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5006 Commits

Author SHA1 Message Date
Dan Gohman
f9f25bd41b Add a test to ensure that all-ones vectors are materialized with pcmpeqd. 
llvm-svn: 48247
 2008-03-11 21:37:00 +00:00
Dan Gohman
1fece90de9 Use the correct value for InSignBit. 
llvm-svn: 48245
 2008-03-11 21:29:43 +00:00
Chris Lattner
fd2c24af72 Implement basic support for the 'f' register class constraint. This basically 
works, but probably won't if you mix it with 't' or 'u' yet.

llvm-svn: 48243
 2008-03-11 19:50:13 +00:00
Dale Johannesen
c03216ac3e The feature this is testing did not work in the general case, 
and has been removed.

llvm-svn: 48232
 2008-03-11 17:48:26 +00:00
Evan Cheng
6a30fc4e94 Learn how to xfail a test. 
llvm-svn: 48219
 2008-03-11 07:51:31 +00:00
Evan Cheng
af1c76846d When the register allocator runs out of registers, spill a physical register around the def's and use's of the interval being allocated to make it possible for the interval to target a register and spill it right away and restore a register for uses. This likely generates terrible code but is before than aborting. 
llvm-svn: 48218
 2008-03-11 07:19:34 +00:00
Evan Cheng
9ae65a13c3 XFAIL due to Dale's change. 
llvm-svn: 48216
 2008-03-11 07:15:44 +00:00
Devang Patel
6c189c16b5 Initial multiple return values support. 
llvm-svn: 48210
 2008-03-11 05:46:42 +00:00
Dan Gohman
2674ad5bed Upgrade this test. 
llvm-svn: 48207
 2008-03-11 02:19:59 +00:00
Dan Gohman
85bfbe2293 Generalize ExpandIntToFP to handle the case where the operand is legal 
and it's the result that requires expansion. This code is a little confusing
because the TargetLoweringInfo tables for [US]INT_TO_FP use the operand type
(the integer type) rather than the result type. 

llvm-svn: 48206
 2008-03-11 01:59:03 +00:00
Scott Michel
599ff689d0 - Style cleanup in IA64ISelLowering.h: add 'virtual' keyword for consistency. 
- Add test pattern matching in CellSPU's icmp32.ll test harness
- Fix CellSPU fcmp.ll-generated assert.

llvm-svn: 48197
 2008-03-10 23:49:09 +00:00
Chris Lattner
f0684bfd16 Don't emit FP_REG_KILL into a block that just returns. Nothing 
can be live out of the block anyway, so it isn't needed.

llvm-svn: 48192
 2008-03-10 23:34:12 +00:00
Dan Gohman
67aed9bbb0 Implement more support for fp-to-i128 and i128-to-fp conversions. 
llvm-svn: 48189
 2008-03-10 23:03:31 +00:00
Bill Wendling
8e3a4a45ce Update llc flags for PPC register scavenger. 
llvm-svn: 48187
 2008-03-10 22:59:08 +00:00
Anton Korobeynikov
e727d75dfa This passes now 
llvm-svn: 48178
 2008-03-10 22:34:11 +00:00
Dan Gohman
47137eba06 Fix mul expansion to check the correct number of bits for 
zero extension when checking if an unsigned multiply is
safe.

llvm-svn: 48171
 2008-03-10 20:42:19 +00:00
Dale Johannesen
6713367062 The __sync primitives only work on x86 and alpha; 
xfail this test elsewhere.

llvm-svn: 48164
 2008-03-10 18:38:31 +00:00
Devang Patel
659c71126e Simplify 
llvm-svn: 48163
 2008-03-10 18:38:30 +00:00
Dale Johannesen
6123256f55 Add -m32 to compilation line; test is only valid in 
32-bit environment.  PR 2136.

llvm-svn: 48159
 2008-03-10 17:56:53 +00:00
Dale Johannesen
62a0b6a79b These tests don't work unless SSE2 is active. 
Judging from the checking comments this is intentional,
so add the flag (makes them pass on non-x86 host).

