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14205 Commits

Author SHA1 Message Date
Evan Cheng
ee280ac5d0 Remove some dead code. 
llvm-svn: 28481
 2006-05-25 22:25:52 +00:00
Evan Cheng
564c7ac8f6 X86 / Cygwin asm / alignment fixes. 
Patch contributed by Anton Korobeynikov!

llvm-svn: 28480
 2006-05-25 21:59:08 +00:00
Chris Lattner
d3eff919d8 Revert a patch that is unsafe, due to out of range array accesses in inner 
array scopes possibly accessing valid memory in outer subscripts.

llvm-svn: 28478
 2006-05-25 21:25:12 +00:00
Evan Cheng
abb909e3bb Build breakage. 
llvm-svn: 28475
 2006-05-25 18:56:34 +00:00
Chris Lattner
cbcad040b3 Fix build failure of povray 
llvm-svn: 28473
 2006-05-25 18:06:16 +00:00
Chris Lattner
e3059fb8bd Fix Benchmarks/MallocBench/cfrac 
llvm-svn: 28471
 2006-05-25 16:54:16 +00:00
Rafael Espindola
31b98f8e04 implement initial version of ARMAsmPrinter::printOperand 
llvm-svn: 28470
 2006-05-25 12:57:06 +00:00
Rafael Espindola
90eec6b0f7 port the ARM backend to use ISD::CALL instead of LowerCallTo 
llvm-svn: 28469
 2006-05-25 11:00:18 +00:00
Evan Cheng
6fdd4960aa Turn on -sched-commute-nodes by default. 
llvm-svn: 28465
 2006-05-25 08:37:31 +00:00
Evan Cheng
bb17ad5ffa Switch X86 over to a call-selection model where the lowering code creates 
the copyto/fromregs instead of making the X86ISD::CALL selection code create
them.

llvm-svn: 28463
 2006-05-25 00:59:30 +00:00
Evan Cheng
4a74dd0c51 CALL node change (arg / sign pairs instead of just arguments). 
llvm-svn: 28462
 2006-05-25 00:57:32 +00:00
Evan Cheng
920d9c86f1 CALL node change: now including signness of every argument. 
llvm-svn: 28461
 2006-05-25 00:55:32 +00:00
Evan Cheng
09942d3f8b Assert if InflightSet is not cleared after instruction selecting a BB. 
llvm-svn: 28459
 2006-05-25 00:24:28 +00:00
Evan Cheng
b040dd86af Clear HandleMap and ReplaceMap after instruction selection. Or it may cause 
non-deterministic behavior.

llvm-svn: 28454
 2006-05-24 20:46:25 +00:00
Reid Spencer
574d4e6992 For PR786: 
Minor tweaks in public headers and a few .cpp files so that LLVM can build
successfully with -pedantic and projects using LLVM with -pedantic don't
get warnings from LLVM. There's still more -pedantic warnings to fix.

llvm-svn: 28453
 2006-05-24 19:21:13 +00:00
Reid Spencer
e39b3b9bf0 For PR786: 
Remove a spurious ;

llvm-svn: 28452
 2006-05-24 19:05:21 +00:00
Chris Lattner
0b38bc2a99 Patch for a new instcombine xform, patch contributed by Nick Lewycky! 
This implements Transforms/InstCombine/2006-05-10-InvalidIndexUndef.ll

llvm-svn: 28450
 2006-05-24 17:34:30 +00:00
Chris Lattner
f604017e47 Patches to make the LLVM sources more -pedantic clean. Patch provided 
by Anton Korobeynikov!  This is a step towards closing PR786.

llvm-svn: 28447
 2006-05-24 17:04:05 +00:00
Chris Lattner
bc3be2ff8a Fix CodeGen/Generic/vector.ll:test_div with altivec. 
llvm-svn: 28445
 2006-05-24 00:15:25 +00:00
Chris Lattner
56862bbd53 Handle SETO* like we handle SET*, restoring behavior after Evan's setcc 
change.  This fixes PowerPC/fnegsel.ll.

