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3078 Commits

Author SHA1 Message Date
Lauro Ramos Venancio
a76c2806de Implement the "thread_local" keyword. 
llvm-svn: 35950
 2007-04-12 18:32:50 +00:00
Reid Spencer
2afe5c8354 Build Hello by default so it can be used in test cases. 
llvm-svn: 35922
 2007-04-11 21:03:37 +00:00
Chris Lattner
f7451ea3c2 Fix Transforms/ScalarRepl/union-pointer.ll 
llvm-svn: 35906
 2007-04-11 15:45:25 +00:00
Chris Lattner
27a80589de Turn stuff like: 
icmp slt i32 %X, 0              ; <i1>:0 [#uses=1]
        sext i1 %0 to i32               ; <i32>:1 [#uses=1]

into:

        %X.lobit = ashr i32 %X, 31              ; <i32> [#uses=1]

This implements InstCombine/icmp.ll:test[34]

llvm-svn: 35891
 2007-04-11 06:57:46 +00:00
Chris Lattner
b659c04f13 Simplify some comparisons to arithmetic, this implements: 
Transforms/InstCombine/icmp.ll

llvm-svn: 35890
 2007-04-11 06:53:04 +00:00
Chris Lattner
50a7c8f34e canonicalize (x <u 2147483648) -> (x >s -1) and (x >u 2147483647) -> (x <s 0) 
llvm-svn: 35886
 2007-04-11 06:12:58 +00:00
Chris Lattner
cbd4a7e79c fix a miscompilation of: 
define i32 @test(i32 %X) {
entry:
        %Y = and i32 %X, 4              ; <i32> [#uses=1]
        icmp eq i32 %Y, 0               ; <i1>:0 [#uses=1]
        sext i1 %0 to i32               ; <i32>:1 [#uses=1]
        ret i32 %1
}

by moving code out of commonIntCastTransforms into visitZExt.  Simplify the
APInt gymnastics in it etc.

llvm-svn: 35885
 2007-04-11 05:45:39 +00:00
Chris Lattner
c7c7a4712e fix a regression introduced by my last patch. 
llvm-svn: 35879
 2007-04-11 03:27:24 +00:00
Chris Lattner
4ea7a156ba Simplify SROA conversion to integer in some ways, make it more general in others. 
We now tolerate small amounts of undefined behavior, better emulating what
would happen if the transaction actually occurred in memory.  This fixes
SingleSource/UnitTests/2007-04-10-BitfieldTest.c on PPC, at least until
Devang gets a chance to fix the CFE from doing undefined things with bitfields :)

llvm-svn: 35875
 2007-04-11 00:57:54 +00:00
Chris Lattner
fe1860b138 Strengthen the boundary conditions of this fold, implementing 
InstCombine/set.ll:test25

llvm-svn: 35852
 2007-04-09 23:52:13 +00:00
Owen Anderson
5d0148ae7c Re-constify things that don't break the build. Last patch in this 
series, I promise.

llvm-svn: 35848
 2007-04-09 23:38:18 +00:00
Chris Lattner
78fffcb81b eliminate the last uses of some TLI methods. 
llvm-svn: 35844
 2007-04-09 23:29:07 +00:00
Owen Anderson
94e3511ef6 Unconst-ify stuff that broke the build. 
llvm-svn: 35843
 2007-04-09 23:08:26 +00:00
Owen Anderson
3d132f812a Const-ify some parameters, and some cosmetic cleanups. No functionality 
change.

llvm-svn: 35842
 2007-04-09 22:54:50 +00:00
Owen Anderson
148566d2e3 Tabs -> Spaces 
llvm-svn: 35841
 2007-04-09 22:31:43 +00:00
Owen Anderson
6f5fe179cc Improve some _slow_ behavior introduced in my patches the last few days. 
llvm-svn: 35839
 2007-04-09 22:25:09 +00:00
Chris Lattner
87c89cafb2 switch LSR to use isLegalAddressingMode instead of other simpler hooks 
llvm-svn: 35837
 2007-04-09 22:20:14 +00:00
Devang Patel
70205cceea Check _all_ PHINodes. 
llvm-svn: 35836
 2007-04-09 22:20:10 +00:00
Devang Patel
5392489e86 Insert new pre-header before new header. Original pre-header may 
happen to be an entry, in such case, it is not a good idea to
insert new block before entry.

