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Commit Graph

37517 Commits

Author SHA1 Message Date
Dale Johannesen
6bcc9808db Next bit of PPC ByVal handling; call-site code seems
correct now.

llvm-svn: 47978
2008-03-05 23:31:27 +00:00
Anton Korobeynikov
b66feb845f Missed patch from my last commit
llvm-svn: 47977
2008-03-05 23:21:39 +00:00
Anton Korobeynikov
d4e00c2d59 Resolve aliases to aliasees, where possible
llvm-svn: 47975
2008-03-05 23:08:47 +00:00
Anton Korobeynikov
76b5b2d294 Handle functions as targets during linking of aliases as well
llvm-svn: 47974
2008-03-05 23:08:16 +00:00
Scott Michel
c29399e54e - Fix support for "special" i64 immediates that can be loaded
using IL, ILA, et. al. v2i64 and i64 are now supported by
  the select bits (SELB) instruction.

- Add missing comparison operations (testcase forthcoming)

- More multiclass refactoring.

llvm-svn: 47973
2008-03-05 23:02:02 +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
Steve Naroff
a93ec57f15 Update vcproj file.
llvm-svn: 47969
2008-03-05 22:30:39 +00:00
Anton Korobeynikov
f2f352ec48 Try hard to link aliases. Checks can be too strict by now.
llvm-svn: 47968
2008-03-05 22:22:46 +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
Devang Patel
e2c01a6c92 Handle 'ret' with multiple values.
llvm-svn: 47965
2008-03-05 21:50:24 +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
Daniel Berlin
2a8fd44b9d Add Hybrid Cycle Detection to Andersen's analysis.
Patch by Curtis Dunham.

llvm-svn: 47959
2008-03-05 19:31:47 +00:00
Dale Johannesen
8322b6fb70 Clarify that CALLSEQ_START..END may not be nested,
and add some protection against creating such.

llvm-svn: 47957
2008-03-05 19:14:03 +00:00
Scott Michel
15cc6fabaf This patch fixes a problem encountered by the CellSPU backend where variants
were being pruned in patterns where a variable was used more than once, e.g.:

  (or (and R32C:$rA, R32C:$rC), (and R32C:$rB, (not R32C:$rC)))

In this example, $rC is used more than once and is actually significant to
instruction selection pattern matching when commuted variants are produced.
This patch scans the pattern's clauses and collects the variables, creating
a set of variables that are used more than once. TreePatternNode::isIsomorphicTo()
also understands that multiply-used variables are significant.

llvm-svn: 47950
2008-03-05 17:49:05 +00:00
Chris Lattner
83e0b885f8 evan implemented this.
llvm-svn: 47948
2008-03-05 17:11:51 +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
Anton Korobeynikov
79f6795ebb Remember the source->dest mapping when copying aliases. This fixes PR2054
llvm-svn: 47945
2008-03-05 15:27:21 +00:00
Anton Korobeynikov
0d90b4596b Clarify the state-of-the-art
llvm-svn: 47944
2008-03-05 15:11:00 +00:00
Bill Wendling
dfa3472e4e Use AC_PATH_PROG correctly:
http://www.gnu.org/software/autoconf/manual/autoconf.html#Generic-Programs

llvm-svn: 47943
2008-03-05 09:28:02 +00:00
Evan Cheng
a36562006a isTwoAddress = 1 -> Constraints.
llvm-svn: 47941
2008-03-05 08:19:16 +00:00
Evan Cheng
6c2bb7c67e PSLLWri etc. are two-address instructions.
llvm-svn: 47940
2008-03-05 08:11:27 +00:00
Chris Lattner
7571a88209 add a note
llvm-svn: 47939
2008-03-05 07:22:39 +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
Chris Lattner
8e6367195e Improve comment, pass in the original VT so that we can shrink a long double constant
all the way to float, not stopping at double.

llvm-svn: 47937
2008-03-05 06:46:58 +00:00
Evan Cheng
d421708e35 Ignore debugging related instructions if they get this far.
llvm-svn: 47934
2008-03-05 02:34:36 +00:00
Evan Cheng
a2939a16de Rather than asserting. Dump out the MI that we are not able to encode and abort.
llvm-svn: 47933
2008-03-05 02:08:03 +00:00
Dan Gohman
4ebf6b3b53 Codegen support for i128 UINT_TO_FP. This just fixes a
bug in r47928 (Int64Ty is the correct type for the constant
pool entry here) and removes the asserts, now that the code
is capable of handling i128.

llvm-svn: 47932
2008-03-05 02:07:31 +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
Andrew Lenharth
95c88272c6 64bit CAS on 32bit x86.
llvm-svn: 47929
2008-03-05 01:15:49 +00:00
Dan Gohman
b987fe16e4 Codegen support for i128 SINT_TO_FP.
llvm-svn: 47928
2008-03-05 01:08:17 +00:00
Evan Cheng
18064ddb5b Refactor code. Remove duplicated functions that basically do the same thing as
findRegisterUseOperandIdx, findRegisterDefOperandIndx. Fix some naming inconsistencies.

llvm-svn: 47927
2008-03-05 00:59:57 +00:00
Devang Patel
4ca594a2d7 Skip functions that return multiple values.
llvm-svn: 47924
2008-03-05 00:36:59 +00:00
Devang Patel
a97b000dcc Check struct return type first.
llvm-svn: 47922
2008-03-05 00:27:05 +00:00
Bill Wendling
37f5b4586a Removed spurious EnablePPCRS check.
llvm-svn: 47918
2008-03-04 23:27:33 +00:00
Dale Johannesen
86867d323e Move PPC lowering functions into PPCTargetLowering
class (cosmetic).  First piece of byval implementation;
this doesn't work yet.  No functional change.

llvm-svn: 47917
2008-03-04 23:17:14 +00:00
Bill Wendling
cf70f2c2a0 Use -enable-ppc-regscavenger flag for these checks
llvm-svn: 47916
2008-03-04 23:16:26 +00:00
Bill Wendling
dc9de245cb Use a command-line option to turn register scavenging on/off for PPC.
llvm-svn: 47915
2008-03-04 23:13:51 +00:00
Devang Patel
a33f4b4cc7 Print types for all ret operands.
llvm-svn: 47911
2008-03-04 22:05:14 +00:00
Devang Patel
844c248410 Use while loop.
llvm-svn: 47909
2008-03-04 21:59:49 +00:00
Devang Patel
26d0fac377 Revert SmallVector ctor variants.
llvm-svn: 47908
2008-03-04 21:54:56 +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
219be17d65 Filter nested structs
llvm-svn: 47906
2008-03-04 21:32:09 +00:00
Devang Patel
a14b91d6a3 Handle multiple return values.
llvm-svn: 47904
2008-03-04 21:15:15 +00:00
Andrew Lenharth
f5674915c5 x86-64 atomics
llvm-svn: 47903
2008-03-04 21:13:33 +00:00
Anton Korobeynikov
f9d4370f22 Properly populate lists of defined/undefined symbols in presence of aliases
llvm-svn: 47900
2008-03-04 20:16:11 +00:00
Anton Korobeynikov
86514cffba Add alias with non-external aliasee to the list of exported symbols of the library.
llvm-svn: 47899
2008-03-04 20:15:35 +00:00
Devang Patel
1e76b493c7 Use appropriate index to get the result value.
llvm-svn: 47897
2008-03-04 19:22:54 +00:00
Devang Patel
9eb2e291fb Skip sret attribute while preparing attribute list for
new function and new call sites.

llvm-svn: 47896
2008-03-04 19:12:58 +00:00