llvm-svn: 48157
 2008-03-10 17:33:57 +00:00
Dale Johannesen
c9ecee85c4 There is no "-mattr=+sse1" flag; fix test for non-x86 hosts. 
llvm-svn: 48156
 2008-03-10 17:13:37 +00:00
Scott Michel
38f8a1043a Integer comparison tests for CellSPU. 
llvm-svn: 48152
 2008-03-10 16:58:52 +00:00
Evan Cheng
02b66c3a32 - Fix a subtle bug in RemoveCopyByCommutingDef. ALR is the live range where the source is defined; BLR is the live range which is defined by the copy. 
If ALR and BLR overlaps and end of BLR extends beyond end of ALR, e.g.                                                                                                 
 A = or A, B                                                                                                                                                            
 ...                                                                                                                                                                    
 B = A                                                                                                                                                                  
 ...                                                                                                                                                                    
 C = A<kill>                                                                                                                                                            
 ...                                                                                                                                                                    
   = B                                                                                                                                                                  
                                                                                                                                                                        
then do not add kills of A to the newly created B interval.
- Also fix some kill info update bug.

llvm-svn: 48141
 2008-03-10 08:11:32 +00:00
Tanya Lattner
8ac346c316 Remove llvm-upgrade and update tests. 
llvm-svn: 48137
 2008-03-10 07:21:50 +00:00
Evan Cheng
3c0ddc999f Avoid creating BUILD_VECTOR of all zero elements of "non-normalized" type (e.g. v8i16 on x86) after legalizer. Instruction selection does not expect to see them. In all likelihood this can only be an issue in a bugpoint reduced test case. 
llvm-svn: 48136
 2008-03-10 07:19:13 +00:00
Chris Lattner
95a37b6592 remove an execution test. 
llvm-svn: 48135
 2008-03-10 06:53:14 +00:00
Chris Lattner
689667aced switch from hard coded g++/as tools to the ones detected from 
the build system.  Patch by Joachim Durchholz  for PR2121

llvm-svn: 48134
 2008-03-10 06:52:10 +00:00
Chris Lattner
ee2fc96a32 Fix a typo 
llvm-svn: 48133
 2008-03-10 06:49:40 +00:00
Chris Lattner
1f7a88ce5f Fix PR2120 by changing the replacement order to change compile_cxx 
before compile_c.  Patch by Joachim Durchholz!

llvm-svn: 48132
 2008-03-10 06:45:35 +00:00
Nick Lewycky
5dd879d5b5 Turn unwind_to into "unwinds to". 
llvm-svn: 48123
 2008-03-10 02:20:00 +00:00
Anton Korobeynikov
72e4cbe457 This works on x86_64 
llvm-svn: 48121
 2008-03-09 22:24:03 +00:00
Evan Cheng
53424806b1 Fix RUN line. 
llvm-svn: 48116
 2008-03-09 19:55:22 +00:00
Anton Korobeynikov
aab81a09ef Temporary XFAIL the test, until I'll commit a fix 
llvm-svn: 48110
 2008-03-09 16:24:04 +00:00
Chris Lattner
b6bfedbcfd teach X86InstrInfo::copyRegToReg how to copy into ST(0) from 
an RFP register class.

Teach ScheduleDAG how to handle CopyToReg with different src/dst 
reg classes.

This allows us to compile trivial inline asms that expect stuff
on the top of x87-fp stack.

llvm-svn: 48107
 2008-03-09 09:15:31 +00:00
Chris Lattner
8d0203478f Add ScheduleDAG support for copytoreg where the src/dst register are 
in different register classes, e.g. copy of ST(0) to RFP*.  This gets
some really trivial inline asm working that plops things on the top of
stack (PR879)

llvm-svn: 48105
 2008-03-09 08:49:15 +00:00
Tanya Lattner
9aa573954c Remove llvm-upgrade and update tests. 
llvm-svn: 48103
 2008-03-09 08:16:40 +00:00
Nick Lewycky
4732d3c9b7 Firstly, having a BranchInst isn't exclusive with having an unwind_to. 
Secondly, we have to check whether the branch is actually pointing to the block
with the unwind in it. We could have gotten here because of the unwind_to alone.

llvm-svn: 48099
 2008-03-09 07:50:37 +00:00
Nick Lewycky
e93a1819dc A BB that unwind_to an "unwind" inst is that same as one that doesn't unwind_to 
at all.

llvm-svn: 48096
 2008-03-09 07:36:38 +00:00
Chris Lattner
b9a4c86fbf reduce this testcase more 
llvm-svn: 48092
 2008-03-09 06:57:21 +00:00
Chris Lattner
b628208161 Finish implementing a readme entry: when inserting an i64 variable 
into a vector of zeros or undef, and when the top part is obviously
zero, we can just use movd + shuffle.  This allows us to compile
vec_set-B.ll into:

