3bf8ecf implement CodeGen/X86/inline-asm-x-scalar.ll 
llvm-svn: 35799
 2007-04-09 05:11:28 +00:00
Owen Anderson
e4c29f0b01 Move isReachableFromEntry out of line to avoid an unnecessary #include 
llvm-svn: 35797
 2007-04-09 04:07:36 +00:00
Chris Lattner
b3c4c64197 Fix a bug that caused alignment information to occasionally get stripped off 
of an allocation instruction when writing to bytecode.

llvm-svn: 35796
 2007-04-09 03:37:36 +00:00
Reid Spencer
4ede44609e Regenerate 
llvm-svn: 35795
 2007-04-09 01:56:05 +00:00
Reid Spencer
93d41cc941 Drop the implementation keyword. 
llvm-svn: 35794
 2007-04-09 01:55:42 +00:00
Chris Lattner
218d43af10 Fix PR1304 and Transforms/InstCombine/2007-04-08-SingleEltVectorCrash.ll 
llvm-svn: 35792
 2007-04-09 01:37:55 +00:00
Chris Lattner
958d804293 Fix a bug introduced with my previous patch, where it didn't correctly handle 
instructions which replace themselves when FI's are rewritten (common on ppc).
This fixes CodeGen/PowerPC/2006-10-17-ppc64-alloca.ll

llvm-svn: 35789
 2007-04-09 01:19:33 +00:00
Chris Lattner
b3d105a4f9 Eliminate useless insertelement instructions. This implements 
Transforms/InstCombine/vec_insertelt.ll and fixes PR1286.

We now compile the code from that bug into:

_foo:
        movl 4(%esp), %eax
        movdqa (%eax), %xmm0
        movl 8(%esp), %ecx
        psllw (%ecx), %xmm0
        movdqa %xmm0, (%eax)
        ret

instead of:

_foo:
        subl $4, %esp
        movl %ebp, (%esp)
        movl %esp, %ebp
        movl 12(%ebp), %eax
        movdqa (%eax), %xmm0
        #IMPLICIT_DEF %eax
        pinsrw $2, %eax, %xmm0
        xorl %ecx, %ecx
        pinsrw $3, %ecx, %xmm0
        pinsrw $4, %eax, %xmm0
        pinsrw $5, %ecx, %xmm0
        pinsrw $6, %eax, %xmm0
        pinsrw $7, %ecx, %xmm0
        movl 8(%ebp), %eax
        movdqa (%eax), %xmm1
        psllw %xmm0, %xmm1
        movdqa %xmm1, (%eax)
        movl %ebp, %esp
        popl %ebp
        ret

woo :)

llvm-svn: 35788
 2007-04-09 01:11:16 +00:00
Owen Anderson
f9a432a613 Cleanup some from my DomSet-removal changes. Add a new 
isReachableFromEntry
test to ETForest to factor a common test out of code.

llvm-svn: 35786
 2007-04-09 00:52:49 +00:00
Chris Lattner
1a746d3b8e Fix CodeGen/Generic/2007-04-08-MultipleFrameIndices.ll and PR1308: 
some instructions can have multiple frame indices in them.  If this happens,
rewrite all of them.

