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15771 Commits

Author SHA1 Message Date
Reid Spencer
090ac3641d Make this compile again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31304 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-31 01:45:56 +00:00
Evan Cheng
2e323aa09d Apply Aton's LLVM patch for PR973: Linux ctors / dtors support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31303 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-31 01:26:55 +00:00
Reid Spencer
0de0c5da42 Fix a problem introduced by a last-minute change (logic negation). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31302 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 23:34:32 +00:00
Chris Lattner
1d75400e2e fix miscompilation of llvm.isunordered, where we branched on the opposite 
condition.  This fixes miscompilation of Olden/bh and many others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31301 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 23:02:25 +00:00
Reid Spencer
02b8511364 Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4 
generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31299 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 22:32:30 +00:00
Chris Lattner
6ce644392e fix wonky indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31298 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 22:27:23 +00:00
Devang Patel
b79a59dcfc Update comment. Valid option is -debug-pass=Structures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31297 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 19:25:54 +00:00
Jim Laskey
a9c83fe5e1 Switch abbreviations to use the folding set.a. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31296 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 15:59:54 +00:00
Jim Laskey
6519546eda Simplify DwarfWriter header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31295 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 13:35:07 +00:00
Evan Cheng
c35497fc2a All targets expand BR_JT for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31294 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 08:02:39 +00:00
Evan Cheng
3d4ce11085 Lower jumptable to BR_JT. The legalizer can lower it to a BRIND or let the target custom lower it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31293 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 08:00:44 +00:00
Evan Cheng
c41cd9c391 Added a new SDNode type: BR_JT for jumptable branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31292 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 07:59:36 +00:00
Chris Lattner
23d7b36117 add a highly efficient hash table that is specialized for mapping C strings 
to some other type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31286 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 23:42:03 +00:00
Chris Lattner
9f617d64c5 Add a new llvm::Allocator abstraction, which will be used by a container 
I'm about to add.  This is similar to, but necessarily different than, the
STL allocator class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31285 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 22:08:03 +00:00
Chris Lattner
120bc21576 Fix SimplifyCFG/2006-10-29-InvokeCrash.ll, a crash compiling QT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31284 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 21:21:20 +00:00
Chris Lattner
6b0e3f8907 Make CanFallThrough more intelligent (so it can handle blocks with (e.g.) no 
successors), and make island block movement more general.

This compiles CodeGen/X86/2006-04-27-ISelFoldingBug.ll to:

_loadAndRLEsource_no_exit_2E_1_label_2E_0:
        subl $8, %esp
        movl %esi, 4(%esp)
        movl %ebx, (%esp)
        movl 16(%esp), %eax
        movl 12(%esp), %ecx
LBB1_3: #label.0
        movl _last, %edx
        movl %edx, %esi
        incl %esi
        movl %esi, _last
        movl %ecx, %ebx
        # TRUNCATE movb %bl, %bl
        movl _block, %esi
        movb %bl, 1(%esi,%edx)
        cmpl %eax, _last
        jge LBB1_2      #codeRepl5.exitStub
LBB1_4: #label.0
        cmpl $257, %ecx
        je LBB1_2       #codeRepl5.exitStub
LBB1_1: #label.0.no_exit.1_crit_edge.exitStub
        movl $1, %eax
        movl (%esp), %ebx
        movl 4(%esp), %esi
        addl $8, %esp
        ret
LBB1_2: #codeRepl5.exitStub
        xorl %eax, %eax
        movl (%esp), %ebx
        movl 4(%esp), %esi
        addl $8, %esp
        ret

instead of:

_loadAndRLEsource_no_exit_2E_1_label_2E_0:
        subl $8, %esp
        movl %esi, 4(%esp)
        movl %ebx, (%esp)
        movl 16(%esp), %eax
        movl 12(%esp), %ecx
        jmp LBB1_3      #label.0
LBB1_1: #label.0.no_exit.1_crit_edge.exitStub
        movl $1, %eax
        movl (%esp), %ebx
        movl 4(%esp), %esi
        addl $8, %esp
        ret
LBB1_2: #codeRepl5.exitStub
        xorl %eax, %eax
        movl (%esp), %ebx
        movl 4(%esp), %esi
        addl $8, %esp
        ret
LBB1_3: #label.0
        movl _last, %edx
        movl %edx, %esi
        incl %esi
        movl %esi, _last
        movl %ecx, %ebx
        # TRUNCATE movb %bl, %bl
        movl _block, %esi
        movb %bl, 1(%esi,%edx)
        cmpl %eax, _last
        jge LBB1_2      #codeRepl5.exitStub
LBB1_4: #label.0
        cmpl $257, %ecx
        jne LBB1_1      #label.0.no_exit.1_crit_edge.exitStub
        jmp LBB1_2      #codeRepl5.exitStub