_test3:
	movl	$1234567, %eax
	andl	4(%esp), %eax
	movd	%eax, %xmm0
	ret

instead of:

_test3:
	subl	$28, %esp
	movl	$1234567, %eax
	andl	32(%esp), %eax
	movl	%eax, (%esp)
	movl	$0, 4(%esp)
	movq	(%esp), %xmm0
	addl	$28, %esp
	ret

llvm-svn: 48090
 2008-03-09 05:42:06 +00:00
Nick Lewycky
d98272094e Update the inliner and simplifycfg to handle unwind_to. 
llvm-svn: 48086
 2008-03-09 05:10:13 +00:00
Nick Lewycky
980738baf2 Prune the unwind_to labels on BBs that don't need them. Another step in the 
removal of invoke, PR1269.

llvm-svn: 48084
 2008-03-09 04:55:16 +00:00
Chris Lattner
17f68a3075 Implement a readme entry, compiling 
#include <xmmintrin.h>
__m128i doload64(short x) {return _mm_set_epi16(0,0,0,0,0,0,0,1);}

into:
	movl	$1, %eax
	movd	%eax, %xmm0
	ret

instead of a constant pool load.

llvm-svn: 48063
 2008-03-09 01:05:04 +00:00
Chris Lattner
1b16dc4a6e upgrade this test 
llvm-svn: 48062
 2008-03-09 00:32:10 +00:00
Chris Lattner
24031c9426 make this test harder 
llvm-svn: 48061
 2008-03-09 00:30:06 +00:00
Chris Lattner
7173d3bd70 Teach SD some vector identities, allowing us to compile vec_set-9 into: 
_test3:
	movd	%rdi, %xmm1
	#IMPLICIT_DEF %xmm0
	punpcklqdq	%xmm1, %xmm0
	ret

instead of:

_test3:
	#IMPLICIT_DEF %rax
	movd	%rax, %xmm0
	movd	%rdi, %xmm1
	punpcklqdq	%xmm1, %xmm0
	ret

This is still not ideal.  There is no reason to two xmm regs.

llvm-svn: 48058
 2008-03-08 23:43:36 +00:00
Andrew Lenharth
5cc35bff2f much simpler test case 
llvm-svn: 48045
 2008-03-08 02:05:22 +00:00
Evan Cheng
dba1dfe962 Implement x86 support for @llvm.prefetch. It corresponds to prefetcht{0|1|2} and prefetchnta instructions. 
llvm-svn: 48042
 2008-03-08 00:58:38 +00:00
Dan Gohman
afeac8050d Add support for calls with i128 return values on ppc64. 
llvm-svn: 48041
 2008-03-08 00:19:12 +00:00
Andrew Lenharth
d8531cff4f add dropped section test case for PR2123 
llvm-svn: 48033
 2008-03-07 21:19:43 +00:00
Dan Gohman
5bf464e1e6 Add support for lowering 128-bit shifts on ppc64. 
llvm-svn: 48029
 2008-03-07 20:36:53 +00:00
Evan Cheng
5f74d1a8dc Fixed a register scavenger bug. If a def is re-defining part of a super register, there must be an implicit def of the super-register on the MI. 
llvm-svn: 48024
 2008-03-07 20:12:54 +00:00
Devang Patel
9543238662 Update inliner to handle functions that return multiple values. 
llvm-svn: 48020
 2008-03-07 20:06:16 +00:00
Devang Patel
a6ec13ef6b Place for sret promotion tests. 
llvm-svn: 48016
 2008-03-07 20:00:15 +00:00
Chris Lattner
aa81dc7d21 mark frem as expand for all legal fp types on x86, regardless of whether 
we're using SSE or not.  This fixes PR2122.

llvm-svn: 48006
 2008-03-07 06:36:32 +00:00
Bill Wendling
f0615bf090 Add testcase. 
llvm-svn: 48005
 2008-03-06 23:34:22 +00:00
Gabor Greif
92e00c1e50 some more spelling changes 
llvm-svn: 47996
 2008-03-06 10:51:21 +00:00
Evan Cheng
9c77211639 Constant fold SIGN_EXTEND_INREG with ashr not lshr. 
llvm-svn: 47992
 2008-03-06 08:20:51 +00:00
Nick Lewycky
635d27b1d5 Exercise the new CFG change. 
llvm-svn: 47990
 2008-03-06 06:55:58 +00:00
Nick Lewycky
c6edcb8904 Commit the testcase too. 
llvm-svn: 47988
 2008-03-06 06:50:03 +00:00
Nick Lewycky
f249c5d5ad Don't try to simplify urem and srem using arithmetic rules that don't work 
under modulo (overflow). Fixes PR1933.