llvm-svn: 35785
 2007-04-09 00:46:10 +00:00
Chris Lattner
5f8b0c2acc Fix PR1316 
llvm-svn: 35783
 2007-04-09 00:33:58 +00:00
Reid Spencer
aedaf87e5e No functional change, this is just easier to read and debug. 
llvm-svn: 35782
 2007-04-08 23:58:41 +00:00
Chris Lattner
f9506a185b Fix for CodeGen/X86/2007-04-08-InlineAsmCrash.ll and PR1314 
llvm-svn: 35779
 2007-04-08 22:23:26 +00:00
Owen Anderson
4b323657b9 Remove DomSet completely. This concludes work on PR1171. 
llvm-svn: 35775
 2007-04-08 21:30:05 +00:00
Reid Spencer
82c0c6353b Make sure temporary data is not used past its life span. 
llvm-svn: 35773
 2007-04-08 20:10:14 +00:00
Chris Lattner
4ed32d0891 Fix a typo that broke SimplifyLibCalls/SPrintF.ll (pr1315) 
llvm-svn: 35768
 2007-04-08 18:11:26 +00:00
Chris Lattner
1a1b798eb5 reenable this xform, whoops :) 
llvm-svn: 35765
 2007-04-08 08:01:49 +00:00
Chris Lattner
1760b42378 Fix regression on Instcombine/apint-or2.ll 
llvm-svn: 35763
 2007-04-08 07:55:22 +00:00
Chris Lattner
d435e0bfd2 Generalize the code that handles (A&B)|(A&C) to work where B/C are not constants. 
Add a new xform to simplify (A&B)|(~A&C).  THis implements InstCombine/or2.ll:test1

llvm-svn: 35760
 2007-04-08 07:47:01 +00:00
Chris Lattner
34464bdf2b implement a fixme: move optimizations for fwrite out of fputs into a new 
fwrite optimizer.

llvm-svn: 35758
 2007-04-08 07:00:35 +00:00
Nick Lewycky
71592d1ef2 Remove DominatorSet usage from LoopSimplify. Patch from Owen Anderson. 
llvm-svn: 35757
 2007-04-08 01:04:30 +00:00
Nick Lewycky
26652f5681 Don't crash when encountering a BasicBlock that hasn't been registered yet. 
llvm-svn: 35756
 2007-04-08 01:02:12 +00:00
Chris Lattner
16fe035aa4 Significantly simplify the clients of GetConstantStringInfo, by having it 
just return the string itself.

llvm-svn: 35755
 2007-04-07 21:58:02 +00:00
Chris Lattner
5b3be230d4 Fix problems in the sprintf optimizer 
llvm-svn: 35754
 2007-04-07 21:17:51 +00:00
Chris Lattner
99a7ea0b00 Change CastToCStr to take a pointer instead of a reference. 
Fix some miscompilations in fprintf optimizer.

llvm-svn: 35753
 2007-04-07 21:04:50 +00:00
Jeff Cohen
d40c15afaa Unbreak VC++ build. 
llvm-svn: 35751
 2007-04-07 20:47:27 +00:00
Chris Lattner
fcc6fe0a9c Fix an off-by-one error that broke Prolangs/deriv2 with llc on x86 
and Prolangs-C/cdecl

llvm-svn: 35749
 2007-04-07 20:19:08 +00:00
Reid Spencer
fb17dbb809 Avoid a useless temporary constrution. 
llvm-svn: 35747
 2007-04-07 19:51:45 +00:00
Reid Spencer
845c291c87 Fix another PathWithStatus issue. 
llvm-svn: 35744
 2007-04-07 19:45:30 +00:00
Reid Spencer
875a2bc4db For PR1291: 
Change uses of sys::Path class to sys::PathWithStatus in those places where
the file status information is needed.

llvm-svn: 35743
 2007-04-07 18:53:16 +00:00
Reid Spencer
14fb379888 For PR1291: 
Implement the PathWithStatus class and its use throughout lib/System.

llvm-svn: 35742
 2007-04-07 18:52:17 +00:00
Owen Anderson
7cf9d12f2e Add DomSet back, and revert the changes to LoopSimplify. Apparently the 
ETForest updating mechanisms don't work as I thought they did.  These changes
will be reapplied once the issue is worked out.

llvm-svn: 35741
 2007-04-07 18:23:27 +00:00
Zhou Sheng
c2cfa6111d Eliminate unnecessary APInt construction. 
llvm-svn: 35740
 2007-04-07 17:48:27 +00:00
Zhou Sheng
7bcd47dbc1 Make APInt variables do the computation stuffs instead of 
ConstantExpr::getXX if possible.