Also fix typo in assertion check.

llvm-svn: 35833
 2007-04-09 21:40:43 +00:00
Devang Patel
cdea453adb Preserve canonical loop form. 
llvm-svn: 35829
 2007-04-09 20:19:46 +00:00
Reid Spencer
60da7b09e7 Don't link against System or Support library. These things will already 
be in the opt tool.

llvm-svn: 35827
 2007-04-09 19:17:47 +00:00
Devang Patel
9263a797b3 Do not create new pre-header. Reuse original pre-header. 
llvm-svn: 35825
 2007-04-09 19:04:21 +00:00
Devang Patel
e038420dc6 Simpler for() loops. 
llvm-svn: 35822
 2007-04-09 17:09:13 +00:00
Devang Patel
dd269ce747 Fix future bug. Of course, Chris spotted this. 
Handle Argument or Undef as an incoming PHI value.

llvm-svn: 35821
 2007-04-09 16:41:46 +00:00
Devang Patel
ba5018aaff More cosmetic changes. 
llvm-svn: 35820
 2007-04-09 16:21:29 +00:00
Devang Patel
f66f3dd962 Only cosmetic changes. Zero functionality Change. 
llvm-svn: 35819
 2007-04-09 16:11:48 +00:00
Chris Lattner
218d43af10 Fix PR1304 and Transforms/InstCombine/2007-04-08-SingleEltVectorCrash.ll 
llvm-svn: 35792
 2007-04-09 01:37:55 +00:00
Chris Lattner
b3d105a4f9 Eliminate useless insertelement instructions. This implements 
Transforms/InstCombine/vec_insertelt.ll and fixes PR1286.

We now compile the code from that bug into:

_foo:
        movl 4(%esp), %eax
        movdqa (%eax), %xmm0
        movl 8(%esp), %ecx
        psllw (%ecx), %xmm0
        movdqa %xmm0, (%eax)
        ret

instead of:

_foo:
        subl $4, %esp
        movl %ebp, (%esp)
        movl %esp, %ebp
        movl 12(%ebp), %eax
        movdqa (%eax), %xmm0
        #IMPLICIT_DEF %eax
        pinsrw $2, %eax, %xmm0
        xorl %ecx, %ecx
        pinsrw $3, %ecx, %xmm0
        pinsrw $4, %eax, %xmm0
        pinsrw $5, %ecx, %xmm0
        pinsrw $6, %eax, %xmm0
        pinsrw $7, %ecx, %xmm0
        movl 8(%ebp), %eax
        movdqa (%eax), %xmm1
        psllw %xmm0, %xmm1
        movdqa %xmm1, (%eax)
        movl %ebp, %esp
        popl %ebp
        ret

woo :)

llvm-svn: 35788
 2007-04-09 01:11:16 +00:00
Owen Anderson
f9a432a613 Cleanup some from my DomSet-removal changes. Add a new 
isReachableFromEntry
test to ETForest to factor a common test out of code.

