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Author SHA1 Message Date
Rafael Espindola
24d7976d1d implement calls to functions that return long 
llvm-svn: 30929
 2006-10-13 16:47:22 +00:00
Rafael Espindola
bd50a4d757 implement unordered floating point compares 
llvm-svn: 30928
 2006-10-13 13:14:59 +00:00
Jim Laskey
a053c74b99 Workaround for templates 
llvm-svn: 30927
 2006-10-13 13:02:19 +00:00
Jim Laskey
20feec042a Clean up dump. 
llvm-svn: 30926
 2006-10-13 13:01:34 +00:00
Chris Lattner
9476464f86 avoid a ctor/dtor issue with the ProgramName global. 
llvm-svn: 30925
 2006-10-13 00:06:24 +00:00
Chris Lattner
cf5bfb0e80 simplify trivial function 
llvm-svn: 30924
 2006-10-12 23:50:28 +00:00
Evan Cheng
c7283044d1 Really remove dead nodes from isel queue. 
llvm-svn: 30923
 2006-10-12 23:18:52 +00:00
Chris Lattner
f48558b3b6 shrink anon-ns and mark stuff static. No functionality changes 
llvm-svn: 30922
 2006-10-12 22:09:17 +00:00
Chris Lattner
9777da8fb7 add a note 
llvm-svn: 30921
 2006-10-12 22:01:26 +00:00
Chris Lattner
70444d5663 Lower X%C into X/C+stuff. This allows the 'division by a constant' logic to 
apply to rems as well as divs.  This fixes PR945 and speeds up ReedSolomon
from 14.57s to 10.90s (which is now faster than gcc).

It compiles CodeGen/X86/rem.ll into:

_test1:
        subl $4, %esp
        movl %esi, (%esp)
        movl $2155905153, %ecx
        movl 8(%esp), %esi
        movl %esi, %eax
        imull %ecx
        addl %esi, %edx
        movl %edx, %eax
        shrl $31, %eax
        sarl $7, %edx
        addl %eax, %edx
        imull $255, %edx, %eax
        subl %eax, %esi
        movl %esi, %eax
        movl (%esp), %esi
        addl $4, %esp
        ret
_test2:
        movl 4(%esp), %eax
        movl %eax, %ecx
        sarl $31, %ecx
        shrl $24, %ecx
        addl %eax, %ecx
        andl $4294967040, %ecx
        subl %ecx, %eax
        ret
_test3:
        subl $4, %esp
        movl %esi, (%esp)
        movl $2155905153, %ecx
        movl 8(%esp), %esi
        movl %esi, %eax
        mull %ecx
        shrl $7, %edx
        imull $255, %edx, %eax
        subl %eax, %esi
        movl %esi, %eax
        movl (%esp), %esi
        addl $4, %esp
        ret

instead of div/idiv instructions.

llvm-svn: 30920
 2006-10-12 20:58:32 +00:00
Chris Lattner
ae912d4d65 new testcase 
llvm-svn: 30919
 2006-10-12 20:56:15 +00:00
Evan Cheng
cd6e1ecd4f Add another cyclic dag test case. 
llvm-svn: 30918
 2006-10-12 20:38:45 +00:00
Evan Cheng
5ff49d9410 Use RemoveDeadNode to kill dead node. 
llvm-svn: 30917
 2006-10-12 20:35:19 +00:00
Evan Cheng
61afb767eb Add RemoveDeadNode to remove a dead node and its (potentially) dead operands. 
llvm-svn: 30916
 2006-10-12 20:34:05 +00:00
Chris Lattner
e38ce54cc9 add a minor dag combine noticed when looking at PR945 
llvm-svn: 30915
 2006-10-12 20:23:19 +00:00
Evan Cheng
76d365ac84 Doh. This wasn't causing problems by luck. 
llvm-svn: 30914
 2006-10-12 19:13:59 +00:00
Evan Cheng
d07e2f081a Some X86ISD::CMP were created with wrong ValueType's. 
llvm-svn: 30913
 2006-10-12 19:12:56 +00:00
Chris Lattner
08684eac36 Fix massive resource leaks in the bytecode reader. Reading a bytecode file 
with ParseBytecodeFile used to leak both a ModuleProvider (and related
bytecode parser stuff attached to it) AND a file descriptor, which was
never closed.  This prevented gccld/llvm-ld/llvm-link from linking together
apps with more that ~252 .bc files on darwin.

llvm-svn: 30912
 2006-10-12 18:32:30 +00:00
Chris Lattner
b7ff3d59f7 mark call adjustments as modifying the SP 
llvm-svn: 30911
 2006-10-12 18:00:26 +00:00
Chris Lattner
80790cad34 adjcallstack up/down clobbers the sp 
llvm-svn: 30910
 2006-10-12 18:00:14 +00:00
Chris Lattner
e7ea164744 adjcallstackup/down clobbers the stack pointer 
llvm-svn: 30909
 2006-10-12 17:57:58 +00:00
Chris Lattner
e4e8893807 mark adjcallstack up/down as clobbering and using the SP 
llvm-svn: 30908
 2006-10-12 17:56:34 +00:00
Chris Lattner
b25677f5ca Move the Imp tblgen class from the X86 backend to common code. 
llvm-svn: 30907
 2006-10-12 17:49:27 +00:00
Chris Lattner
4d707afe22 restore my previous patch, now that the X86 backend bug has been fixed: 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20061009/038518.html

llvm-svn: 30906
 2006-10-12 17:45:38 +00:00
Chris Lattner
a678c5bac1 Mark ADJCALLSTACKUP/DOWN as clobbering ESP so that virtregmap will notice 
that it can't assume ESP is unmodified across the instrs.