llvm-svn: 35738
 2007-04-07 17:40:57 +00:00
Zhou Sheng
21dfc2107a Eliminate unnecessary zext/trunc stuffs. 
llvm-svn: 35737
 2007-04-07 17:12:38 +00:00
Nick Lewycky
e6cb3e2433 Add support for cast instructions. 
llvm-svn: 35734
 2007-04-07 15:48:32 +00:00
Nick Lewycky
ec51e934ef Add signExtend to ConstantRange, to complement zeroExtend and truncate. 
llvm-svn: 35733
 2007-04-07 15:41:33 +00:00
Owen Anderson
85b0e20f2a Completely purge DomSet. This is the (hopefully) final patch for PR1171. 
llvm-svn: 35731
 2007-04-07 07:17:27 +00:00
Owen Anderson
177b1a6aea Completely purge DomSet from LoopSimplify. This is part of the 
continuing work on PR1171.

llvm-svn: 35730
 2007-04-07 06:56:47 +00:00
Owen Anderson
e2add101a4 BreakCriticalEdges does still preserve DominatorTree. 
llvm-svn: 35729
 2007-04-07 05:57:09 +00:00
Owen Anderson
eb184ee17b Expunge DomSet from BreakCriticalEdges. This is part of the continuing 
work for PR 1171.

llvm-svn: 35728
 2007-04-07 05:49:29 +00:00
Chris Lattner
c1bce783e8 Fix a bug in my earlier commit which exposed positional options backwards. 
This fixes llvm-ar.

llvm-svn: 35727
 2007-04-07 05:38:53 +00:00
Owen Anderson
41bf50021d Expunge DomSet from CodeExtractor. This is part of the continuing work 
on PR1171.

llvm-svn: 35726
 2007-04-07 05:31:27 +00:00
Nick Lewycky
3e77af40ff Support NE inequality in ValueRanges. 
llvm-svn: 35724
 2007-04-07 04:49:12 +00:00
Owen Anderson
5403a248af Expunge DomSet from LoadValueNumbering. This is part of the continuing 
work on PR1171.

llvm-svn: 35723
 2007-04-07 04:43:07 +00:00
Owen Anderson
54c7efee4d Expunge a bunch of uses of DomSet from LoopSimplify. Many more remain. 
This is the beginning of work for PR1171.

llvm-svn: 35720
 2007-04-07 04:37:14 +00:00
Nick Lewycky
7fbec59fb4 Cleanup. Refactor out the applying of value ranges to its own method. 
llvm-svn: 35719
 2007-04-07 03:36:51 +00:00
Nick Lewycky
80cf96b3f8 Use TargetData to find the size of a type. 
llvm-svn: 35718
 2007-04-07 03:16:12 +00:00
Nick Lewycky
3ddf638983 Strengthen icmp snuggling by doing 'compare-or-equal-to' to 'compare' 
first and then range testing second.

llvm-svn: 35715
 2007-04-07 02:30:14 +00:00
Devang Patel
562df7f986 Add loop rotation pass. 
llvm-svn: 35714
 2007-04-07 01:25:15 +00:00
Chris Lattner
dbf5d6cf68 fix a miscompilation in printf optimizer. 
llvm-svn: 35713
 2007-04-07 01:18:36 +00:00
Chris Lattner
9aa0d009c1 trunc to bool no longer compares against zero 
llvm-svn: 35712
 2007-04-07 01:03:46 +00:00
Chris Lattner
312c204869 cleanups for strlen optimizer 
llvm-svn: 35711
 2007-04-07 01:02:00 +00:00
Chris Lattner
5f27ea3613 Introduce a new ReplaceCallWith method, which simplifies a lot of code. 
llvm-svn: 35710
 2007-04-07 00:42:32 +00:00
Chris Lattner
fba13c72ef fixes for strcpy optimizer 
llvm-svn: 35709
 2007-04-07 00:26:18 +00:00
Chris Lattner
02ae7ab94f Fix bugs in strncmp. 
llvm-svn: 35708
 2007-04-07 00:06:57 +00:00
Chris Lattner
d8a16e67ab fix 3 miscompilations and several compielr crashes in strcmp optimizer. 
llvm-svn: 35707
 2007-04-07 00:01:51 +00:00
Chris Lattner
c61ff0afc0 Fix several nasty bugs in the strchr optimizer, this fixes 
SimplifyLibCalls/2007-04-06-strchr-miscompile.ll and PR1307

