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15204 Commits

Author SHA1 Message Date
Chris Lattner
88640b5ecd add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30406 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-16 03:30:19 +00:00
Chris Lattner
f6bd07c7fe Fix Transforms/InstCombine/2006-09-15-CastToBool.ll and PR913 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30405 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-16 03:14:10 +00:00
Chris Lattner
a89654b1a1 simplify control flow, no functionality change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30403 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-16 00:21:44 +00:00
Chris Lattner
7d7bffe157 Allow custom expand of mul 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30402 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-16 00:09:24 +00:00
Chris Lattner
cbce2f6c1b add a nate note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30399 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-15 20:31:36 +00:00
Chris Lattner
94876527af revert previous two patches. They cause miscompilation of MultiSource/Applications/Burg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30397 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-15 17:24:45 +00:00
Owen Anderson
46f022a7f1 Revert my previous work on ArgumentPromotion. Further investigation has revealed these 
changes to be incorrect.  They just weren't showing up in any of our current testcases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30385 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-15 05:22:51 +00:00
Chris Lattner
c6336273d9 Unbreak the JIT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30384 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-15 04:56:11 +00:00
Chris Lattner
428b92eb83 Keep track of the start of MBB's in a separate map from instructions. This 
is faster and is needed for future improvements.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30383 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-15 03:57:23 +00:00
Evan Cheng
c45a2c72cc Remove a unnecessary check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30382 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 23:55:02 +00:00
Devang Patel
697e590580 Undo previous check-in. 
Reintroduce recursive assignDFSNumber().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30380 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 21:43:24 +00:00
Chris Lattner
1ec72738ac Fold (X & C1) | (Y & C2) -> (X|Y) & C3 when possible. 
This implements CodeGen/X86/and-or-fold.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30379 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 21:11:37 +00:00
Chris Lattner
f0613e1e7c add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30377 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 20:56:30 +00:00
Chris Lattner
516b962b5a Split rotate matching code out to its own function. Make it stronger, by 
matching things like ((x >> c1) & c2) | ((x << c3) & c4) to (rot x, c5) & c6


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30376 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 20:50:57 +00:00
Anton Korobeynikov
43e3aad6af Adding generated files for the last commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30375 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 18:25:26 +00:00
Anton Korobeynikov
b74ed07bfd Adding dllimport, dllexport and external weak linkage types. 
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30374 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 18:23:27 +00:00
Evan Cheng
a17cf0a7e2 Use getOffset() instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30327 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 07:41:12 +00:00
Evan Cheng
d5a99d7810 Use MachineConstantPoolEntry getOffset() and getType() accessors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30326 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 07:35:00 +00:00
Chris Lattner
5f1d01393c Use new config.h macro 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30321 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 06:21:59 +00:00
Chris Lattner
26b6c0ba5d On Mac OS/X, make Process::PreventCoreFiles disable crash reporter for 
the process in addition to disabling core file emission.  This speeds up
bugpoint on default-configured macs by several orders of magnitude.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30317 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 06:01:41 +00:00
Evan Cheng
9abd7c3867 A MachineConstantPool may have mixed Constant* and MachineConstantPoolValue* values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30316 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 05:50:57 +00:00
Devang Patel
57d12f962d Avoid recursion in assignDFSNumber(). Move def from ET-Forest.h 
to Dominators.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30309 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 01:27:42 +00:00
Chris Lattner
08c33011d1 add note about switch lowering 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30308 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 23:37:16 +00:00
Chris Lattner
a4646b61e4 Second half of the fix for Transforms/Inline/inline_cleanup.ll 
This folds unconditional branches that are often produced by code
specialization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30307 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 21:27:00 +00:00
Nick Lewycky
668a1d0fd2 Add some more consistency checks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30305 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 19:32:53 +00:00
Nick Lewycky
977be254c6 Fix unionSets so that it can merge correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30304 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 19:24:01 +00:00
Chris Lattner
33bb3c8be3 Implement the first half of Transforms/Inline/inline_cleanup.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30303 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 19:23:57 +00:00
Evan Cheng
80543c8305 Skip over first operand when determining REX prefix for two-address code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30300 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 19:07:28 +00:00
Nick Lewycky
cf2112a0a0 Erase dead instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30298 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 18:55:37 +00:00
Chris Lattner
bfd68a7858 Turn X < 0 -> TEST X,X js 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30294 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 17:04:54 +00:00
