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ac23a62ab3
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4370 Commits

Author SHA1 Message Date
Reid Spencer
ac23a62ab3 Add a -disable-cbe-printf-a option so that the output of the C Backend 
stands a chance of being compiled with a non C99 C compiler. The default
is enabled so you must specifically disable this feature if you want the
CBE output compiled with an older C compiler.

llvm-svn: 31461
 2006-11-05 17:08:18 +00:00
Evan Cheng
ae357e5044 Added getIndexedStore. 
llvm-svn: 31458
 2006-11-05 09:30:09 +00:00
Evan Cheng
a4bfb23119 Move to operand constraints for two-address instructions. 
llvm-svn: 31452
 2006-11-04 09:42:53 +00:00
Evan Cheng
047a33d3e3 Fix comments. 
llvm-svn: 31414
 2006-11-03 07:31:32 +00:00
Evan Cheng
466e20fca2 Rename 
llvm-svn: 31413
 2006-11-03 07:21:16 +00:00
Evan Cheng
9ebbced355 Added a target specific hook to check whether / how a node can be transformed 
into a pair of base / offset nodes for pre-indexed load / store ops.

llvm-svn: 31407
 2006-11-03 03:04:06 +00:00
Evan Cheng
b19289a84d Add isPredecessor to check whether a node is another's predecessor. 
llvm-svn: 31406
 2006-11-03 03:02:18 +00:00
Chris Lattner
f6b840a1ae silence warning 
llvm-svn: 31402
 2006-11-03 01:45:13 +00:00
Jim Laskey
c770e68c11 Allow FoldingSet clients to pump up the initial hash size. 
llvm-svn: 31377
 2006-11-02 14:21:26 +00:00
Reid Spencer
1abf69e923 For PR950: 
Replace the REM instruction with UREM, SREM and FREM.

llvm-svn: 31369
 2006-11-02 01:53:59 +00:00
Chris Lattner
4cb79a5f9d generalize this api 
llvm-svn: 31365
 2006-11-02 01:39:10 +00:00
Evan Cheng
1da5ee8485 Rename 
llvm-svn: 31364
 2006-11-01 23:18:32 +00:00
Evan Cheng
b1ac9f6c12 Added getTiedToSrcOperand() to check for two-address'ness. 
llvm-svn: 31360
 2006-11-01 23:00:31 +00:00
Evan Cheng
83b0827a2e Add a printSetLabel that takes two id's. 
llvm-svn: 31347
 2006-11-01 09:23:08 +00:00
Evan Cheng
c566892bd5 Add operand constraints to TargetInstrInfo. 
llvm-svn: 31333
 2006-11-01 00:27:05 +00:00
Chris Lattner
d9afd310a6 Change the prototype for TargetLowering::isOperandValidForConstraint 
llvm-svn: 31318
 2006-10-31 19:40:43 +00:00
Anton Korobeynikov
9867bf5eaf Unbreaking static ctors patch. 
Defaulting second arguments of SwitchTo*Section, this should make things
somehow clearer.

llvm-svn: 31306
 2006-10-31 06:11:06 +00:00
Reid Spencer
e01994f8b1 Don't mislead readers by claiming a variable is defaulted to false when 
the default is actually true.

llvm-svn: 31300
 2006-10-30 22:46:49 +00:00
Reid Spencer
db06ed9156 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.

llvm-svn: 31299
 2006-10-30 22:32:30 +00:00
Jim Laskey
1ccb7c5d03 Simplify DwarfWriter header. 
llvm-svn: 31295
 2006-10-30 13:35:07 +00:00
Evan Cheng
7437ed9f30 Added a new SDNode type: BR_JT for jumptable branch. 
llvm-svn: 31292
 2006-10-30 07:59:36 +00:00
Chris Lattner
5c33fa2a37 add a new form of insert. 
llvm-svn: 31290
 2006-10-30 05:07:51 +00:00
Chris Lattner
9a99a284dc Add SmallString a (currently) minimal class that adapts SmallVector to be 
more string-like.

