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Author SHA1 Message Date
Chris Lattner
1f2cdab20f new testcase 
llvm-svn: 21708
 2005-05-06 00:58:09 +00:00
Misha Brukman
1996bf6ea5 * Order #includes alphabetically 
* Remove commented-out debug printouts

llvm-svn: 21707
 2005-05-05 23:45:17 +00:00
Misha Brukman
d29b27d73b Remove extra blank line 
llvm-svn: 21706
 2005-05-05 23:43:47 +00:00
Misha Brukman
3ae7b6af05 * Use consistent spacing for function arguments 
* Output single-character strings as chars

llvm-svn: 21705
 2005-05-05 22:38:21 +00:00
Misha Brukman
f52511fcc6 Remove vim settings from source code; people should use llvm/utils/vim/vimrc 
llvm-svn: 21704
 2005-05-05 22:33:09 +00:00
Misha Brukman
e2e8059814 Convert tabs to spaces 
llvm-svn: 21703
 2005-05-05 22:30:40 +00:00
Chris Lattner
3e946df29b new testcase for PR541 
llvm-svn: 21702
 2005-05-05 22:23:10 +00:00
Chris Lattner
64134a43a1 add support for undef values of opaque type, addressing PR541 
llvm-svn: 21701
 2005-05-05 22:21:19 +00:00
Chris Lattner
c390fbea0d Add some extra checks. Opaque types don't have a null marker. 
llvm-svn: 21700
 2005-05-05 20:57:00 +00:00
Chris Lattner
f83598edd5 new testcase 
llvm-svn: 21699
 2005-05-05 17:57:24 +00:00
Chris Lattner
6e8167d1c2 When hitting an unsupported intrinsic, actually print it 
Lower debug info to noops.

llvm-svn: 21698
 2005-05-05 17:55:17 +00:00
Andrew Lenharth
09c3c4add4 ctpop lowering in legalize 
llvm-svn: 21697
 2005-05-05 15:55:21 +00:00
Chris Lattner
adcc532d05 Fix a bug compimling Ruby, fixing this testcase: 
LowerSetJmp/2005-05-05-OldUses.ll

llvm-svn: 21696
 2005-05-05 15:47:43 +00:00
Chris Lattner
07e6a7ac34 new testcase for a bug Jim found 
llvm-svn: 21695
 2005-05-05 15:47:16 +00:00
Andrew Lenharth
8e2beec4d1 fix typo 
llvm-svn: 21693
 2005-05-04 19:25:37 +00:00
Andrew Lenharth
58ff51b153 Well, add support for ct* for 21264 only. 
21164 is broken until expand works.

llvm-svn: 21692
 2005-05-04 19:12:09 +00:00
Andrew Lenharth
9282d00d4f Make promoteOp work for CT* 
Proof?

ubyte %bar(ubyte %x) {
entry:
        %tmp.1 = call ubyte %llvm.ctlz( ubyte %x )
        ret ubyte %tmp.1
}

==>

zapnot $16,1,$0
CTLZ $0,$0
subq $0,56,$0
zapnot $0,1,$0
ret $31,($26),1

llvm-svn: 21691
 2005-05-04 19:11:05 +00:00
Chris Lattner
1c462db06f Instcombine: cast (X != 0) to int, cast (X == 1) to int -> X iff X has only the low bit set. 
This implements set.ll:test20.

This triggers 2x on povray, 9x on mesa, 11x on gcc, 2x on crafty, 1x on eon,
6x on perlbmk and 11x on m88ksim.

It allows us to compile these two functions into the same code:

struct s { unsigned int bit : 1; };
unsigned foo(struct s *p) {
  if (p->bit)
    return 1;
  else
    return 0;
}
unsigned bar(struct s *p) { return p->bit; }

llvm-svn: 21690
 2005-05-04 19:10:26 +00:00
Chris Lattner
207e92ec5f new testcase 
llvm-svn: 21689
 2005-05-04 19:05:02 +00:00
Reid Spencer
c564fd819c Implement the IsDigitOptimization for simplifying calls to the isdigit 
library function:
  isdigit(chr) -> 0 or 1 if chr is constant
  isdigit(chr) -> chr - '0' <= 9 otherwise

Although there are many calls to isdigit in llvm-test, most of them are
compiled away by macros leaving only this:

2 MultiSource/Applications/hexxagon

llvm-svn: 21688
 2005-05-04 18:58:28 +00:00
Reid Spencer
793d169d29 Make sure both optimization cases get tested. 
llvm-svn: 21687
 2005-05-04 17:45:10 +00:00
Reid Spencer
04242d8b3a Add a test case for the IsDigitOptimization class. 
llvm-svn: 21686
 2005-05-04 17:34:55 +00:00
Andrew Lenharth
3cde1721c7 comment fix 
llvm-svn: 21685
 2005-05-04 15:56:34 +00:00
Andrew Lenharth
0ecfe05b76 see if the legalize code propery compensates for the additional zeros introduced 
llvm-svn: 21684
 2005-05-04 15:51:07 +00:00
Reid Spencer
d06dc0f95d Correct the descriptions of WHILE...END and RROT. Thanks to Lalo Martins 
for pointing out these errors.

llvm-svn: 21683
 2005-05-04 15:43:40 +00:00
Reid Spencer
dc2ab16e6f WHILE does not "pop" a value, it "examines" to top of stack. Make this 
clear in the applicable comment.