llvm-svn: 30905
 2006-10-12 17:42:56 +00:00
Jim Laskey
388c9681ef D'oh - need to use the rigth kind of store. 
llvm-svn: 30903
 2006-10-12 15:22:24 +00:00
Evan Cheng
68aef84a57 Backing out Chris' last commit. It's breaking llvm-gcc bootstrapping. 
It's turning:
        movl -24(%ebp), %esp
        subl $16, %esp
        movl -24(%ebp), %ecx
into
        movl -24(%ebp), %esp
        subl $16, %esp
        movl %esp, (%esp)

llvm-svn: 30902
 2006-10-12 08:00:47 +00:00
Chris Lattner
fde6859201 fix compilation failure of smg2000 
llvm-svn: 30900
 2006-10-12 03:55:48 +00:00
Chris Lattner
d781da5f26 If we see a load from a stack slot into a physreg, consider it as providing 
the stack slot.  This fixes PR943.

llvm-svn: 30898
 2006-10-12 02:34:07 +00:00
Evan Cheng
65264c811f Prior load folding check on chain operand was too strict. It requires the 
chain operand to point to the load being folded. Now we relax this, traversing
up the chain, if it doesn't reach the load, then it's ok. We will create a
TokenFactor (of all the chain operands and the load's chain) to capture all
the control flow dependencies.

llvm-svn: 30897
 2006-10-12 02:08:53 +00:00
Nick Lewycky
686cc9cacc Replace custom dispatch code with two uses of InstVisitor. Improves 
compile-time performance.

llvm-svn: 30896
 2006-10-12 02:02:44 +00:00
Evan Cheng
1ff54fff5c Update tests. 
llvm-svn: 30895
 2006-10-12 01:42:03 +00:00
Chris Lattner
502246c4a6 Fold "zero extending vector loads" now that evan added the chain manip stuff. 
This compiles both tests in X86/vec_ss_load_fold.ll into:

_test1:
        movss 4(%esp), %xmm0
        subss LCPI1_0, %xmm0
        mulss LCPI1_1, %xmm0
        minss LCPI1_2, %xmm0
        xorps %xmm1, %xmm1
        maxss %xmm1, %xmm0
        cvttss2si %xmm0, %eax
        andl $65535, %eax
        ret

instead of:

_test1:
        movss LCPI1_0, %xmm0
        movss 4(%esp), %xmm1
        subss %xmm0, %xmm1
        movss LCPI1_1, %xmm0
        mulss %xmm0, %xmm1
        movss LCPI1_2, %xmm0
        minss %xmm0, %xmm1
        xorps %xmm0, %xmm0
        maxss %xmm0, %xmm1
        cvttss2si %xmm1, %eax
        andl $65535, %eax
        ret

llvm-svn: 30894
 2006-10-11 22:09:58 +00:00
Chris Lattner
58e8710dbb new testcase 
llvm-svn: 30893
 2006-10-11 22:07:38 +00:00
Evan Cheng
95140c9c64 ComplexPatterns sse_load_f32 and sse_load_f64 returns in / out chain operands. 
llvm-svn: 30892
 2006-10-11 21:06:01 +00:00
Evan Cheng
ca66f49574 Add properties to ComplexPattern. 
llvm-svn: 30891
 2006-10-11 21:03:53 +00:00
Evan Cheng
7a185e0164 Added properties such as SDNPHasChain to ComplexPattern. 
llvm-svn: 30890
 2006-10-11 21:02:01 +00:00
Jim Laskey
eba756c1a7 Alias analysis of TRUNCSTORE. 
llvm-svn: 30889
 2006-10-11 18:55:16 +00:00
Chris Lattner
461eba5c63 regenerate 
llvm-svn: 30888
 2006-10-11 18:13:09 +00:00
Chris Lattner
0c0f2eacfc Add support for let expressions around an mdef. This implements a new part 
of Regression/TableGen/MultiClass.td.

llvm-svn: 30887
 2006-10-11 18:12:44 +00:00
Chris Lattner
4367bcab16 add test for mdef in a let 
llvm-svn: 30886
 2006-10-11 18:12:14 +00:00
Bill Wendling
1796691858 Clean-up of formatting and spelling. 
llvm-svn: 30885
 2006-10-11 18:00:22 +00:00
Jim Laskey
6efcd15c88 Typo 
llvm-svn: 30884
 2006-10-11 17:52:19 +00:00
Jim Laskey
4791a4ad14 Handle aliasing of loadext. 
llvm-svn: 30883
 2006-10-11 17:47:52 +00:00
Jim Laskey
b5a4bbd350 Explict processor. 
llvm-svn: 30882
 2006-10-11 17:14:14 +00:00
Andrew Lenharth
55db991b47 Reduce the amount of state in the lowering code and drop old pattern ISel functions 
llvm-svn: 30881
 2006-10-11 16:24:51 +00:00
Jim Laskey
fd6218f8f5 Fix regression in combiner alias analysis. 
llvm-svn: 30880
 2006-10-11 13:47:09 +00:00
Jim Laskey
0d8d0db0f3 Make sure combiner alias analysis does it's thing. 
llvm-svn: 30879
 2006-10-11 13:42:49 +00:00
Evan Cheng
9b31a4d4ed Naming consistency. 
llvm-svn: 30878
 2006-10-11 07:10:22 +00:00
Evan Cheng
9491e25341 Test case for the recently fixed FindModifiedNodeSlot bug. 
llvm-svn: 30877
 2006-10-11 07:01:37 +00:00