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402c11966a
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488 Commits

Author SHA1 Message Date
Dale Johannesen
402c11966a This was failing on Darwin, which defaults to PIC; 
no lea was generated.  I think this follows the intent.

llvm-svn: 43312
 2007-10-24 20:58:14 +00:00
Bill Wendling
a420d660c8 If there's an unaligned memcpy to/from the stack, don't lower it. Just call the 
memcpy library function instead.

llvm-svn: 43270
 2007-10-23 23:32:40 +00:00
Evan Cheng
0590c75f18 Temporary solution: added a different set of BCTRL_Macho / BCTRL_ELF with right callee-saved defs set for ppc64. 
llvm-svn: 43248
 2007-10-23 06:42:42 +00:00
Evan Cheng
252d9ddb4d Fix memcpy lowering when addresses are 4-byte aligned but size is not multiple of 4. 
llvm-svn: 43234
 2007-10-22 22:11:27 +00:00
Dan Gohman
df1f166e4a Strength reduction improvements. 
- Avoid attempting stride-reuse in the case that there are users that
   aren't addresses. In that case, there will be places where the
   multiplications won't be folded away, so it's better to try to
   strength-reduce them.

 - Several SSE intrinsics have operands that strength-reduction can
   treat as addresses. The previous item makes this more visible, as
   any non-address use of an IV can inhibit stride-reuse.

 - Make ValidStride aware of whether there's likely to be a base
   register in the address computation. This prevents it from thinking
   that things like stride 9 are valid on x86 when the base register is
   already occupied.

Also, XFAIL the 2007-08-10-LEA16Use32.ll test; the new logic to avoid
stride-reuse elimintes the LEA in the loop, so the test is no longer
testing what it was intended to test.

llvm-svn: 43231
 2007-10-22 20:40:42 +00:00
Dan Gohman
76e104c8ad Fix the folding of multiplication into addresses on x86, which was broken 
by the recent {U,S}MUL_LOHI changes.

llvm-svn: 43230
 2007-10-22 20:22:24 +00:00
Evan Cheng
85eb733eff Use ptr type in the immediate field of a BxA instruction so we don't end up selecting 32-bit call instruction for ppc64. 
llvm-svn: 43228
 2007-10-22 19:46:19 +00:00
Evan Cheng
2d53c3f15e New test case. 
llvm-svn: 43193
 2007-10-19 22:05:00 +00:00
Rafael Espindola
2b5b200b9f Test byval with a 8 bit aligned struct 
llvm-svn: 43173
 2007-10-19 11:29:21 +00:00
Rafael Espindola
d8d4372845 Add support for byval function whose argument is not 32 bit aligned. 
To do this it is necessary to add a "always inline" argument to the
memcpy node. For completeness I have also added this node to memmove
and memset.  I have also added getMem* functions, because the extra
argument makes it cumbersome to use getNode and because I get confused
by it :-)

llvm-svn: 43172
 2007-10-19 10:41:11 +00:00
Bill Wendling
32c9cd9e94 Pointer arithmetic should be done with the index the same size as the pointer. 
llvm-svn: 43120
 2007-10-18 08:32:37 +00:00
Evan Cheng
f6d1c7be14 Really fix PR1734. Carefully track which register uses are sub-register uses by 
traversing inverse register coalescing map.

llvm-svn: 43118
 2007-10-18 07:49:59 +00:00
Dan Gohman
2903f7fc26 Add support for ISD::SELECT in SplitVectorOp. 
llvm-svn: 43072
 2007-10-17 14:48:28 +00:00
Evan Cheng
524c0e6c3d Yet another test case for extract_subreg coalescing crash. 
llvm-svn: 43063
 2007-10-17 02:15:06 +00:00
Evan Cheng
09fa6ed483 Fix PR1734. 
llvm-svn: 43035
 2007-10-16 19:29:47 +00:00
Dale Johannesen
dd254c4efa New test for svn rev 43033, radar 5538745. 
llvm-svn: 43034
 2007-10-16 18:10:14 +00:00
Chris Lattner
45d9c7aa07 Fix a bug handling frame references in ppc inline asm when the frame offset 
doesn't fit into 16 bits.

llvm-svn: 43032
 2007-10-16 18:00:18 +00:00
Evan Cheng
f5bcd3d737 LowerFP_TO_SINT must not create a stack object if it's not needed. 
llvm-svn: 43004
 2007-10-15 20:11:21 +00:00
Dan Gohman
2dc6099def Reapply the fix in 42908 for this file. This changes the function names 
from "test" to "foo" so that they don't match the grep -i ST.

llvm-svn: 43001
 2007-10-15 19:22:17 +00:00
Evan Cheng
43887d3714 Fix PR1729: watch out for val# with no def. 
llvm-svn: 42996
 2007-10-15 18:33:50 +00:00
Tanya Lattner
3a64752342 Fix run line. 
llvm-svn: 42990
 2007-10-15 16:35:13 +00:00
Evan Cheng
850c8739dc New test case. 
llvm-svn: 42963
 2007-10-14 10:15:03 +00:00
Evan Cheng
33df6a6bed Revert 42908 for now. 
llvm-svn: 42960
 2007-10-14 05:57:21 +00:00
Chris Lattner
a7666b08ad new testcase 
llvm-svn: 42953
 2007-10-13 06:56:18 +00:00
Evan Cheng
f5ed18f7d3 Fix test case. 
llvm-svn: 42949
 2007-10-13 03:14:06 +00:00
Evan Cheng
6101e4ffdf New tests. 
llvm-svn: 42948
 2007-10-13 03:10:54 +00:00
Dan Gohman
c96f2809ca Fix this test to not depend on the assembly output containing something 
that includes the string "st". This probably fixes the regression on
Darwin.

llvm-svn: 42932
 2007-10-12 20:42:14 +00:00
Dan Gohman
a75e4a62e6 Change the names used for internal labels to use the current 
function symbol name instead of a codegen-assigned function
number.

