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26441 Commits

Author SHA1 Message Date
Nick Lewycky 7faef23f02 Add --enable-valgrind option to run optimizations through valgrind to 
pick up on memory errors.

llvm-svn: 30311
 2006-09-14 03:49:54 +00:00
Devang Patel e480d2a2d7 GlobalValue with InternalLinkage may have operands with ExternalLinkage 
type. Do not ignore these operands while finding external references.

llvm-svn: 30310
 2006-09-14 01:35:13 +00:00
Devang Patel 23d855b40d Avoid recursion in assignDFSNumber(). Move def from ET-Forest.h 
to Dominators.h

llvm-svn: 30309
 2006-09-14 01:27:42 +00:00
Chris Lattner 1463377ddb add note about switch lowering 
llvm-svn: 30308
 2006-09-13 23:37:16 +00:00
Chris Lattner 237ccf2a51 Second half of the fix for Transforms/Inline/inline_cleanup.ll 
This folds unconditional branches that are often produced by code
specialization.

llvm-svn: 30307
 2006-09-13 21:27:00 +00:00
Nick Lewycky 12efffc96b Add some more consistency checks. 
llvm-svn: 30305
 2006-09-13 19:32:53 +00:00
Nick Lewycky 51ce8d6b46 Fix unionSets so that it can merge correctly. 
llvm-svn: 30304
 2006-09-13 19:24:01 +00:00
Chris Lattner 6ef6d06d21 Implement the first half of Transforms/Inline/inline_cleanup.ll 
llvm-svn: 30303
 2006-09-13 19:23:57 +00:00
Chris Lattner 73eedf0a05 new testcase 
llvm-svn: 30302
 2006-09-13 19:23:43 +00:00
Evan Cheng 92e5113d48 Skip over first operand when determining REX prefix for two-address code. 
llvm-svn: 30300
 2006-09-13 19:07:28 +00:00
Nick Lewycky 3a4dc7b489 Erase dead instructions. 
llvm-svn: 30298
 2006-09-13 18:55:37 +00:00
Chris Lattner 8ed3cd4e90 The sense of this branch was backwards 
llvm-svn: 30296
 2006-09-13 17:58:57 +00:00
Chris Lattner 971e33930d Turn X < 0 -> TEST X,X js 
llvm-svn: 30294
 2006-09-13 17:04:54 +00:00
Chris Lattner 0c9ae46c5f The sense of this branch was inverted :( 
llvm-svn: 30293
 2006-09-13 16:56:12 +00:00
Chris Lattner cd34779ef6 Fix a ton of jit failures 
llvm-svn: 30292
 2006-09-13 16:21:10 +00:00
Rafael Espindola 3130a756ef add shifts to addressing mode 1 
llvm-svn: 30291
 2006-09-13 12:09:43 +00:00
Chris Lattner 84cc1f7cb8 If LSR went through a lot of trouble to put constants (e.g. the addr of a global 
in a specific BB, don't undo this!).  This allows us to compile
CodeGen/X86/loop-hoist.ll into:

_foo:
        xorl %eax, %eax
***     movl L_Arr$non_lazy_ptr, %ecx
        movl 4(%esp), %edx
LBB1_1: #cond_true
        movl %eax, (%ecx,%eax,4)
        incl %eax
        cmpl %edx, %eax
        jne LBB1_1      #cond_true
LBB1_2: #return
        ret

instead of:

_foo:
        xorl %eax, %eax
        movl 4(%esp), %ecx
LBB1_1: #cond_true
***     movl L_Arr$non_lazy_ptr, %edx
        movl %eax, (%edx,%eax,4)
        incl %eax
        cmpl %ecx, %eax
        jne LBB1_1      #cond_true
LBB1_2: #return
        ret

This was noticed in 464.h264ref.  This doesn't usually affect PPC,
but strikes X86 all the time.

llvm-svn: 30290
 2006-09-13 06:02:42 +00:00
Chris Lattner 256aeb321b new testcase 
llvm-svn: 30289
 2006-09-13 05:59:25 +00:00
Chris Lattner 706dd3e0d4 Fix a regression in the 32-bit port from the 64-bit port landing. 
We now compile CodeGen/X86/lea-2.ll into:

_test:
        movl 4(%esp), %eax
        movl 8(%esp), %ecx
        leal -5(%ecx,%eax,4), %eax
        ret

instead of:

_test:
        movl 4(%esp), %eax
        leal (,%eax,4), %eax
        addl 8(%esp), %eax
        addl $4294967291, %eax
        ret

llvm-svn: 30288
 2006-09-13 04:45:25 +00:00
Chris Lattner 7789e938b6 New testcase 
llvm-svn: 30287
 2006-09-13 04:43:26 +00:00
Chris Lattner e413fea6ac new note 
llvm-svn: 30286
 2006-09-13 04:19:50 +00:00
Chris Lattner 3496710f25 new note 
llvm-svn: 30285
 2006-09-13 03:54:54 +00:00
Chris Lattner 72b503bcad Compile X << 1 (where X is a long-long) to: 
addl %ecx, %ecx
        adcl %eax, %eax

instead of:

        movl %ecx, %edx
        addl %edx, %edx
        shrl $31, %ecx
        addl %eax, %eax
        orl %ecx, %eax

and to:

        addc r5, r5, r5
        adde r4, r4, r4

instead of:

        slwi r2,r9,1
        srwi r0,r11,31
        slwi r3,r11,1
        or r2,r0,r2

on PPC.

