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1599 Commits

Author SHA1 Message Date
Chris Lattner 895d199348 remove dead vars 
llvm-svn: 31433
 2006-11-03 23:46:45 +00:00
Chris Lattner 2de0910a1b fix a bug reid noticed 
llvm-svn: 31385
 2006-11-02 23:39:53 +00:00
Reid Spencer de46e48420 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380
 2006-11-02 20:25:50 +00:00
Chris Lattner 584a11ae22 Implement the getRegForInlineAsmConstraint method for PPC. With recent 
sdisel changes, this eliminates a ton of copies around common inline asms.
For example:

int test2(int Y, int X) {
  asm("foo %0, %1" : "=r"(X): "r"(X));
  return X;
}

now compiles to:

_test2:
        foo r3, r4
        blr

instead of:

_test2:
        mr r2, r4
        foo r2, r2
        mr r3, r2
        blr

GCC produces:

_test2:
        foo r4, r4
        mr r3,r4
        blr

llvm-svn: 31367
 2006-11-02 01:44:04 +00:00
Chris Lattner 8c6949e5b2 Change the prototype for TargetLowering::isOperandValidForConstraint 
llvm-svn: 31318
 2006-10-31 19:40:43 +00:00
Anton Korobeynikov aa4c0f9374 1. Clean up code due to changes in SwitchTo*Section(2) 
2. Added partial debug support for mingw\cygwin targets (the same as
   Linux\ELF). Please note, that currently mingw\cygwin uses 'stabs' format
   for storing debug info by default, thus many (runtime) libraries has
   this information included. These formats shouldn't be mixed in one binary
   ('stabs' & 'DWARF'), otherwise binutils tools will be confused.

llvm-svn: 31311
 2006-10-31 08:31:24 +00:00
Chris Lattner 3e36e07db2 fix miscompilation of llvm.isunordered, where we branched on the opposite 
condition.  This fixes miscompilation of Olden/bh and many others.

llvm-svn: 31301
 2006-10-30 23:02:25 +00:00
Evan Cheng 0d41d19427 All targets expand BR_JT for now. 
llvm-svn: 31294
 2006-10-30 08:02:39 +00:00
Chris Lattner 113f7470e6 implement the BlockHasNoFallThrough hook 
llvm-svn: 31264
 2006-10-28 17:35:02 +00:00
Evan Cheng ae8c29a7d3 Doh. Must check if GV is constant first before putting it in .cstring. 
llvm-svn: 31253
 2006-10-28 05:56:51 +00:00
Chris Lattner acc6b37d0d don't dist internal readme's 
llvm-svn: 31246
 2006-10-28 00:49:54 +00:00
Chris Lattner 28174f5a3a this doesn't occur any more in mason 
llvm-svn: 31236
 2006-10-27 22:02:19 +00:00
Chris Lattner 4c0cc53da1 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.

llvm-svn: 31235
 2006-10-27 22:00:55 +00:00
Evan Cheng e1e06c2de8 Place cstrings in .cstring section. 
llvm-svn: 31207
 2006-10-26 21:48:57 +00:00
Devang Patel 71b99297aa Move getPreferredAlignmentLog from AsmPrinter to TargetData 
llvm-svn: 31171
 2006-10-24 20:32:14 +00:00
Chris Lattner d43e8a7429 Add intrinsics for the rest of the DCB* instructions. 
llvm-svn: 31148
 2006-10-24 01:08:42 +00:00
Chris Lattner 23f22de26f Implement support for branch reversal, fix a bug in branch analysis. 
This provides stuff like:

        cmpw cr0, r15, r29
        mr r14, r15
-       bge cr0, LBB3_111       ;bb656
-       b LBB3_90       ;bb501
+       blt cr0, LBB3_90        ;bb501
 LBB3_111:      ;bb656
        lwz r18, 68(r1)

which is particularly good for dispatch group formation.

