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Author SHA1 Message Date
Evan Cheng
c7b7f4cad2 -sched-commute-nodes is now on by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28467 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 08:39:25 +00:00
Evan Cheng
3b78823868 Turn on -sched-commute-nodes by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28465 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 08:37:31 +00:00
Chris Lattner
32cdb6617e Fix breakage on platforms where string/cassert don't pull in int64_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28464 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 05:59:50 +00:00
Evan Cheng
32fe1035a7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28463 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:59:30 +00:00
Evan Cheng
4360bdcf1f CALL node change (arg / sign pairs instead of just arguments). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28462 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:57:32 +00:00
Evan Cheng
f6d62c2e2a CALL node change: now including signness of every argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28461 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:55:32 +00:00
Evan Cheng
9657eac240 CALL node change: now containing signness of each argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28460 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:54:33 +00:00
Evan Cheng
6a3d5a62f0 Assert if InflightSet is not cleared after instruction selecting a BB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28459 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:24:28 +00:00
Evan Cheng
b0793f9741 Fixed a really ugly bug. The TableGen'd isel is not freeing the "inflight set" 
correctly. That is causing non-deterministic behavior (and possibly preventing
some load folding from happening).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28458 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:21:44 +00:00
Chris Lattner
d63b964850 Abstract out the current optimization level into a flag that can be overridden 
on the make line, to avoid bugs in native compilers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28457 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 23:02:40 +00:00
Chris Lattner
f07ddcd38b Remove flags implied by -O3 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28456 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 22:59:07 +00:00
Chris Lattner
c98deeb887 Update testcase with recent cbe change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28455 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 20:52:08 +00:00
Evan Cheng
afe358e7d4 Clear HandleMap and ReplaceMap after instruction selection. Or it may cause 
non-deterministic behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28454 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 20:46:25 +00:00
Reid Spencer
19b7e0e0ca 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28453 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 19:21:13 +00:00
Reid Spencer
077b387207 For PR786: 
Remove a spurious ;


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28452 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 19:05:21 +00:00
Chris Lattner
e5aa8f38a7 Don't use -fomit-frame-pointer on darwin, it breaks stacktrace collection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28451 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 18:34:08 +00:00
Chris Lattner
a04c0c417b Patch for a new instcombine xform, patch contributed by Nick Lewycky! 
This implements Transforms/InstCombine/2006-05-10-InvalidIndexUndef.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28450 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:34:30 +00:00
Chris Lattner
b464997bba Testcase for a new instcombine xform, patch contributed by Nick Lewycky! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28449 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:34:02 +00:00
Chris Lattner
243be2c80d Don't make zero-sized static arrays 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28448 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:31:02 +00:00
Chris Lattner
d74ea2bbd8 Patches to make the LLVM sources more -pedantic clean. Patch provided 
by Anton Korobeynikov!  This is a step towards closing PR786.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28447 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 17:04:05 +00:00
Chris Lattner
c22158d371 One of these xforms is only safe with unsafe math enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28446 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 00:49:32 +00:00
Chris Lattner
2ef5e89dc9 Fix CodeGen/Generic/vector.ll:test_div with altivec. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28445 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 00:15:25 +00:00
Chris Lattner
5ecc0acfbb New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28444 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 00:12:50 +00:00
Chris Lattner
5734012375 Handle SETO* like we handle SET*, restoring behavior after Evan's setcc 
change.  This fixes PowerPC/fnegsel.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28443 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-24 00:06:44 +00:00
Chris Lattner
0c54d8964d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28442 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 23:39:48 +00:00
Chris Lattner
c6d0567324 Fix file header comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28441 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 23:20:42 +00:00
Evan Cheng
4db3af3511 Better way to check for vararg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28440 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 21:08:24 +00:00
Evan Cheng
25caf63cd2 Remove PreprocessCCCArguments and PreprocessFastCCArguments now that 
FORMAL_ARGUMENTS nodes include a token operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28439 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 21:06:34 +00:00
Chris Lattner
2d2970905c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28438 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 18:50:38 +00:00
Evan Cheng
80235d508e -enable-unsafe-fp-math implies -enable-finite-only-fp-math 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28437 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 18:18:46 +00:00
Vladimir Prus
1fd8a4f65d Make class comment visible in Doxygen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28436 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 15:32:15 +00:00
Vladimir Prus
124729155d Fix missing include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28435 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 13:43:15 +00:00
Evan Cheng
13fcf6f811 Added a test case for FP equality check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28434 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 06:41:23 +00:00
Evan Cheng
f6f9581983 Incorrect SETCC CondCode used for FP comparisons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28433 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 06:40:47 +00:00
Evan Cheng
95942d76f4 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28432 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 06:39:12 +00:00
Rafael Espindola
4b442b528a implement minimal versions of 
ARMAsmPrinter::runOnMachineFunction
LowerFORMAL_ARGUMENTS
ARMInstrInfo::isMoveInstr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28431 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 02:48:20 +00:00
Chris Lattner
eb82da891c Describe how to add a custom test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28430 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 01:40:20 +00:00
Chris Lattner
792321a6b1 Wrap long lines fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28429 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 01:25:11 +00:00
Evan Cheng
435bcd7f5f A isel deficiency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28427 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-22 05:54:49 +00:00
Reid Spencer
0fa145d8b8 For PR784: 
Support Win32 platforms for llvm-gcc path. Patch by Anton Korobeynikov


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28426 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-21 10:40:20 +00:00
Evan Cheng
3c380e71e1 Back out indirect branch load folding hack. It broke some tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28425 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-21 06:28:50 +00:00
Chris Lattner
e8263e6437 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28424 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-21 03:57:07 +00:00
Owen Anderson
bcd8a8264e Make TargetData strings less redundant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28423 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 23:28:54 +00:00
Chris Lattner
01859e8853 Silence a bogus gcc warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28422 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 23:14:03 +00:00
Chris Lattner
f489fb24f2 Fix a parsing bug that caused 7 llvm-test regressions on PPC last night. 
I'm suprised it didn't cause more!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28421 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 21:16:59 +00:00
Evan Cheng
4f7f71de43 - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28420 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 09:21:39 +00:00
Evan Cheng
0d23bc4666 A new entry 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28419 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 07:44:53 +00:00
Evan Cheng
6b2e254437 Missing break statements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28418 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 07:44:28 +00:00
Evan Cheng
fb914c43ba Remove unused patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28417 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 01:40:16 +00:00
Evan Cheng
b245d92328 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28416 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-20 01:36:52 +00:00