llvm-svn: 30284
 2006-09-13 03:50:39 +00:00
Chris Lattner 7a627676be Compile X > -1 -> text X,X; js dest 
This implements CodeGen/X86/jump_sign.ll.

llvm-svn: 30283
 2006-09-13 03:22:10 +00:00
Chris Lattner ecd9bfb303 new testcase 
llvm-svn: 30282
 2006-09-13 03:21:27 +00:00
Devang Patel fab4972a6e Initialize DontInternalize. 
llvm-svn: 30281
 2006-09-13 01:02:26 +00:00
Evan Cheng 9a083a4121 Reflects MachineConstantPoolEntry changes. 
llvm-svn: 30279
 2006-09-12 21:04:05 +00:00
Evan Cheng 45fe3bc72c Added support for machine specific constantpool values. These are useful for 
representing expressions that can only be resolved at link time, etc.

llvm-svn: 30278
 2006-09-12 21:00:35 +00:00
Evan Cheng 3228e750be Reflect MachineConstantPoolEntry changes. 
llvm-svn: 30277
 2006-09-12 20:59:59 +00:00
John Criswell 1d1835b4ed Correct the URL to the attrib.incl file. 
llvm-svn: 30276
 2006-09-12 20:30:13 +00:00
Chris Lattner 1d7ec20a4d An sinkable instruction may exist with uses, if those uses are in dead blocks. 
Handle this.  This fixes PR908 and Transforms/LICM/2006-09-12-DeadUserOfSunkInstr.ll

llvm-svn: 30275
 2006-09-12 19:17:09 +00:00
Chris Lattner 726bc70c43 testcase for PR908 
llvm-svn: 30274
 2006-09-12 19:16:04 +00:00
Chris Lattner 2655c59a7b Testcase that crashes the C++ FE. 
llvm-svn: 30273
 2006-09-12 16:28:14 +00:00
Chris Lattner cfb2c32724 add a note 
llvm-svn: 30271
 2006-09-12 06:36:01 +00:00
Nick Lewycky a3e70372c9 Add ability to remove nodes from DominatorTree, for when a BasicBlock 
is being removed.

llvm-svn: 30270
 2006-09-12 00:18:28 +00:00
Chris Lattner 8b4de218d9 Testcase noticed from PR906 
llvm-svn: 30269
 2006-09-11 23:00:56 +00:00
Chris Lattner 6e7286f72a add compilable testcase 
llvm-svn: 30268
 2006-09-11 22:57:51 +00:00
Chris Lattner 3592523342 new testcase for PR906 
llvm-svn: 30267
 2006-09-11 22:48:23 +00:00
Chris Lattner d28627009a Fix PR905 and InstCombine/2006-09-11-EmptyStructCrash.ll 
llvm-svn: 30266
 2006-09-11 21:43:16 +00:00
Chris Lattner 3faf86e4f4 new testcase for PR905 
llvm-svn: 30265
 2006-09-11 21:41:56 +00:00
Rafael Espindola c7829d62c0 implement SRL and MUL 
llvm-svn: 30262
 2006-09-11 19:24:19 +00:00
Rafael Espindola bccf9c2f1b add the correct fallback for ARMDAGToDAGISel::SelectAddrMode1 
llvm-svn: 30261
 2006-09-11 19:23:32 +00:00
Chris Lattner f37b4ee4c2 burg is gone 
llvm-svn: 30253
 2006-09-11 17:28:11 +00:00
Rafael Espindola e45a79a9e2 partial implementation of the ARM Addressing Mode 1 
llvm-svn: 30252
 2006-09-11 17:25:40 +00:00
Nick Lewycky e94f42a740 Skip the linear search if the answer is already known. 
llvm-svn: 30251
 2006-09-11 17:23:34 +00:00
Jim Laskey 5c3bdbad9b No longer used, and confuses maintainers 
llvm-svn: 30248
 2006-09-11 16:02:58 +00:00
John Criswell d894443780 Include the UIUC CS department attribution on the main doxygen page. 
llvm-svn: 30247
 2006-09-11 14:52:26 +00:00
Rafael Espindola ecb0d686f8 call AsmPrinter::doInitialization in ARMAsmPrinter::doInitialization 
llvm-svn: 30246
 2006-09-11 12:49:38 +00:00
Evan Cheng 21a75acc3e Updates. 
llvm-svn: 30245
 2006-09-11 05:35:17 +00:00
Evan Cheng 9e77d9a96b Update README file. 
llvm-svn: 30244
 2006-09-11 05:25:15 +00:00