... which is much better layout :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31282 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 21:05:41 +00:00
Chris Lattner
6a586c8d9a fix Generic/2006-10-29-Crash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31281 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 21:01:20 +00:00
Chris Lattner
5a145f0094 Fix a load folding issue that Evan noticed: there is no need to export values 
used by comparisons in the main block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31279 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 18:23:37 +00:00
Jim Laskey
a97c67c866 Try again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31278 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 09:19:59 +00:00
Jim Laskey
d8cb446aa2 Not handling zero length strings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31277 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 08:27:07 +00:00
Evan Cheng
ba726ab3ec VLOAD is not the LoadSDNode opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31276 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 06:14:47 +00:00
Nick Lewycky
f6aaaaa39e Remove spurious case. EXTLOAD is not one of the node opcodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31275 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 02:26:30 +00:00
Chris Lattner
bad7f48c70 split critical edges more carefully and intelligently. In particular, critical 
edges whose destinations are not phi nodes don't bother us.  Also, share
split edges, since the split edge can't have a phi.  This significantly
reduces the complexity of generated code in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31274 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 19:22:10 +00:00
Chris Lattner
6acfe12dd6 Teach branch folding to fold identical jump tables together and to delete 
jump tables that are dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31273 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 18:34:47 +00:00
Chris Lattner
a4eb44a285 const'ify jump table stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31269 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 18:17:09 +00:00
Chris Lattner
e7251a0377 add an assert 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31267 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 18:11:20 +00:00
Chris Lattner
0737188220 don't print dead jump tables 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31266 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 18:10:06 +00:00
Chris Lattner
ef13982aa7 implement the BlockHasNoFallThrough hook 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31264 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 17:35:02 +00:00
Chris Lattner
cf420cca57 improve deletion of blocks that just contain branches by knowing that 
the pred block doesn't fall through into them if it's a jumptable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31263 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 17:32:47 +00:00
Chris Lattner
c24ff8ed12 add another target hook for branch folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31262 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 17:29:57 +00:00
Jim Laskey
1c6f01aaa5 Load and stores have not been uniqued properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31261 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 17:25:28 +00:00
Chris Lattner
47e32e6b83 Split *all* critical edges before isel. This resolves issues with spill code 
being inserted on unsplit critical edges, which introduces (sometimes large
amounts of) partially dead spill code.

This also fixes PR925 + CodeGen/Generic/switch-crit-edge-constant.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31260 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 17:04:37 +00:00
Chris Lattner
b57de3328d add option to isCriticalEdge 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31258 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 06:58:17 +00:00
Chris Lattner
0997fadc37 break edges more intelligently 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31257 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 06:45:33 +00:00
Chris Lattner
27e1f90d85 Expose a smarter way to break critical edges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31256 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 06:44:56 +00:00
Chris Lattner
f6de8ad1a2 SplitCriticalEdge checks to see if an edge is critical, don't check twice 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31255 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 06:38:14 +00:00
Chris Lattner
6fb6ef4d65 Fix a serious bug that caused any x86 vector stuff to infinite loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31254 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 06:15:26 +00:00
Evan Cheng
31b6ddad31 Doh. Must check if GV is constant first before putting it in .cstring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31253 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 05:56:51 +00:00
Evan Cheng
71aae62445 Doh. Must check if GV is constant first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31252 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 05:56:06 +00:00
Chris Lattner
7466ebf045 add a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31249 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 01:24:05 +00:00
Chris Lattner
1b9c8e73b5 prepare for a change I'm about to make 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31248 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 00:59:20 +00:00
Chris Lattner
ae2650a9cf don't dist internal readme 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31247 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 00:51:15 +00:00
Chris Lattner
985384c41d don't dist internal readme's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31246 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 00:49:54 +00:00
Chris Lattner
064fdccf98 don't distribute internal readme's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31245 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 00:48:27 +00:00
Reid Spencer
b9112019de Make sure all the readme files get distributed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31244 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 00:11:39 +00:00
Jim Laskey
def69b92e7 Clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31243 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 23:52:51 +00:00
Chris Lattner
8c494ab759 Fix a bug in merged condition handling (CodeGen/Generic/2006-10-27-CondFolding.ll). 
Add many fewer CFG edges and PHI node entries.  If there is a switch which has
the same block as multiple destinations, only add that block once as a successor/phi
node (in the jumptable case)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31242 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 23:50:33 +00:00
Jim Laskey
583bd47f77 Switch over from SelectionNodeCSEMap to FoldingSet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31240 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 23:46:08 +00:00
Chris Lattner
7a498cbc60 this doesn't occur any more in mason 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31236 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 22:02:19 +00:00
Chris Lattner
4ccf63d8cf the code in question is now: 
cmpw cr0, r7, r3
        ble cr0, LBB1_5 ;bb25
LBB1_8: ;bb17
        cmpw cr0, r8, r5
        bgt cr0, LBB1_2 ;bb