llvm-svn: 35706
 2007-04-06 23:38:55 +00:00
Chris Lattner
bfad67243a clean up strcat optimizer, no functionality change. 
llvm-svn: 35704
 2007-04-06 22:59:33 +00:00
Chris Lattner
d03767c332 rename getConstantStringLength -> GetConstantStringInfo. Make it return 
the start index of the array as well as the length.  No functionality change.

llvm-svn: 35703
 2007-04-06 22:54:17 +00:00
Chris Lattner
0160bf7114 rearchitect the registration mechanism used by the command line option stuff. 
This dramatically reduce the amount of memory allocated by the commandline stuff
at static init time, changing it to build local data structures when ParseCommandLineOptions
is called.  In a dummy empty program that links some llvm libraries, this reduces
the number of malloc'd bytes from 4864 to 3360 on entry to main.  Most of that
memory is now allocated by non-commandline related stuff.

llvm-svn: 35701
 2007-04-06 21:06:55 +00:00
Chris Lattner
03c84be56b implement Transforms/InstCombine/malloc2.ll and PR1313 
llvm-svn: 35700
 2007-04-06 18:57:34 +00:00
Chris Lattner
b39a2df066 minor comment fix 
llvm-svn: 35696
 2007-04-06 17:47:14 +00:00
Reid Spencer
5d36a01dba For PR1209: 
Implement Type class's ContainedTys without using a std::vector.

llvm-svn: 35693
 2007-04-06 02:02:20 +00:00
Chris Lattner
d33f94f2d2 remove the dead removeArgument method, rename Options to OptionsMap. 
llvm-svn: 35690
 2007-04-05 21:58:17 +00:00
Chris Lattner
19b9e90f9c Fix Transforms/GlobalOpt/2007-04-05-Crash.ll 
llvm-svn: 35689
 2007-04-05 21:09:42 +00:00
Chris Lattner
997967979f Use a worklist-driven algorithm instead of a recursive one. 
llvm-svn: 35680
 2007-04-05 01:27:02 +00:00
Reid Spencer
aad0b4536b Change the bit_part_select (non)implementation from "return 0" to abort. 
llvm-svn: 35679
 2007-04-05 01:20:18 +00:00
Reid Spencer
6eb55df794 Implement the llvm.bit.part_select.iN.iN.iN overloaded intrinsic. 
llvm-svn: 35678
 2007-04-04 23:48:25 +00:00
Reid Spencer
a72beea861 Squelch a warning about mismatch between sign of constant and sign of return 
type.

llvm-svn: 35674
 2007-04-04 22:07:24 +00:00
Anton Korobeynikov
e16f421e0e Properly emit range comparisons for switch cases, where neighbour cases 
go to the same destination. Now we're producing really good code for
switch-lower-feature.ll testcase

llvm-svn: 35672
 2007-04-04 21:14:49 +00:00
Dale Johannesen
fb15913194 Prevent transformConstExprCastCall from generating conversions that assert 
elsewhere.