llvm-svn: 28443
 2006-05-24 00:06:44 +00:00
Chris Lattner
2ce3eb8210 Print struct return functions and calls as actually returning the hidden 
argument struct pointer, enabling ABI compatibility for the CBE with
platforms with strange struct-return ABIs.  This fixes 252.eon and
CoyoteBench/fftbench on Darwin/X86 among other things.

llvm-svn: 28442
 2006-05-23 23:39:48 +00:00
Chris Lattner
ac9665d682 Fix file header comment 
llvm-svn: 28441
 2006-05-23 23:20:42 +00:00
Evan Cheng
3ef176507d Better way to check for vararg. 
llvm-svn: 28440
 2006-05-23 21:08:24 +00:00
Evan Cheng
65c3f3f26b Remove PreprocessCCCArguments and PreprocessFastCCArguments now that 
FORMAL_ARGUMENTS nodes include a token operand.

llvm-svn: 28439
 2006-05-23 21:06:34 +00:00
Chris Lattner
9aec97df10 Implement an annoying part of the Darwin/X86 abi: the callee of a struct 
return argument pops the hidden struct pointer if present, not the caller.

For example, in this testcase:

struct X { int D, E, F, G; };
struct X bar() {
  struct X a;
  a.D = 0;
  a.E = 1;
  a.F = 2;
  a.G = 3;
  return a;
}
void foo(struct X *P) {
  *P = bar();
}

We used to emit:

_foo:
        subl $28, %esp
        movl 32(%esp), %eax
        movl %eax, (%esp)
        call _bar
        addl $28, %esp
        ret
_bar:
        movl 4(%esp), %eax
        movl $0, (%eax)
        movl $1, 4(%eax)
        movl $2, 8(%eax)
        movl $3, 12(%eax)
        ret

This is correct on Linux/X86 but not Darwin/X86.  With this patch, we now
emit:

_foo:
        subl $28, %esp
        movl 32(%esp), %eax
        movl %eax, (%esp)
        call _bar
***     addl $24, %esp
        ret
_bar:
        movl 4(%esp), %eax
        movl $0, (%eax)
        movl $1, 4(%eax)
        movl $2, 8(%eax)
        movl $3, 12(%eax)
***     ret $4

For the record, GCC emits (which is functionally equivalent to our new code):

_bar:
        movl    4(%esp), %eax
        movl    $3, 12(%eax)
        movl    $2, 8(%eax)
        movl    $1, 4(%eax)
        movl    $0, (%eax)
        ret     $4
_foo:
        pushl   %esi
        subl    $40, %esp
        movl    48(%esp), %esi
        leal    16(%esp), %eax
        movl    %eax, (%esp)
        call    _bar
        subl    $4, %esp
        movl    16(%esp), %eax
        movl    %eax, (%esi)
        movl    20(%esp), %eax
        movl    %eax, 4(%esi)
        movl    24(%esp), %eax
        movl    %eax, 8(%esi)
        movl    28(%esp), %eax
        movl    %eax, 12(%esi)
        addl    $40, %esp
        popl    %esi
        ret

This fixes SingleSource/Benchmarks/CoyoteBench/fftbench with LLC and the
JIT, and fixes the X86-backend portion of PR729.  The CBE still needs to
be updated.

llvm-svn: 28438
 2006-05-23 18:50:38 +00:00
Evan Cheng
6909147763 -enable-unsafe-fp-math implies -enable-finite-only-fp-math 
llvm-svn: 28437
 2006-05-23 18:18:46 +00:00
Vladimir Prus
125917432a Fix missing include 
llvm-svn: 28435
 2006-05-23 13:43:15 +00:00
Evan Cheng
19e9e63dcd Incorrect SETCC CondCode used for FP comparisons. 
llvm-svn: 28433
 2006-05-23 06:40:47 +00:00
Evan Cheng
86e56c1066 Added option -enable-finite-only-fp-math. When on, the codegen can assume that 
FP arithmetic arguments and results are never NaNs or +=Infs. This includes
ignoring parity flag (PF) when checking for FP equality.