which is just as good as crnand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31235 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 22:00:55 +00:00
Chris Lattner
1c9b2f312d remove debug code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31233 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 21:58:03 +00:00
Chris Lattner
d2f9ee9ea7 Codegen cond&cond with two branches. This compiles (f.e.) PowerPC/and-branch.ll to: 
cmpwi cr0, r4, 4
        bgt cr0, LBB1_2 ;UnifiedReturnBlock
LBB1_3: ;entry
        cmplwi cr0, r3, 0
        bne cr0, LBB1_2 ;UnifiedReturnBlock

instead of:

        cmpwi cr7, r4, 4
        mfcr r2
        addic r4, r3, -1
        subfe r3, r4, r3
        rlwinm r2, r2, 30, 31, 31
        or r2, r2, r3
        cmplwi cr0, r2, 0
        bne cr0, LBB1_2 ;UnifiedReturnBlock
LBB1_1: ;cond_true


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31232 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 21:54:23 +00:00
Chris Lattner
571e434a34 Turn conditions like x<Y|z==q into multiple blocks. 
This compiles Regression/CodeGen/X86/or-branch.ll into:

_foo:
        subl $12, %esp
        call L_bar$stub
        movl 20(%esp), %eax
        movl 16(%esp), %ecx
        cmpl $5, %eax
        jl LBB1_1       #cond_true
LBB1_3: #entry
        testl %ecx, %ecx
        jne LBB1_2      #UnifiedReturnBlock
LBB1_1: #cond_true
        call L_bar$stub
        addl $12, %esp
        ret
LBB1_2: #UnifiedReturnBlock
        addl $12, %esp
        ret

instead of:

_foo:
        subl $12, %esp
        call L_bar$stub
        movl 20(%esp), %eax
        movl 16(%esp), %ecx
        cmpl $4, %eax
        setg %al
        testl %ecx, %ecx
        setne %cl
        testb %cl, %al
        jne LBB1_2      #UnifiedReturnBlock
LBB1_1: #cond_true
        call L_bar$stub
        addl $12, %esp
        ret
LBB1_2: #UnifiedReturnBlock
        addl $12, %esp
        ret

And on ppc to:

        cmpwi cr0, r29, 5
        blt cr0, LBB1_1 ;cond_true
LBB1_3: ;entry
        cmplwi cr0, r30, 0
        bne cr0, LBB1_2 ;UnifiedReturnBlock

instead of:

        cmpwi cr7, r4, 4
        mfcr r2
        addic r4, r3, -1
        subfe r30, r4, r3
        rlwinm r29, r2, 30, 31, 31
        and r2, r29, r30
        cmplwi cr0, r2, 0
        bne cr0, LBB1_2 ;UnifiedReturnBlock