Chris Lattner
7a6366de86 The sense of this branch was inverted :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30293 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 16:56:12 +00:00
Chris Lattner
8a650095fc Fix a ton of jit failures 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30292 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 16:21:10 +00:00
Rafael Espindola
3ad5e5cf99 add shifts to addressing mode 1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30291 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 12:09:43 +00:00
Chris Lattner
c970f062e0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30290 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 06:02:42 +00:00
Chris Lattner
0f27fc34f7 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30288 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 04:45:25 +00:00
Chris Lattner
d1468d3332 new note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30286 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 04:19:50 +00:00
Chris Lattner
95af34e33f new note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30285 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 03:54:54 +00:00
Chris Lattner
79980b07da 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30284 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 03:50:39 +00:00
Chris Lattner
f95705163f Compile X > -1 -> text X,X; js dest 
This implements CodeGen/X86/jump_sign.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30283 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 03:22:10 +00:00
Devang Patel
56eac5f6f7 Initialize DontInternalize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30281 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 01:02:26 +00:00
Evan Cheng
c356a572e3 Reflects MachineConstantPoolEntry changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30279 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-12 21:04:05 +00:00
Evan Cheng
d6594ae54c Added support for machine specific constantpool values. These are useful for 
representing expressions that can only be resolved at link time, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30278 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-12 21:00:35 +00:00
Evan Cheng
cd5731d98b Reflect MachineConstantPoolEntry changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30277 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-12 20:59:59 +00:00
Chris Lattner
92f7365740 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30275 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-12 19:17:09 +00:00
Chris Lattner
adaa38f13d add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30271 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-12 06:36:01 +00:00
Chris Lattner
0bfd7fde43 Testcase noticed from PR906 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30269 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 23:00:56 +00:00
Chris Lattner
2a33a3f08d add compilable testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30268 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 22:57:51 +00:00
Chris Lattner
63d3220dae Fix PR905 and InstCombine/2006-09-11-EmptyStructCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30266 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 21:43:16 +00:00
Rafael Espindola
817e7fdb8b implement SRL and MUL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30262 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 19:24:19 +00:00
Rafael Espindola
1b3956b516 add the correct fallback for ARMDAGToDAGISel::SelectAddrMode1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30261 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 19:23:32 +00:00
Rafael Espindola
7cca7c5317 partial implementation of the ARM Addressing Mode 1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30252 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 17:25:40 +00:00
Nick Lewycky
3fc68ccd83 Skip the linear search if the answer is already known. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30251 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 17:23:34 +00:00
Rafael Espindola
ff59d22232 call AsmPrinter::doInitialization in ARMAsmPrinter::doInitialization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30246 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 12:49:38 +00:00
Evan Cheng
f47d167c3b Updates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30245 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 05:35:17 +00:00
Evan Cheng
0f4aa6ee20 Update README file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30244 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 05:25:15 +00:00
Evan Cheng
734503be59 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30241 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 02:19:56 +00:00
Nate Begeman
019f851ab2 Behold, more work on relocations. Things are looking pretty good now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30240 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-10 23:03:44 +00:00
Anton Korobeynikov
f369dd26fb Removed unnecessary Mangler creation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30239 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-10 21:17:03 +00:00
Chris Lattner
dfa1af0513 Allow tail duplication in more cases, relaxing the previous restriction a 
bit.  This fixes Regression/Transforms/TailDup/MergeTest.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30237 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-10 18:17:58 +00:00
Chris Lattner
c66764c007 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30236 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-10 06:36:57 +00:00
Nick Lewycky
dc08cd56c4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30235 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-10 02:27:07 +00:00
Chris Lattner
2a86f3b744 Implement Transforms/InstCombine/hoist_instr.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30234 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 22:02:56 +00:00
Chris Lattner
7b166d9969 Make inlining costs more accurate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30231 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 20:40:44 +00:00
Chris Lattner
8e49e08f4b Turn div X, (Cond ? Y : 0) -> div X, Y 
This implements select.ll::test18.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30230 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 20:26:32 +00:00
Chris Lattner
1e14289ef9 Add cbe support for powi 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30226 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 06:17:12 +00:00