llvm-svn: 47987
 2008-03-06 06:48:30 +00:00
Scott Michel
8dd2324903 Refine Cell's i64 constant generation code to cover more constants where the 
upper and lower 32-bits are the same (in addition to 0 and -1 previously.)

llvm-svn: 47985
 2008-03-06 04:02:54 +00:00
Scott Michel
3c19a3950c - Expand tabs to spaces. 
- select_bits.ll now fully functional now that PR1993 is closed. It was
  previously broken by refactoring in SPUInstrInfo.td and using multiclasses.
- Same for eqv.ll

llvm-svn: 47972
 2008-03-05 23:00:19 +00:00
Evan Cheng
8f5092bea8 Fix a coalescer bug wrt how dead copy interval is shortened. 
llvm-svn: 47966
 2008-03-05 22:09:42 +00:00
Andrew Lenharth
52436854a2 test for something more interesting than not crashing 
llvm-svn: 47962
 2008-03-05 20:24:26 +00:00
Andrew Lenharth
7ac03edf8d sync ops on ptrs, was breaking libgomp 
llvm-svn: 47960
 2008-03-05 19:48:27 +00:00
Anton Korobeynikov
8302c973b4 Fix test not to emit junk into source directory 
llvm-svn: 47947
 2008-03-05 15:44:25 +00:00
Anton Korobeynikov
d78f82b480 Testcase for PR2054 
llvm-svn: 47946
 2008-03-05 15:43:58 +00:00
Chris Lattner
a9fcb187af Generalize FP constant shrinking optimization to apply to any vt 
except ppc long double.  This allows us to shrink constant pool
entries for x86 long double constants, which in turn allows us to
use flds/fldl instead of fldt.

llvm-svn: 47938
 2008-03-05 06:48:13 +00:00
Evan Cheng
e0b3c221ab Add a target lowering hook to control whether it's worthwhile to compress fp constant. 
For x86, if sse2 is available, it's not a good idea since cvtss2sd is slower than a movsd load and it prevents load folding. On x87, it's important to shrink fp constant since fldt is very expensive.

llvm-svn: 47931
 2008-03-05 01:30:59 +00:00
Bill Wendling
cf70f2c2a0 Use -enable-ppc-regscavenger flag for these checks 
llvm-svn: 47916
 2008-03-04 23:16:26 +00:00
Devang Patel
84e9abbb60 Use cast instead of dyn_cast. 
Update test to use multiple return value directly, instead of relying on -sretpromotion.

llvm-svn: 47907
 2008-03-04 21:45:28 +00:00
Devang Patel
a14b91d6a3 Handle multiple return values. 
llvm-svn: 47904
 2008-03-04 21:15:15 +00:00
Evan Cheng
14f556a6d7 Really fix the test. 
llvm-svn: 47882
 2008-03-04 08:01:56 +00:00
Evan Cheng
7a67175fcc Fix broken test. 
llvm-svn: 47881
 2008-03-04 07:59:13 +00:00
Evan Cheng
3123d6ced3 Add PR1501 test case. 
llvm-svn: 47874
 2008-03-04 00:47:45 +00:00
Bill Wendling
8d64999daf This is the initial check-in for adding register scavenging to PPC. (Currently, 
PPC-64 doesn't work.) This also lowers the spilling of the CR registers so that
it uses a register other than the default R0 register (the scavenger scrounges
for one). A significant part of this patch fixes how kill information is
handled.

llvm-svn: 47863
 2008-03-03 22:19:16 +00:00
Chris Lattner
52004c47cb new testcase 
llvm-svn: 47858
 2008-03-03 21:59:00 +00:00
Chris Lattner
299977b5ca Evan implemented these. 
llvm-svn: 47828
 2008-03-02 18:05:14 +00:00
Chris Lattner
4c67781884 Evan implemented this. 
llvm-svn: 47827
 2008-03-02 17:56:29 +00:00
Chris Lattner
7f3c8ea9bf add a testcase for misc vector stuff 
llvm-svn: 47826
 2008-03-02 08:57:59 +00:00
Nick Lewycky
07b03b3119 Oops, can't unwind to the entry block (entry block may have no preds). 
llvm-svn: 47808
 2008-03-02 03:34:55 +00:00
Nick Lewycky
b02fe64d8b Add an unwind_to field to basic blocks, making them Users instead of Values. 
This is the first checkin for PR1269, the new EH infrastructure.