llvm-svn: 31101
 2006-10-21 06:03:11 +00:00
Chris Lattner d881660366 Simplify code, no functionality change 
llvm-svn: 31097
 2006-10-21 05:42:09 +00:00
Chris Lattner 94e04442eb implement support for inserting a cond branch 
llvm-svn: 31096
 2006-10-21 05:36:13 +00:00
Chris Lattner 454436dcc5 set the ppc64 stack pointer right, dynamic alloca now works for ppc64 
llvm-svn: 31028
 2006-10-18 01:20:43 +00:00
Chris Lattner ab4df83426 Expand alloca for ppc64 
llvm-svn: 31027
 2006-10-18 01:18:48 +00:00
Chris Lattner 0408e5b7ce expose DWARF_LABEL opcode# so the branch folder can update debug info properly. 
llvm-svn: 31024
 2006-10-17 22:41:45 +00:00
Chris Lattner a61f0105bd add support for inserting an uncond branch 
llvm-svn: 31003
 2006-10-17 18:06:55 +00:00
Jim Laskey 2794184191 Use S_debug for dwarf info. 
llvm-svn: 30994
 2006-10-17 11:30:57 +00:00
Chris Lattner a47294ed7a implement branch inspection/modification methods. 
llvm-svn: 30946
 2006-10-13 21:21:17 +00:00
Evan Cheng ab51cf2e78 Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode. 
llvm-svn: 30945
 2006-10-13 21:14:26 +00:00
Chris Lattner be131662c3 add note 
llvm-svn: 30937
 2006-10-13 20:20:58 +00:00
Chris Lattner cf56917053 set isBarrier correctly 
llvm-svn: 30936
 2006-10-13 19:10:34 +00:00
Chris Lattner 4dc4f30a48 Correctly handle instruction separators. 
llvm-svn: 30935
 2006-10-13 17:56:02 +00:00
Chris Lattner 7374bc0577 mark adjcallstack up/down as clobbering and using the SP 
llvm-svn: 30908
 2006-10-12 17:56:34 +00:00
Evan Cheng 577ef7694e Add properties to ComplexPattern. 
llvm-svn: 30891
 2006-10-11 21:03:53 +00:00
Evan Cheng e71fe34d75 Reflects ISD::LOAD / ISD::LOADX / LoadSDNode changes. 
llvm-svn: 30844
 2006-10-09 20:57:25 +00:00
Evan Cheng df9ac47e5e Make use of getStore(). 
llvm-svn: 30759
 2006-10-05 23:01:46 +00:00
Chris Lattner 8cfd10eff3 Don't bother setting JumpTableTextSection, it is about to disappear 
llvm-svn: 30745
 2006-10-05 03:13:59 +00:00
Chris Lattner a6a570e02f Pass the MachineFunction into EmitJumpTableInfo. 
llvm-svn: 30742
 2006-10-05 03:01:21 +00:00
Chris Lattner 028d663ee6 Move getSectionForFunction to AsmPrinter, change it to return a string. 
llvm-svn: 30735
 2006-10-05 02:42:20 +00:00
Chris Lattner 0d236450aa implement DarwinTargetAsmInfo::getSectionForFunction, use it when outputting 
function bodies

llvm-svn: 30733
 2006-10-05 00:35:50 +00:00
Chris Lattner 41e22a5419 emit jump table before debug info 
llvm-svn: 30731
 2006-10-05 00:26:05 +00:00
Chris Lattner aad26a19f0 Always emit the jump table after the function so it's part of the same 'atom' 
as the function body.

llvm-svn: 30730
 2006-10-05 00:24:46 +00:00
Evan Cheng 5d9fd977d3 Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an 
extra operand to LOADX to specify the exact value extension type.

llvm-svn: 30714
 2006-10-04 00:56:09 +00:00
Chris Lattner d32cb5ee7f wrap long lines 
llvm-svn: 30662
 2006-09-28 23:32:43 +00:00
Chris Lattner 78370606d0 Shift amounts are always 32-bits, even in 64-bit mode. This fixes 
CodeGen/PowerPC/2006-09-28-shift_64.ll

llvm-svn: 30652
 2006-09-28 20:48:45 +00:00
Chris Lattner 67f8cc51f4 Use abstract private/comment directives, to increase portability to ppc/linux 
llvm-svn: 30621
 2006-09-27 02:55:21 +00:00
Chris Lattner ad4e7eb59e Compile: 
int x __attribute__((used));

to:

        .data
.comm _x,4              ; 'x'
        .no_dead_strip  _x

on both x86 and ppc darwin targets.

llvm-svn: 30605
 2006-09-26 03:39:53 +00:00
Nate Begeman d31efd190f Fold AND and ROTL more often 
llvm-svn: 30577
 2006-09-22 05:01:56 +00:00
Chris Lattner a81a75c390 The DarwinAsmPrinter need not check for isDarwin. createPPCAsmPrinterPass 
should create the right asmprinter subclass.

llvm-svn: 30542
 2006-09-20 17:12:19 +00:00
Chris Lattner 8597a2fc4e Wrap some darwin'isms with isDarwin checks. 
llvm-svn: 30541
 2006-09-20 17:07:15 +00:00
Chris Lattner fba9e8f422 item done 
llvm-svn: 30518
 2006-09-20 06:41:56 +00:00
Chris Lattner f62f090ea1 This is already done 
llvm-svn: 30512
 2006-09-20 04:59:33 +00:00
Chris Lattner da9b1a9322 Improve PPC64 equality comparisons like PPC32 comparisons. 
llvm-svn: 30510
 2006-09-20 04:33:27 +00:00