Chris Lattner
6ddf8ed6fe Implement the fpowi now by lowering to a libcall 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30225 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 06:03:30 +00:00
Chris Lattner
f3f333dbd6 Allow targets to custom lower expanded BIT_CONVERT's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30217 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 00:20:27 +00:00
Nate Begeman
94be248dbb 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30207 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 22:42:09 +00:00
Evan Cheng
6f34b43292 Fixed a FuseTwoAddrInst() bug: consider GlobalAddress and JumpTableIndex 
in addition to immediate operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30205 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 21:08:13 +00:00
Chris Lattner
0c5b8dac79 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30204 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 20:21:31 +00:00
Chris Lattner
cc406328bf This fixes Benchmarks/Prolangs-C/unix-smail 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30198 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 19:11:11 +00:00
Chris Lattner
45d5788123 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30197 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 19:03:30 +00:00
Rafael Espindola
0a200600e7 implement shl and sra 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30191 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 17:36:23 +00:00
Chris Lattner
40f4ba5e71 Use __USER_LABEL_PREFIX__ to get the prefix added by the current host. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30190 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 17:03:56 +00:00
Rafael Espindola
4e30764d55 add the eor (xor) instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30189 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 16:59:47 +00:00
Jim Laskey
f45c25f720 Missing tab 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30188 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 13:06:56 +00:00
Rafael Espindola
5c2aa0a4d8 implement unconditional branches 
fix select.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30186 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 12:47:03 +00:00
Evan Cheng
36978b9c61 Remove TEST64mr. It's same as TEST64rm since and is commutative. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30178 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 06:56:55 +00:00
Evan Cheng
25ab690a43 Committing X86-64 support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30177 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 06:48:29 +00:00
Nate Begeman
6fe6084ebf We actually do support object file writing, so don't return true (error) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30173 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 03:42:15 +00:00
Evan Cheng
8cf723d8eb - 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30171 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 01:50:06 +00:00
Jim Laskey
fde1b3bb2f 1. Remove condition on delete. 
2. Protect and outline createTargetAsmInfo.

3. Misc. kruft.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30169 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 23:39:26 +00:00
Devang Patel
f93f68347f Untabify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30168 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 23:29:19 +00:00
Devang Patel
c8719e9353 Use iterative do-while loop instead of recursive DFSPass calls to 
reduce amount of stack space used at runtime.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30167 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 23:22:37 +00:00
Chris Lattner
2dd538c2d2 add a new value for the command line optn 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30165 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 22:32:28 +00:00
Chris Lattner
cdb341dcfa 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30164 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 22:29:41 +00:00
Jim Laskey
a0f3d17daa Make target asm info a property of the target machine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30162 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 22:06:40 +00:00
Jim Laskey
8e8de8f776 Break out target asm info into separate files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30161 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 22:05:02 +00:00
Chris Lattner
e99c623e75 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30158 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 21:30:15 +00:00
Chris Lattner
ffc0b2663e 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30156 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 20:33:45 +00:00
Chris Lattner
b14ca605d7 Some notes on better load folding we could do 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30155 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 20:32:01 +00:00
Evan Cheng
ec3bc39413 Consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30152 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 19:03:48 +00:00
Evan Cheng
61c958e691 Fix pasto that was breaking x86 tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30151 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 18:50:20 +00:00
Chris Lattner
833eb68a1f Add new option to leave asm names alone 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30149 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 18:20:41 +00:00
Jim Laskey
05a059d5d8 Make the x86 asm flavor part of the subtarget info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30146 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 12:23:47 +00:00
Chris Lattner
d5e93c0795 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30142 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 01:59:34 +00:00
Evan Cheng
95971c51b0 Clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30140 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 01:17:57 +00:00
Evan Cheng
48ff2fb129 Watch out for variable_ops instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30135 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-06 20:32:45 +00:00
Evan Cheng
3530bafe00 Variable ops instructions may ignore the last few operands for code emission. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30134 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-06 20:24:14 +00:00
Jim Laskey
7c95ad4fb0 Oops - forgot to update banner. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30131 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-06 19:21:41 +00:00