llvm-svn: 47802
 2008-03-02 02:48:09 +00:00
Tanya Lattner
c072619922 Remove llvm-upgrade and update test cases. 
llvm-svn: 47793
 2008-03-01 09:15:35 +00:00
Chris Lattner
64e101b2d9 Fix PR2113 by verifying allocations. 
llvm-svn: 47792
 2008-03-01 09:01:57 +00:00
Chris Lattner
2611fe98b7 Fix this test. 
llvm-svn: 47791
 2008-03-01 09:00:21 +00:00
Tanya Lattner
726c082fd5 Remove llvm-upgrade and update tests. 
llvm-svn: 47784
 2008-03-01 07:38:40 +00:00
Bill Wendling
246237f14f DCE'ed this testcase. 
llvm-svn: 47760
 2008-02-29 19:28:11 +00:00
Bill Wendling
d0f85a5ca3 If we reload a virtual register that's already been assigned, we want to mark 
that instruction as its "last use". This fixes PR1925.

llvm-svn: 47758
 2008-02-29 18:52:01 +00:00
Chris Lattner
75f5d14574 fix a bug Anders ran into where scalarrepl would crash when promoting 
a union containing a vector and an array whose elements were smaller than
the vector elements.  this means we need to compile the load of the 
array elements into an extract element plus a truncate.

llvm-svn: 47752
 2008-02-29 07:12:06 +00:00
Chris Lattner
5aeccb7353 Folding or(fcmp,fcmp) only works if the operands of the fcmps are the same fp type. 
llvm-svn: 47750
 2008-02-29 06:09:11 +00:00
Lauro Ramos Venancio
15e03a8950 Update testcase. 
llvm-svn: 47735
 2008-02-28 23:13:15 +00:00
Gabor Greif
fd0fb616f8 Fix http://llvm.org/bugs/show_bug.cgi?id=2104 by ordering lexicographically what gets printed. Be const-correct in PrintResults and uninline it too 
llvm-svn: 47712
 2008-02-28 08:38:45 +00:00
Evan Cheng
e1d3e0958b Set to default: x86 no longer fold and into test if it has more than one use. 
llvm-svn: 47711
 2008-02-28 07:46:38 +00:00
Dale Johannesen
7b8dae547d New test for misaligned Altivec laod/store. 
llvm-svn: 47698
 2008-02-27 23:14:50 +00:00
Dan Gohman
5d96a06b0b Don't hard-code the mask size to be 32, which is incorrect on ppc64 
and was causing aborts with the new APInt changes. This may also be
fixing an obscure ppc64 bug.

llvm-svn: 47692
 2008-02-27 21:12:32 +00:00
Evan Cheng
da92e34fe3 Fix a bug in dead spill slot elimination. 
llvm-svn: 47687
 2008-02-27 19:57:11 +00:00
Chris Lattner
e51c23341d actually run llc, thanks Dan :) 
llvm-svn: 47677
 2008-02-27 17:46:54 +00:00
Evan Cheng
295ae42ede Don't track max alignment during stack object allocations since they can be deleted later. Let PEI compute it. 
llvm-svn: 47668
 2008-02-27 10:04:56 +00:00
Chris Lattner
1f46cc2345 Make X86TargetLowering::LowerSINT_TO_FP return without creating a dead 
stack slot and store if the  SINT_TO_FP is actually legal.  This allows
us to compile:

double a(double b) {return (unsigned)b;}

to:

_a:
	cvttsd2siq	%xmm0, %rax
	movl	%eax, %eax
	cvtsi2sdq	%rax, %xmm0
	ret

instead of:

_a:
	subq	$8, %rsp
	cvttsd2siq	%xmm0, %rax
	movl	%eax, %eax
	cvtsi2sdq	%rax, %xmm0
	addq	$8, %rsp
	ret

crazy.

llvm-svn: 47660
 2008-02-27 05:57:41 +00:00