llvm-svn: 31289
 2006-10-30 03:39:20 +00:00
Chris Lattner
593e2361b4 add a method 
llvm-svn: 31288
 2006-10-30 03:14:15 +00:00
Chris Lattner
08b405916c add newline at end of file 
llvm-svn: 31287
 2006-10-29 23:47:01 +00:00
Chris Lattner
1db6efc297 add a highly efficient hash table that is specialized for mapping C strings 
to some other type.

llvm-svn: 31286
 2006-10-29 23:42:03 +00:00
Chris Lattner
6a498a7658 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.

llvm-svn: 31285
 2006-10-29 22:08:03 +00:00
Chris Lattner
fbe8021392 add an assertion 
llvm-svn: 31272
 2006-10-28 18:21:51 +00:00
Chris Lattner
2d12a0cb70 remove dead method 
llvm-svn: 31271
 2006-10-28 18:21:29 +00:00
Chris Lattner
bcd43c46ab add a method for hacking on JTIdx's 
llvm-svn: 31270
 2006-10-28 18:18:36 +00:00
Chris Lattner
3c19558b6b const'ify jump table stuff 
llvm-svn: 31269
 2006-10-28 18:17:09 +00:00
Chris Lattner
fa7bf778e5 add a method for deleting dead jump tables. 
llvm-svn: 31268
 2006-10-28 18:12:00 +00:00
Chris Lattner
394da08e59 determine whether a change was made 
llvm-svn: 31265
 2006-10-28 18:00:05 +00:00
Chris Lattner
dcfee77788 add another target hook for branch folding. 
llvm-svn: 31262
 2006-10-28 17:29:57 +00:00
Chris Lattner
65f872288d add option to isCriticalEdge 
llvm-svn: 31258
 2006-10-28 06:58:17 +00:00
Chris Lattner
85bc826ca6 Expose a smarter way to break critical edges. 
llvm-svn: 31256
 2006-10-28 06:44:56 +00:00
Jim Laskey
f5452dfa52 Editorial clean up. 
llvm-svn: 31250
 2006-10-28 01:34:21 +00:00
Chris Lattner
44b3550217 add a method 
llvm-svn: 31249
 2006-10-28 01:24:05 +00:00
Jim Laskey
ef56bc9680 Switch over from SelectionNodeCSEMap to FoldingSet. 
llvm-svn: 31240
 2006-10-27 23:46:08 +00:00
Jim Laskey
e65b6c3c60 Clean up 
llvm-svn: 31238
 2006-10-27 22:52:02 +00:00
Chris Lattner
05159debc4 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

llvm-svn: 31230
 2006-10-27 21:36:01 +00:00
Jim Laskey
3d1116e32c Apply editorials. 
llvm-svn: 31218
 2006-10-27 18:05:12 +00:00
Jim Laskey
69b57830c2 Breakout folding hash set from SelectionDAGCSEMap. 
llvm-svn: 31215
 2006-10-27 16:16:16 +00:00
Evan Cheng
d2d6b83b83 Indexed load / store changes. 
llvm-svn: 31208
 2006-10-26 21:52:24 +00:00
Devang Patel
ac5109eec8 Save temp. bc files when saveTemps flag is true. Use final output file 
name supplied by linker to construct temp bc file names.

Remove tabs.

llvm-svn: 31205
 2006-10-26 20:46:22 +00:00
Evan Cheng
5963dcb6e8 Added CStringSection. 
llvm-svn: 31202
 2006-10-26 19:16:20 +00:00
Evan Cheng
9d0bfecda6 Add isCString() - returns true if a ConstantArray is a CString. 
llvm-svn: 31201
 2006-10-26 19:15:05 +00:00
Chris Lattner
257998ec14 Add isFPOrFPVector() method, which indicates if a type is either FP or a 
vector of FP types.

llvm-svn: 31198
 2006-10-26 18:22:45 +00:00
Reid Spencer
6833ffe8b8 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.

llvm-svn: 31195
 2006-10-26 06:15:43 +00:00
Devang Patel
3c1afad503 Supply alignment info to linker through LLVMSymbol. 
llvm-svn: 31181
 2006-10-25 18:10:07 +00:00