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Author SHA1 Message Date
Chris Lattner
d5dcb39d9f new testcase 
llvm-svn: 28486
 2006-05-25 23:23:22 +00:00
Chris Lattner
5df88a112b extract element from a shuffle vector can be trivially turned into an 
extractelement from the SV's source.  This implement vec_shuffle.ll:test[45]

llvm-svn: 28485
 2006-05-25 22:53:38 +00:00
Chris Lattner
3bbd20f754 new testcases 
llvm-svn: 28484
 2006-05-25 22:52:49 +00:00
Evan Cheng
fb5e64ff9e Some clean up. 
llvm-svn: 28483
 2006-05-25 22:38:31 +00:00
Chris Lattner
5e1d6724da Add support for the missing FP condition codes 
llvm-svn: 28482
 2006-05-25 22:26:02 +00:00
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
24762cd819 The patch corresponding to this test had to be reverted as unsafe. 
llvm-svn: 28479
 2006-05-25 21:25:54 +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
227c09e7d2 New test case. x86 isel was creating a cycle in the DAG. 
llvm-svn: 28477
 2006-05-25 20:21:19 +00:00
Evan Cheng
1e9556ee06 Can't trust NodeDepth when checking for possibility of load folding creating 
a cycle. This increase the search space and will increase compile time (in
practice it appears to be small, e.g. 176.gcc goes from 62 sec to 65 sec)
that will be addressed later.

llvm-svn: 28476
 2006-05-25 20:16:55 +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
Rafael Espindola
eedf343115 create test/Regression/CodeGen/ARM/ and add a minimal test to it 
llvm-svn: 28468
 2006-05-25 10:49:19 +00:00
Evan Cheng
4890385e8f -sched-commute-nodes is now on by default. 
llvm-svn: 28467
 2006-05-25 08:39:25 +00:00
Evan Cheng
6fdd4960aa Turn on -sched-commute-nodes by default. 
llvm-svn: 28465
 2006-05-25 08:37:31 +00:00
Chris Lattner
819480fcb2 Fix breakage on platforms where string/cassert don't pull in int64_t. 
llvm-svn: 28464
 2006-05-25 05:59:50 +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
5d83c6ad6a CALL node change: now containing signness of each argument. 
llvm-svn: 28460
 2006-05-25 00:54:33 +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
2a4c04d35a 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).

llvm-svn: 28458
 2006-05-25 00:21:44 +00:00
Chris Lattner
bf13bb3b6c Abstract out the current optimization level into a flag that can be overridden 
on the make line, to avoid bugs in native compilers.

llvm-svn: 28457
 2006-05-24 23:02:40 +00:00
Chris Lattner
154047dc51 Remove flags implied by -O3 
llvm-svn: 28456
 2006-05-24 22:59:07 +00:00
Chris Lattner
2f00bfb4b5 Update testcase with recent cbe change 
llvm-svn: 28455
 2006-05-24 20:52:08 +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
9be2dba5a6 Don't use -fomit-frame-pointer on darwin, it breaks stacktrace collection. 
llvm-svn: 28451
 2006-05-24 18:34:08 +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
3bbd6b7656 Testcase for a new instcombine xform, patch contributed by Nick Lewycky! 
llvm-svn: 28449
 2006-05-24 17:34:02 +00:00
Chris Lattner
b3aa8ccfe0 Don't make zero-sized static arrays 
llvm-svn: 28448
 2006-05-24 17:31:02 +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
451da50e94 One of these xforms is only safe with unsafe math enabled. 
llvm-svn: 28446
 2006-05-24 00:49:32 +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
d657a1cc8e New testcase 
llvm-svn: 28444
 2006-05-24 00:12:50 +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
b609f27099 Make class comment visible in Doxygen. 
llvm-svn: 28436
 2006-05-23 15:32:15 +00:00
Vladimir Prus
125917432a Fix missing include 
llvm-svn: 28435
 2006-05-23 13:43:15 +00:00
Evan Cheng
9b5ce5e4e9 Added a test case for FP equality check. 
llvm-svn: 28434
 2006-05-23 06:41:23 +00:00