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89ac048c5d
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15017 Commits

Author SHA1 Message Date
Rafael Espindola
89ac048c5d partial implementation of the ARM Addressing Mode 1 
llvm-svn: 30252
 2006-09-11 17:25:40 +00:00
Nick Lewycky
f9acdaf05e Skip the linear search if the answer is already known. 
llvm-svn: 30251
 2006-09-11 17:23:34 +00:00
Rafael Espindola
a8dd3960f1 call AsmPrinter::doInitialization in ARMAsmPrinter::doInitialization 
llvm-svn: 30246
 2006-09-11 12:49:38 +00:00
Evan Cheng
78f5fae07f Updates. 
llvm-svn: 30245
 2006-09-11 05:35:17 +00:00
Evan Cheng
64720acdb9 Update README file. 
llvm-svn: 30244
 2006-09-11 05:25:15 +00:00
Evan Cheng
cfd7b147cf X86ISD::CMP now produces a chain as well as a flag. Make that the chain 
operand of a conditional branch to allow load folding into CMP / TEST
instructions.

llvm-svn: 30241
 2006-09-11 02:19:56 +00:00
Nate Begeman
1109e4a222 Behold, more work on relocations. Things are looking pretty good now. 
llvm-svn: 30240
 2006-09-10 23:03:44 +00:00
Anton Korobeynikov
4141c7992e Removed unnecessary Mangler creation. 
llvm-svn: 30239
 2006-09-10 21:17:03 +00:00
Chris Lattner
2921612126 Allow tail duplication in more cases, relaxing the previous restriction a 
bit.  This fixes Regression/Transforms/TailDup/MergeTest.ll

llvm-svn: 30237
 2006-09-10 18:17:58 +00:00
Chris Lattner
480465a171 This code was trying too hard. By eliminating redundant edges in the CFG 
due to switch cases going to the same place, it make #pred != #phi entries,
breaking live interval analysis.

This fixes 458.sjeng on x86 with llc.

llvm-svn: 30236
 2006-09-10 06:36:57 +00:00
Nick Lewycky
3bfe103166 Replace EquivalenceClasses with a custom-built data structure. Many common 
operations (like findProperties) should be faster, at the expense of
unionSets being slower in cases that are rare in practise.

Don't erase a dead Instruction. This fixes a memory corruption issue.

llvm-svn: 30235
 2006-09-10 02:27:07 +00:00
Chris Lattner
91d21d85e8 Implement Transforms/InstCombine/hoist_instr.ll 
llvm-svn: 30234
 2006-09-09 22:02:56 +00:00
Chris Lattner
2122c2e124 Make inlining costs more accurate. 
llvm-svn: 30231
 2006-09-09 20:40:44 +00:00
Chris Lattner
6847781b3e Turn div X, (Cond ? Y : 0) -> div X, Y 
This implements select.ll::test18.

llvm-svn: 30230
 2006-09-09 20:26:32 +00:00
Chris Lattner
e4ef84f421 Add cbe support for powi 
llvm-svn: 30226
 2006-09-09 06:17:12 +00:00
Chris Lattner
b935214653 Implement the fpowi now by lowering to a libcall 
llvm-svn: 30225
 2006-09-09 06:03:30 +00:00
Chris Lattner
8536526496 Allow targets to custom lower expanded BIT_CONVERT's 
llvm-svn: 30217
 2006-09-09 00:20:27 +00:00
Nate Begeman
2dfa13e74f First pass at supporting relocations. Relocations are written correctly to 
the file now, however the relocated address is currently wrong.  Fixing
that will require some deep pondering.

llvm-svn: 30207
 2006-09-08 22:42:09 +00:00
Evan Cheng
59e25ca829 Fixed a FuseTwoAddrInst() bug: consider GlobalAddress and JumpTableIndex 
in addition to immediate operands.

llvm-svn: 30205
 2006-09-08 21:08:13 +00:00
Chris Lattner
d269774664 Non-allocatable physregs can be killed and dead, but don't treat them as 
safe for later allocation.  This fixes McCat/18-imp with llc-beta.