Thanks Evan! :-)

llvm-svn: 42908
 2007-10-12 14:53:36 +00:00
Evan Cheng
51791564b0 Doh. 
llvm-svn: 42901
 2007-10-12 09:10:27 +00:00
Evan Cheng
947b4a6c3d EXTRACT_SUBREG test case. 
llvm-svn: 42900
 2007-10-12 09:03:31 +00:00
Arnold Schwaighofer
f1e49dd41d Added missing -march=x86 flag. 
llvm-svn: 42893
 2007-10-12 07:49:48 +00:00
Dan Gohman
ab5c3ed0d1 Add intrinsics for sin, cos, and pow. These use llvm_anyfloat_ty, and so 
may be overloaded with vector types. And add a testcase for codegen for
these.

llvm-svn: 42885
 2007-10-12 00:01:22 +00:00
Dan Gohman
9a70be46f1 Add an explicit target triple to make this test behave as expected on 
non-Apple hosts. And use the count script instead of wc + grep.

llvm-svn: 42878
 2007-10-11 23:04:36 +00:00
Arnold Schwaighofer
d47210011e Added tail call optimization to the x86 back end. It can be 
enabled by passing -tailcallopt to llc.  The optimization is
performed if the following conditions are satisfied:
* caller/callee are fastcc
* elf/pic is disabled OR
  elf/pic enabled + callee is in module + callee has
  visibility protected or hidden

llvm-svn: 42870
 2007-10-11 19:40:01 +00:00
Dan Gohman
708e76e663 These two tests now require only two multiply instructions, 
instead of four.

llvm-svn: 42784
 2007-10-09 15:39:37 +00:00
Evan Cheng
25b65542d9 Update test. 
llvm-svn: 42775
 2007-10-08 22:20:32 +00:00
Dan Gohman
9da3bddf43 These two tests now require only three multiply instructions, 
instead of four.

llvm-svn: 42765
 2007-10-08 20:48:12 +00:00
Dale Johannesen
b600202c68 Make test work on non-x86 hosts. 
llvm-svn: 42671
 2007-10-06 01:22:39 +00:00
Evan Cheng
0a642eaa62 Test case for 3-address conversion. 
llvm-svn: 42664
 2007-10-05 23:33:09 +00:00
Evan Cheng
dc467c6323 Enable convertToThreeAddress for X86 by default. 
llvm-svn: 42655
 2007-10-05 22:31:10 +00:00
Dale Johannesen
c7b51b678d First round of ppc long double. call/return and 
basic arithmetic works.
Rename RTLIB long double functions to distinguish
different flavors of long double; the lib functions
have different names, alas.

llvm-svn: 42644
 2007-10-05 20:04:43 +00:00
Evan Cheng
6fd2606ff5 New test case. 
llvm-svn: 42628
 2007-10-05 01:44:22 +00:00
Evan Cheng
1d3c836933 -pre-RA-sched=none, simple, simple-noitin are gone. 
llvm-svn: 42505
 2007-10-01 22:17:20 +00:00
Dan Gohman
02f80006f8 Teach SplitVectorOp how to split INSERT_VECTOR_ELT. 
llvm-svn: 42457
 2007-09-28 23:53:40 +00:00
Rafael Espindola
01b306e575 Refactor the memcpy lowering for the x86 target. 
The only generated code difference is that now we call memcpy when
the size of the array is unknown. This matches GCC behavior and is
better since the run time value can be arbitrarily large.

llvm-svn: 42433
 2007-09-28 12:53:01 +00:00
Dale Johannesen
e61886cee4 Add sqrt and powi intrinsics for long double. 
llvm-svn: 42423
 2007-09-28 01:08:20 +00:00
Dale Johannesen
57b6470e8b Modernize fabs.ll, add long double. Add tests 
for direct codegen of fsin/fcos.

llvm-svn: 42369
 2007-09-26 21:12:10 +00:00
Dan Gohman
1bb346f9f1 When both x/y and x%y are needed (x and y both scalar integer), compute 
both results with a single div or idiv instruction. This uses new X86ISD
nodes for DIV and IDIV which are introduced during the legalize phase
so that the SelectionDAG's CSE can automatically eliminate redundant
computations.

llvm-svn: 42308
 2007-09-25 18:23:27 +00:00
Dale Johannesen
fe773726a9 Some tests for APFloat conversions. 
llvm-svn: 42303
 2007-09-25 17:50:55 +00:00
Evan Cheng
dab211c87b Forgot to check in the changes. Fix test case so it doesn't break with any scheduling changes. 
llvm-svn: 42302
 2007-09-25 17:47:38 +00:00