llvm-svn: 21682
 2005-05-04 15:33:48 +00:00
Andrew Lenharth
315a093ece added a use of ctpop to debug stuff with 
llvm-svn: 21681
 2005-05-04 15:20:16 +00:00
Andrew Lenharth
fd47801152 fixup argument 
llvm-svn: 21680
 2005-05-04 14:58:31 +00:00
Reid Spencer
8d2736401b * Correct the function prototypes for some of the functions to match the 
actual spec (int -> uint)
* Add the ability to get/cache the strlen function prototype.
* Make sure generated values are appropriately named for debugging purposes
* Add the SPrintFOptimiation for 4 casts of sprintf optimization:
    sprintf(str,cstr) -> llvm.memcpy(str,cstr) (if cstr has no %)
    sprintf(str,"")   -> store sbyte 0, str
    sprintf(str,"%s",src) -> llvm.memcpy(str,src) (if src is constant)
    sprintf(str,"%c",chr) -> store chr, str   ; store sbyte 0, str+1

The sprintf optimization didn't fire as much as I had hoped:

  2 MultiSource/Applications/SPASS
  5 MultiSource/Benchmarks/McCat/18-imp
 22 MultiSource/Benchmarks/Prolangs-C/TimberWolfMC
  1 MultiSource/Benchmarks/Prolangs-C/assembler
  6 MultiSource/Benchmarks/Prolangs-C/unix-smail
  2 MultiSource/Benchmarks/mediabench/mpeg2/mpeg2dec

llvm-svn: 21679
 2005-05-04 03:20:21 +00:00
Misha Brukman
fc2b6af1b1 Minor clean-ups 
llvm-svn: 21678
 2005-05-03 20:30:34 +00:00
Andrew Lenharth
583f305fca initial descriptions of count intrinsics 
llvm-svn: 21677
 2005-05-03 18:01:48 +00:00
Andrew Lenharth
8b64bd0fd5 Implement count leading zeros (ctlz), count trailing zeros (cttz), and count 
population (ctpop).  Generic lowering is implemented, however only promotion
is implemented for SelectionDAG at the moment.

More coming soon.

llvm-svn: 21676
 2005-05-03 17:19:30 +00:00
Reid Spencer
b28a320411 Fix this test to succeed even if "strchr" is on a call instruction. 
llvm-svn: 21675
 2005-05-03 17:09:38 +00:00
Reid Spencer
04b3cda068 Add a test case for SPrintFOptimization. 
llvm-svn: 21674
 2005-05-03 17:08:45 +00:00
Andrew Lenharth
0d415d9fa4 yea yea yea 
llvm-svn: 21673
 2005-05-03 17:00:48 +00:00
Andrew Lenharth
56638cf76c note the vararg change, and other stuff 
llvm-svn: 21672
 2005-05-03 16:59:09 +00:00
Andrew Lenharth
84cde851a5 pre add count tests 
llvm-svn: 21671
 2005-05-03 16:49:48 +00:00
Chris Lattner
9620dd281d fix a bug in the 1 index GEP handling code 
llvm-svn: 21670
 2005-05-03 16:44:45 +00:00
Reid Spencer
f52c228416 Implement optimizations for the strchr and llvm.memset library calls. 
Neither of these activated as many times as was hoped:

strchr:
9 MultiSource/Applications/siod
1 MultiSource/Applications/d
2 MultiSource/Prolangs-C/archie-client
1 External/SPEC/CINT2000/176.gcc/176.gcc

llvm.memset:
no hits

llvm-svn: 21669
 2005-05-03 07:23:44 +00:00
Reid Spencer
e4895c439b Add a test case for StrChrOptimizer for -simplify-libcalls 
llvm-svn: 21668
 2005-05-03 06:22:41 +00:00
Misha Brukman
acbc3604de Clean up and correct llvmc configurations for C and C++ 
llvm-svn: 21667
 2005-05-03 06:13:18 +00:00
Misha Brukman
02594aa1f7 std::string(NULL) does not a proper constructor make 
llvm-svn: 21666
 2005-05-03 06:10:51 +00:00
Chris Lattner
e53a188512 add direct support for making GEP instrs with one index 
llvm-svn: 21665
 2005-05-03 05:43:30 +00:00
Misha Brukman
c30b62238f Omit periods at the end of command-line switch explanations for consistency 
llvm-svn: 21664
 2005-05-03 05:36:14 +00:00
Reid Spencer
a77025d96d A new test case for the LLVMMemSetOptimization. 
llvm-svn: 21663
 2005-05-03 04:00:24 +00:00
Jeff Cohen
d33e8df701 Use ANSI-approved way of getting the value infinity (otherwise VC++ won't compile it) 
llvm-svn: 21662
 2005-05-03 03:13:01 +00:00
Reid Spencer
0c484ea7de Avoid garbage output in the statistics display by ensuring that the 
strings passed to Statistic's constructor are not destructable. The stats
are printed during static destruction and the SimplifyLibCalls module was
getting destructed before the statistics.

llvm-svn: 21661
 2005-05-03 02:54:54 +00:00
Reid Spencer
123f4e393f Add the StrNCmpOptimization which is similar to strcmp. 
Unfortunately, this optimization didn't trigger on any llvm-test tests.

llvm-svn: 21660
 2005-05-03 01:43:45 +00:00
Reid Spencer
da05f00bbf Correct the title and the success criteria: strcmp -> strncmp 
llvm-svn: 21659
 2005-05-03 00:52:19 +00:00
Reid Spencer
263c65154c Add a new test case for the StrNCmpOptimization. 
llvm-svn: 21658
 2005-05-03 00:50:43 +00:00