llvm-svn: 35668
 2007-04-04 19:16:42 +00:00
Chris Lattner
ed593d6789 stringmap memory managed with malloc now 
llvm-svn: 35666
 2007-04-04 17:24:28 +00:00
Jeff Cohen
01d4afe6da Fix 2007-04-04-BadFoldBitcastIntoMalloc.ll 
llvm-svn: 35665
 2007-04-04 16:58:57 +00:00
Evan Cheng
b7ec9433b3 Re-materialize all loads from fixed stack slots. 
llvm-svn: 35660
 2007-04-04 07:40:01 +00:00
Evan Cheng
48b94106d6 Trivially re-materializable instructions have spill weights that are half of what it would be otherwise. 
llvm-svn: 35658
 2007-04-04 07:04:55 +00:00
Reid Spencer
d8c3813f51 For PR1302: 
Use local variable names that match the function parameter name that it
is passed to so the code is more clear, to wit: is_bytecode -> is_native

llvm-svn: 35656
 2007-04-04 06:44:18 +00:00
Duncan Sands
de998e6599 Fix comment. 
llvm-svn: 35655
 2007-04-04 06:42:45 +00:00
Reid Spencer
87ede33a19 For PR1302: 
Implement file tests for both LinkInLibrary and LinkInFile to determine if
the file is native. Don't generate warnings if the file is native.

llvm-svn: 35653
 2007-04-04 06:33:17 +00:00
Reid Spencer
6df393cf38 For PR1302: 
Adjust useage of sys::Path::FileType for new enumerator names.

llvm-svn: 35651
 2007-04-04 06:31:04 +00:00
Reid Spencer
e825ec8a72 For PR1302: 
Implement recognition of COFF, ELF and Mach-O object/shared lib files.

llvm-svn: 35650
 2007-04-04 06:30:26 +00:00
Chris Lattner
8a4ca643dd use calloc instead of new/memset, it is more efficient 
llvm-svn: 35644
 2007-04-04 00:44:31 +00:00
Chris Lattner
dbf6a79a71 Extend StringMap to support being initialized as completely empty. When 
initialized this way, they do not do a malloc to allocate their buckets.

llvm-svn: 35642
 2007-04-04 00:29:37 +00:00
Evan Cheng
44488cb676 Implement inline asm modifier P. 
llvm-svn: 35640
 2007-04-04 00:13:29 +00:00
Evan Cheng
d5956e4409 Typo. 
llvm-svn: 35639
 2007-04-04 00:06:07 +00:00
Bill Wendling
a4aa65bc38 Adding more MMX instructions. 
llvm-svn: 35638
 2007-04-03 23:48:32 +00:00
Chris Lattner
78271f0596 make a new missing features section 
llvm-svn: 35637
 2007-04-03 23:41:34 +00:00
Evan Cheng
2cd9df6983 Remove unused constant pool entries. 
llvm-svn: 35635
 2007-04-03 23:39:48 +00:00
Bill Wendling
ff2c460267 Updated 
llvm-svn: 35634
 2007-04-03 23:37:20 +00:00
Chris Lattner
974e931689 Fix a bug I introduced with my patch yesterday which broke Qt (I converted 
some constant exprs to apints).

Thanks to Anton for tracking down a small testcase that triggered this!

llvm-svn: 35633
 2007-04-03 23:29:39 +00:00
Chris Lattner
59994ede6b greatly reduce hte default size of stringmap. 
llvm-svn: 35632
 2007-04-03 22:15:38 +00:00
Evan Cheng
db15aa24f9 Fixed a bug that causes codegen of noop like add r0, r0, #0. 
llvm-svn: 35627
 2007-04-03 21:31:21 +00:00
Chris Lattner
bfe18d29f9 reinstate the previous two patches, with a bugfix :) 
ldecod now passes.

llvm-svn: 35626
 2007-04-03 17:43:25 +00:00
Nicolas Geoffray
681a87d9e8 Starting implementation of the ELF32 ABI specification of varargs handling. 
LowerVASTART emits the right code if the subtarget is ELF32, the other intrinsics
(VAARG, VACOPY and VAEND) are not yet implemented.

llvm-svn: 35625
 2007-04-03 13:59:52 +00:00