llvm-svn: 28432
 2006-05-23 06:39:12 +00:00
Rafael Espindola
bb1e2e2c52 implement minimal versions of 
ARMAsmPrinter::runOnMachineFunction
LowerFORMAL_ARGUMENTS
ARMInstrInfo::isMoveInstr

llvm-svn: 28431
 2006-05-23 02:48:20 +00:00
Evan Cheng
c25e986c9f A isel deficiency. 
llvm-svn: 28427
 2006-05-22 05:54:49 +00:00
Evan Cheng
52fde7f5ce Back out indirect branch load folding hack. It broke some tests. 
llvm-svn: 28425
 2006-05-21 06:28:50 +00:00
Chris Lattner
9d6103087a Add a note 
llvm-svn: 28424
 2006-05-21 03:57:07 +00:00
Owen Anderson
4a78af08aa Make TargetData strings less redundant. 
llvm-svn: 28423
 2006-05-20 23:28:54 +00:00
Chris Lattner
1ddd46999b Silence a bogus gcc warning 
llvm-svn: 28422
 2006-05-20 23:14:03 +00:00
Chris Lattner
c7de368bda Fix a parsing bug that caused 7 llvm-test regressions on PPC last night. 
I'm suprised it didn't cause more!

llvm-svn: 28421
 2006-05-20 21:16:59 +00:00
Evan Cheng
a0bbbba168 - Use of load's chain result should be redirected to load's chain operand. 
If it reads the chain result of the call, then the use, callseq_start,
  and call would form a cycle!
- Don't forget handle node replacement!
- There could also be a TokenFactor between the load and the callseq_start.

llvm-svn: 28420
 2006-05-20 09:21:39 +00:00
Evan Cheng
bb6733743e A new entry 
llvm-svn: 28419
 2006-05-20 07:44:53 +00:00
Evan Cheng
95259a0f68 Missing break statements. 
llvm-svn: 28418
 2006-05-20 07:44:28 +00:00
Evan Cheng
550e73a900 Remove unused patterns. 
llvm-svn: 28417
 2006-05-20 01:40:16 +00:00
Evan Cheng
c68ea538e7 Handle indirect call which folds a load manually. This never matches by 
the TableGen generated code since the load's chain result is read by
the callseq_start node.

llvm-svn: 28416
 2006-05-20 01:36:52 +00:00
Owen Anderson
b2ac706286 Sparc is big-endian. 
llvm-svn: 28415
 2006-05-20 00:49:30 +00:00
Owen Anderson
c6947bf2ce Make all of the TargetMachine subclasses use the new string TargetData methods. 
This is part of the on-going work on PR 761.

llvm-svn: 28414
 2006-05-20 00:24:56 +00:00
Chris Lattner
7a3f5267c0 Print csretcc calls like this: 
call csretcc void %structret( { sbyte }* %P )

instead of this:

        callcsretcc  void %structret( { sbyte }* %P )

llvm-svn: 28412
 2006-05-19 21:58:52 +00:00
Chris Lattner
91a82b1152 Fix misencoding of calling conventions 
llvm-svn: 28411
 2006-05-19 21:57:37 +00:00
Chris Lattner
b0af1b89ac pretty print csretcc for calls 
llvm-svn: 28410
 2006-05-19 21:54:03 +00:00
Chris Lattner
6d6a4d0e49 CSRet allows varargs 
llvm-svn: 28409
 2006-05-19 21:34:04 +00:00
Chris Lattner
bb961fb9d8 Asmprint csret nicely 
llvm-svn: 28408
 2006-05-19 21:29:57 +00:00
Chris Lattner
c4de187e4d Regenerate 
llvm-svn: 28407
 2006-05-19 21:28:53 +00:00
Chris Lattner
eb18e81992 Add support for parsing csret 
llvm-svn: 28406
 2006-05-19 21:28:34 +00:00