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Author SHA1 Message Date
Evan Cheng
296ed401de New LSR test case. 
llvm-svn: 32029
 2006-11-29 23:48:37 +00:00
Evan Cheng
f64e341522 In PIC mode, GV not requiring an extra load can be used as address immediate. 
llvm-svn: 32028
 2006-11-29 23:48:14 +00:00
Evan Cheng
1e3f41acde Clean up. 
llvm-svn: 32027
 2006-11-29 23:46:27 +00:00
Evan Cheng
7e20347607 Fix for PR1018 - Better support for X86-64 Linux in small code model. 
llvm-svn: 32026
 2006-11-29 23:19:46 +00:00
Reid Spencer
52d8c5bd3b Get the delegation right for InstVisitor. 
llvm-svn: 32025
 2006-11-29 21:37:00 +00:00
Chris Lattner
3219b522c8 Fix bug codegen'ing FP constant vectors with integer splats. Make sure the 
created intrinsics have the right integer types.  This fixes
PowerPC/2006-11-29-AltivecFPSplat.ll

llvm-svn: 32024
 2006-11-29 19:58:49 +00:00
Chris Lattner
8fb93fdef7 new testcase 
llvm-svn: 32023
 2006-11-29 19:57:55 +00:00
Evan Cheng
c9710a3e29 Avoid inifinite looping if READCYCLECOUNTER isn't custom lowered. 
llvm-svn: 32022
 2006-11-29 19:13:47 +00:00
Jim Laskey
d7db5b4a9c Eliminate unnecessary scopes. 
llvm-svn: 32020
 2006-11-29 16:55:57 +00:00
Jim Laskey
00bcb51943 Offset for load of 32-bit arg in 64-bit world was incorrect. 
llvm-svn: 32019
 2006-11-29 13:37:09 +00:00
Evan Cheng
d8429bd99f Add x86-64 llvm.readcyclecounter test. 
llvm-svn: 32018
 2006-11-29 08:29:59 +00:00
Evan Cheng
f968824cdb Custom lower READCYCLECOUNTER for x86-64. 
llvm-svn: 32017
 2006-11-29 08:28:13 +00:00
Evan Cheng
2acb6345d8 Allow target to custom lower READCYCLECOUNTER (when it doesn't have to be expanded). 
llvm-svn: 32016
 2006-11-29 08:26:18 +00:00
Evan Cheng
cf9ff23184 Fix test. 
llvm-svn: 32015
 2006-11-29 08:22:59 +00:00
Bill Wendling
43476f030c Oops! didn't mean to put this in there yet. 
llvm-svn: 32014
 2006-11-29 07:31:23 +00:00
Chris Lattner
e72dff706e done 
llvm-svn: 32013
 2006-11-29 07:21:46 +00:00
Chris Lattner
941474486f new bswap idiom 
llvm-svn: 32012
 2006-11-29 07:21:08 +00:00
Chris Lattner
2fd5719f50 implement cast.ll:test35. With this, we recognize: 
unsigned short swp(unsigned short a) {
       return ((a & 0xff00) >> 8 | (a & 0x00ff) << 8);
}

as an idiom for bswap.

llvm-svn: 32011
 2006-11-29 07:18:39 +00:00
Chris Lattner
0fe0a11839 new testcase 
llvm-svn: 32010
 2006-11-29 07:17:32 +00:00
Chris Lattner
03fdea2e74 Teach instcombine to turn trunc(srl x, c) -> srl (trunc(x), c) when safe. 
This implements InstCombine/cast.ll:test34.  It fires hundreds of times on
176.gcc.

llvm-svn: 32009
 2006-11-29 07:04:07 +00:00
Chris Lattner
bedba50acf new testcase 
llvm-svn: 32008
 2006-11-29 07:03:00 +00:00
Chris Lattner
5188a27d52 This fails on mainline. 
llvm-svn: 32007
 2006-11-29 05:19:32 +00:00
Chris Lattner
0409f2c48d Implement Regression/Transforms/InstCombine/bswap-fold.ll, 
folding   seteq (bswap(x)), c -> seteq(x,bswap(c))

llvm-svn: 32006
 2006-11-29 05:02:16 +00:00
Chris Lattner
ff4e213d2d new testcase, bswaps should be eliminated. 
llvm-svn: 32005
 2006-11-29 05:00:14 +00:00
Evan Cheng
52f30d0ff2 16-byte stack alignment for X86-64 ELF. Patch by Dan Gohman. 
llvm-svn: 32004
 2006-11-29 02:00:40 +00:00
Evan Cheng
0be56fab68 Fix for PR1023 by Dan Gohman. 
llvm-svn: 32003
 2006-11-29 01:58:12 +00:00
Evan Cheng
f26e88cfa4 Add test cases for PR1022, 1023. 
llvm-svn: 32002
 2006-11-29 01:57:06 +00:00
Chris Lattner
4e07e4aa24 Upgrade the ugly darwin 64-bit bswap idiom (bswap %eax / bswap %edx / 
xchgl %eax, %edx) to llvm.bswap.i64.  This compiles:

long long test2(long long A) {
  return _OSSwapInt64(A);
}

to:

_test2:
        movl 8(%esp), %eax
        movl 4(%esp), %edx
        bswapl %eax
        bswapl %edx
        ret

instead of:

_test2:
        movl 8(%esp), %edx
        movl 4(%esp), %eax
        bswap   %eax
        bswap   %edx
        xchgl   %eax, %edx
        ret

GCC manages (with -fomit-frame-pointer) the uglier:

_test2:
        subl    $4, %esp
        movl    8(%esp), %eax
        movl    12(%esp), %edx
        bswap   %eax
        bswap   %edx
        xchgl   %eax, %edx
        addl    $4, %esp
        ret

llvm-svn: 32001
 2006-11-29 01:48:01 +00:00
Evan Cheng
f38588a1cd Fix for PR1022 (folding loads of static initializers) by Dan Gohman. 
llvm-svn: 32000
 2006-11-29 01:38:07 +00:00
Chris Lattner
50d2db3b77 Trivially lower 'bswap $0' into llvm.bswap. This fixes hexxagon with the 
JIT on darwin/x86, which has htonl implemented as inline asm.

llvm-svn: 31999
 2006-11-29 01:14:06 +00:00
Bill Wendling
a5c00d4c4f WTF? These weird newlines got in there... 
llvm-svn: 31998
 2006-11-29 01:14:00 +00:00
Chris Lattner
d00734a230 add a hook to allow targets to hack on inline asms to lower them to llvm 
when they want to.

llvm-svn: 31997
 2006-11-29 01:12:32 +00:00
Reid Spencer
a866877d2f Join a split line. 
llvm-svn: 31996
 2006-11-29 01:11:01 +00:00
Bill Wendling
a29e6c5ec9 Converted to using llvm streams instead of <iostream>s 
llvm-svn: 31992
 2006-11-29 00:39:47 +00:00
Bill Wendling
4effa38086 Replacing std::iostreams with llvm iostreams. Some of these changes involve 
adding a temporary wrapper around the ostream to make it friendly to
functions expecting an LLVM stream. This should be fixed in the future.

llvm-svn: 31990
 2006-11-29 00:19:40 +00:00
Bill Wendling
2477c0ac3d Convert to using llvm streams instead of iostreams. 
llvm-svn: 31989
 2006-11-28 23:33:06 +00:00
Bill Wendling
5def3648f4 Support for llvm_ostreams. 
llvm-svn: 31988
 2006-11-28 23:31:42 +00:00
Andrew Lenharth
e46a408fb9 gcc doesn't like an empty colbber list 
llvm-svn: 31987
 2006-11-28 23:07:32 +00:00
Bill Wendling
c942df4921 Use ostream instead of iostream 
llvm-svn: 31986
 2006-11-28 22:49:32 +00:00
Bill Wendling
d8c0883f20 Use llvm streams instead of <iostream> 
llvm-svn: 31985
 2006-11-28 22:48:48 +00:00
Bill Wendling
35041c7c45 Removed #include <iostream> and used llvm streams 
llvm-svn: 31984
 2006-11-28 22:47:12 +00:00
Bill Wendling
040a60d22d Removed some of the iostream #includes. Moved towards converting to using 
llvm streams

llvm-svn: 31983
 2006-11-28 22:46:12 +00:00
Bill Wendling
4688855715 Support for llvm streams. 
llvm-svn: 31982
 2006-11-28 22:45:17 +00:00
Chris Lattner
339c732e0b Add a helper function 
llvm-svn: 31981
 2006-11-28 22:32:35 +00:00
Andrew Lenharth
aee28a6544 Identities are default now 
llvm-svn: 31980
 2006-11-28 22:28:08 +00:00
Andrew Lenharth
a32f3e30b3 Make identity default, and fix PR1020 
llvm-svn: 31979
 2006-11-28 22:25:32 +00:00
Bill Wendling
4157840bd6 Added a temporary hack to get the llvm-streams to work for future checkins. 
llvm-svn: 31978
 2006-11-28 22:21:29 +00:00
Reid Spencer
c48fe0fd4d Undo the last patch until 253.perlbmk passes with these changes. 
llvm-svn: 31977
 2006-11-28 20:23:51 +00:00
Evan Cheng
27408161df New entries. 
llvm-svn: 31976
 2006-11-28 19:59:25 +00:00
Andrew Lenharth
7669b3acc5 update comments 
llvm-svn: 31975
 2006-11-28 19:56:02 +00:00