llvm-svn: 35786
 2007-04-09 00:52:49 +00:00
Chris Lattner
4ed32d0891 Fix a typo that broke SimplifyLibCalls/SPrintF.ll (pr1315) 
llvm-svn: 35768
 2007-04-08 18:11:26 +00:00
Chris Lattner
1a1b798eb5 reenable this xform, whoops :) 
llvm-svn: 35765
 2007-04-08 08:01:49 +00:00
Chris Lattner
1760b42378 Fix regression on Instcombine/apint-or2.ll 
llvm-svn: 35763
 2007-04-08 07:55:22 +00:00
Chris Lattner
d435e0bfd2 Generalize the code that handles (A&B)|(A&C) to work where B/C are not constants. 
Add a new xform to simplify (A&B)|(~A&C).  THis implements InstCombine/or2.ll:test1

llvm-svn: 35760
 2007-04-08 07:47:01 +00:00
Chris Lattner
34464bdf2b implement a fixme: move optimizations for fwrite out of fputs into a new 
fwrite optimizer.

llvm-svn: 35758
 2007-04-08 07:00:35 +00:00
Nick Lewycky
71592d1ef2 Remove DominatorSet usage from LoopSimplify. Patch from Owen Anderson. 
llvm-svn: 35757
 2007-04-08 01:04:30 +00:00
Chris Lattner
16fe035aa4 Significantly simplify the clients of GetConstantStringInfo, by having it 
just return the string itself.

llvm-svn: 35755
 2007-04-07 21:58:02 +00:00
Chris Lattner
5b3be230d4 Fix problems in the sprintf optimizer 
llvm-svn: 35754
 2007-04-07 21:17:51 +00:00
Chris Lattner
99a7ea0b00 Change CastToCStr to take a pointer instead of a reference. 
Fix some miscompilations in fprintf optimizer.

llvm-svn: 35753
 2007-04-07 21:04:50 +00:00
Chris Lattner
fcc6fe0a9c Fix an off-by-one error that broke Prolangs/deriv2 with llc on x86 
and Prolangs-C/cdecl

llvm-svn: 35749
 2007-04-07 20:19:08 +00:00
Owen Anderson
7cf9d12f2e Add DomSet back, and revert the changes to LoopSimplify. Apparently the 
ETForest updating mechanisms don't work as I thought they did.  These changes
will be reapplied once the issue is worked out.

llvm-svn: 35741
 2007-04-07 18:23:27 +00:00
Nick Lewycky
e6cb3e2433 Add support for cast instructions. 
llvm-svn: 35734
 2007-04-07 15:48:32 +00:00
Owen Anderson
85b0e20f2a Completely purge DomSet. This is the (hopefully) final patch for PR1171. 
llvm-svn: 35731
 2007-04-07 07:17:27 +00:00
Owen Anderson
177b1a6aea Completely purge DomSet from LoopSimplify. This is part of the 
continuing work on PR1171.

llvm-svn: 35730
 2007-04-07 06:56:47 +00:00
Owen Anderson
e2add101a4 BreakCriticalEdges does still preserve DominatorTree. 
llvm-svn: 35729
 2007-04-07 05:57:09 +00:00
Owen Anderson
eb184ee17b Expunge DomSet from BreakCriticalEdges. This is part of the continuing 
work for PR 1171.

llvm-svn: 35728
 2007-04-07 05:49:29 +00:00
Owen Anderson
41bf50021d Expunge DomSet from CodeExtractor. This is part of the continuing work 
on PR1171.

llvm-svn: 35726
 2007-04-07 05:31:27 +00:00
Nick Lewycky
3e77af40ff Support NE inequality in ValueRanges. 
llvm-svn: 35724
 2007-04-07 04:49:12 +00:00
Owen Anderson
54c7efee4d Expunge a bunch of uses of DomSet from LoopSimplify. Many more remain. 
This is the beginning of work for PR1171.

llvm-svn: 35720
 2007-04-07 04:37:14 +00:00
Nick Lewycky
7fbec59fb4 Cleanup. Refactor out the applying of value ranges to its own method. 
llvm-svn: 35719
 2007-04-07 03:36:51 +00:00
Nick Lewycky
80cf96b3f8 Use TargetData to find the size of a type. 
llvm-svn: 35718
 2007-04-07 03:16:12 +00:00