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31230 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 21:36:01 +00:00
Evan Cheng
f686d9b71f Fixed a significant bug where unpcklpd is incorrectly used to extract element 1 from a v2f64 value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31228 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 21:08:32 +00:00
Jim Laskey
2ac33c447d SmallVector append not insert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31224 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 19:38:32 +00:00
Jim Laskey
47ce6b4752 Grrr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31223 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 19:20:12 +00:00
Jim Laskey
788a0c6a18 Temp patch for missing functionality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31222 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 19:14:16 +00:00
Reid Spencer
461076f052 Make the Value and Type methods print a newline so it prints nicely in gdb 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31221 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 18:58:54 +00:00
Evan Cheng
6bdb3f6c8f Fix for PR968: expand vector sdiv, udiv, srem, urem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31220 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 18:49:08 +00:00
Bill Wendling
160db5d20a MathExtras isn't in the llvm/ADT directory but in the llvm/Support directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31219 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 18:47:29 +00:00
Jim Laskey
18529f3515 Apply editorials. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31218 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 18:05:12 +00:00
Jim Laskey
0e5af195f6 Breakout folding hash set from SelectionDAGCSEMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31215 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 16:16:16 +00:00
Reid Spencer
c50209bf68 Initialize CStringSection member var. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31214 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 16:14:06 +00:00
Evan Cheng
87e0813f03 Change load PatFrag to ignore indexed load. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31210 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 21:55:50 +00:00
Evan Cheng
5270cf1b77 getPreIndexedLoad -> getIndexedLoad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31209 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 21:53:40 +00:00
Evan Cheng
80aa9a122f Place cstrings in .cstring section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31207 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 21:48:57 +00:00
Evan Cheng
abf6345710 Speed up isCString() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31206 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 21:48:03 +00:00
Reid Spencer
811b0cbd6e Simplify code a bit by changing instances of: 
InsertNewInstBefore(new CastInst(Val, ValTy, Val->GetName()), I)
into:
   InsertCastBefore(Val, ValTy, I)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31204 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 19:19:06 +00:00
Evan Cheng
8910c1cacb Put cstrings in .cstring section when compiling for Mac OS X. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31203 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 19:18:18 +00:00
Evan Cheng
22c7030a0c Add isCString() - returns true if a ConstantArray is a CString. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31201 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 19:15:05 +00:00
Chris Lattner
4d3839ded2 Fix Transforms/InstCombine/2006-10-26-VectorReassoc.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31200 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 18:27:26 +00:00
Chris Lattner
2e1c196470 Add isFPOrFPVector() method, which indicates if a type is either FP or a 
vector of FP types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31198 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 18:22:45 +00:00
Rafael Espindola
7ae68ab3bc initial support for frame pointers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31197 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 13:31:26 +00:00
Reid Spencer
72ddc211e9 Enclose a case in { and } so that the pickier compilers don't complain. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31196 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 06:17:40 +00:00
Reid Spencer
1628cec4d7 For PR950: 
Make necessary changes to support DIV -> [SUF]Div. This changes llvm to
have three division instructions: signed, unsigned, floating point. The
bytecode and assembler are bacwards compatible, however.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31195 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 06:15:43 +00:00
Nick Lewycky
7043d00750 Fix 2006-10-25-AddSetCC. A relational operator (like setlt) can never 
produce an EQ property.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31193 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 02:35:18 +00:00
Reid Spencer
b43f00b3f5 Make the makefile tell us when Intrinsics.gen is being updated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31191 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 01:42:23 +00:00
Nick Lewycky
e63bf95a32 Resurrect r1.25. 
Fix and comment the "or", "and" and "xor" transformations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31189 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 23:48:24 +00:00
Chris Lattner
c2e91e34dc simplify code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31188 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 22:21:37 +00:00
Evan Cheng
9eca5e814d During vector shuffle lowering, we sometimes commute a vector shuffle to try 
to match MOVL (movss, movsd, etc.). Don't forget to commute it back and try
unpck* and shufp* if that doesn't pan out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31186 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 21:49:50 +00:00
Evan Cheng
009073d839 X86ISD::PEXTRW 3rd operand type is always target pointer type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31185 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 21:35:05 +00:00
Chris Lattner
b67e8f2263 hide symbols properly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31184 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 21:14:31 +00:00
Evan Cheng
9bbbb98a60 Remove -disable-x86-shuffle-opti 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31183 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 20:48:19 +00:00
Chris Lattner
323ece6fcd turn off tail merging for now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31180 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 18:08:50 +00:00
Chris Lattner
13a04125df be more aggressive about matching identical instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31179 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 18:08:14 +00:00
Devang Patel
f9c197e022 Move getPreferredAlignmentLog from AsmPrinter to TargetData 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31171 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 20:32:14 +00:00
Rafael Espindola
0e5e3aacbe expand ISD::VACOPY 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31170 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 20:15:21 +00:00
John Criswell
2f6a8b15ef Removed extraneous semi-colon; this was prevening the grammar file from 
bison'ing correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31169 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 19:09:48 +00:00
Chris Lattner
2452595927 visitSwitchCase knows how to insert conditional branches well. Change 
visitBr to just call visitSwitchCase, eliminating duplicate logic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31167 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 18:07:37 +00:00
Chris Lattner
57ab65972e Generalize CaseBlock a bit more: 
Rename LHSBB/RHSBB to TrueBB/FalseBB.  Allow the RHS value to be null,
in which case the LHS is treated as a bool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31166 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 17:57:59 +00:00
Chris Lattner
bacf9f4888 Fix CodeGen/IA64/ret-0.ll, which has apparently been broken since some of the 
isel changes happened months ago.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31164 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 17:09:43 +00:00
Rafael Espindola
3d7d39ab15 fix warning about missing newline at end of file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31162 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 17:07:11 +00:00
Chris Lattner
7b248d9866 generalize 'CaseBlock'. It really allows any comparison to be inserted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31161 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 17:03:35 +00:00
Chris Lattner
578e64a041 implement uncond branch insertion, mark branches with isBranch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31160 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 16:47:57 +00:00
Chris Lattner
11533e2236 implement uncond branch insertion for the branch folding pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31159 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 16:44:55 +00:00
Chris Lattner
0476b28525 implement uncond branch insertion so alpha works work branchfolding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31158 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 16:41:36 +00:00
Chris Lattner
e87146ace8 implement uncond branch insertion for sparc to fix regressions from last night 
due to branchfolding


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31157 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 16:39:19 +00:00
Chris Lattner
cf10391a72 new bad case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31156 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 16:12:47 +00:00
Jim Laskey
62d07d6ace Don't do dead block elimination in fast mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31155 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 16:11:49 +00:00
Jim Laskey
e719d9f8f2 LinearScanner hotspot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31153 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-24 14:35:25 +00:00