llvm-svn: 30204
 2006-09-08 20:21:31 +00:00
Chris Lattner
a531dd1879 This fixes Benchmarks/Prolangs-C/unix-smail 
llvm-svn: 30198
 2006-09-08 19:11:11 +00:00
Chris Lattner
16e4937a31 Fix a bunch of llc-beta failures on x86 yesterday. Don't allow selection 
of unallocatable registers, just because an alias is allocatable.  We were
picking registers like SIL just because ESI was being used.

llvm-svn: 30197
 2006-09-08 19:03:30 +00:00
Rafael Espindola
20146be5e8 implement shl and sra 
llvm-svn: 30191
 2006-09-08 17:36:23 +00:00
Chris Lattner
6366d97d9e Use __USER_LABEL_PREFIX__ to get the prefix added by the current host. 
llvm-svn: 30190
 2006-09-08 17:03:56 +00:00
Rafael Espindola
9ffcdb8ab7 add the eor (xor) instruction 
llvm-svn: 30189
 2006-09-08 16:59:47 +00:00
Jim Laskey
8cbf601f06 Missing tab 
llvm-svn: 30188
 2006-09-08 13:06:56 +00:00
Rafael Espindola
af1689d5a5 implement unconditional branches 
fix select.ll

llvm-svn: 30186
 2006-09-08 12:47:03 +00:00
Evan Cheng
100e48fe40 Remove TEST64mr. It's same as TEST64rm since and is commutative. 
llvm-svn: 30178
 2006-09-08 06:56:55 +00:00
Evan Cheng
15dd42884e Committing X86-64 support. 
llvm-svn: 30177
 2006-09-08 06:48:29 +00:00
Nate Begeman
bb053826f9 We actually do support object file writing, so don't return true (error) 
llvm-svn: 30173
 2006-09-08 03:42:15 +00:00
Evan Cheng
da0f93c5af - Identify a vector_shuffle that can be turned into an undef, e.g. 
shuffle V1, <undef>, <undef, undef, 4, 5>
- Fix some suspicious logic into LowerVectorShuffle that cause less than
  optimal code by failing to identify MOVL (move to lowest element of a
  vector).

llvm-svn: 30171
 2006-09-08 01:50:06 +00:00
Jim Laskey
160a8aa339 1. Remove condition on delete. 
2. Protect and outline createTargetAsmInfo.

3. Misc. kruft.

llvm-svn: 30169
 2006-09-07 23:39:26 +00:00
Devang Patel
2e8547542f Untabify. 
llvm-svn: 30168
 2006-09-07 23:29:19 +00:00
Devang Patel
6971b40067 Use iterative do-while loop instead of recursive DFSPass calls to 
reduce amount of stack space used at runtime.

llvm-svn: 30167
 2006-09-07 23:22:37 +00:00
Chris Lattner
f4c05c3170 add a new value for the command line optn 
llvm-svn: 30165
 2006-09-07 22:32:28 +00:00
Chris Lattner
6d59598acc Fix a cross-build issue. The asmsyntax shouldn't be affected by the build 
host, it should be affected by the target.  Allow the command line option to
override in either case.

llvm-svn: 30164
 2006-09-07 22:29:41 +00:00
Jim Laskey
9da25f6119 Make target asm info a property of the target machine. 
llvm-svn: 30162
 2006-09-07 22:06:40 +00:00
Jim Laskey
a64fe8ccf2 Break out target asm info into separate files. 
llvm-svn: 30161
 2006-09-07 22:05:02 +00:00
Chris Lattner
6aebff10e8 Throttle back tail duplication to avoid creating really ugly sequences of code. 
For Transforms/TailDup/if-tail-dup.ll, f.e., it produces:

_foo:
        movl 8(%esp), %eax
        movl 4(%esp), %ecx
        testl $1, %ecx
        je LBB1_2       #cond_next
LBB1_1: #cond_true
        movl $1, (%eax)
LBB1_2: #cond_next
        testl $2, %ecx
        je LBB1_4       #cond_next10
LBB1_3: #cond_true6
        movl $1, 4(%eax)
LBB1_4: #cond_next10
        testl $4, %ecx
        je LBB1_6       #cond_next18
LBB1_5: #cond_true14
        movl $1, 8(%eax)
LBB1_6: #cond_next18
        testl $8, %ecx
        je LBB1_8       #return
LBB1_7: #cond_true22
        movl $1, 12(%eax)
        ret
LBB1_8: #return
        ret

instead of:

_foo:
        movl 4(%esp), %eax
        testl $2, %eax
        sete %cl
        movl 8(%esp), %edx
        testl $1, %eax
        je LBB1_2       #cond_next
LBB1_1: #cond_true
        movl $1, (%edx)
        testb %cl, %cl
        jne LBB1_4      #cond_next10
        jmp LBB1_3      #cond_true6
LBB1_2: #cond_next
        testb %cl, %cl
        jne LBB1_4      #cond_next10
LBB1_3: #cond_true6
        movl $1, 4(%edx)
        testl $4, %eax
        je LBB1_6       #cond_next18
        jmp LBB1_5      #cond_true14
LBB1_4: #cond_next10
        testl $4, %eax
        je LBB1_6       #cond_next18
LBB1_5: #cond_true14
        movl $1, 8(%edx)
        testl $8, %eax
        je LBB1_8       #return
        jmp LBB1_7      #cond_true22
LBB1_6: #cond_next18
        testl $8, %eax
        je LBB1_8       #return
LBB1_7: #cond_true22
        movl $1, 12(%edx)
        ret
LBB1_8: #return
        ret

llvm-svn: 30158
 2006-09-07 21:30:15 +00:00
Chris Lattner
9c7673ffca Eliminate X86ISD::TEST, using X86ISD::CMP instead. Match X86ISD::CMP patterns 
using test, which provides nice simplifications like:

-       movl %edi, %ecx
-       andl $2, %ecx
-       cmpl $0, %ecx
+       testl $2, %edi
        je LBB1_11      #cond_next90

There are a couple of dagiselemitter deficiencies that this exposes, they will
be handled later.

llvm-svn: 30156
 2006-09-07 20:33:45 +00:00
Chris Lattner
a96d4ad830 Some notes on better load folding we could do 
llvm-svn: 30155
 2006-09-07 20:32:01 +00:00
Evan Cheng
798aa508a3 Consistency. 
llvm-svn: 30152
 2006-09-07 19:03:48 +00:00
Evan Cheng
fe263e552a Fix pasto that was breaking x86 tests. 
llvm-svn: 30151
 2006-09-07 18:50:20 +00:00
Chris Lattner
47f39eb3db Add new option to leave asm names alone 
llvm-svn: 30149
 2006-09-07 18:20:41 +00:00
Jim Laskey
d2830c11b8 Make the x86 asm flavor part of the subtarget info. 
llvm-svn: 30146
 2006-09-07 12:23:47 +00:00
Chris Lattner
8b75d6e068 Fix CodeGen/Generic/2006-09-06-SwitchLowering.ll, a bug where SDIsel inserted 
too many phi operands when lowering a switch to branches in some cases.

llvm-svn: 30142
 2006-09-07 01:59:34 +00:00
Evan Cheng
451baeaf79 Clean up. 
llvm-svn: 30140
 2006-09-07 01:17:57 +00:00
Evan Cheng
5bb0ec5c15 Watch out for variable_ops instructions. 
llvm-svn: 30135
 2006-09-06 20:32:45 +00:00
Evan Cheng
d299a28d86 Variable ops instructions may ignore the last few operands for code emission. 
llvm-svn: 30134
 2006-09-06 20:24:14 +00:00
Jim Laskey
8e922904ce Oops - forgot to update banner. 
llvm-svn: 30131
 2006-09-06 19:21:41 +00:00