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22161 Commits

Author SHA1 Message Date
Bill Wendling
ed1fcd8987 When setting the "unused" info, take into account something like this: 
%r3<def> = OR %x3<kill>, %x3

We don't want to mark the %r3 as unused even though it's a sub-register of %x3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48003 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 23:22:43 +00:00
Evan Cheng
eb49c4e008 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47998 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 17:42:34 +00:00
Gabor Greif
2cf36e0772 some more spelling changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47996 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 10:51:21 +00:00
Gabor Greif
29d8aa7877 fix typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47994 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 10:36:00 +00:00
Evan Cheng
433f6f62ca Constant fold SIGN_EXTEND_INREG with ashr not lshr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47992 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 08:20:51 +00:00
Nick Lewycky
c1a2a61201 Don't try to simplify urem and srem using arithmetic rules that don't work 
under modulo (overflow). Fixes PR1933.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47987 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 06:48:30 +00:00
Scott Michel
4cb8bd8eff 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.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 04:02:54 +00:00
Andrew Lenharth
6ad150baac gcc likes things spelled correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47981 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:41:37 +00:00
Devang Patel
e0a6a3f22d Skip, for now, callsites where use of sret argument is not dominated by callsite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47980 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:39:23 +00:00
Dale Johannesen
1f797a32fd Next bit of PPC ByVal handling; call-site code seems 
correct now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47978 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:31:27 +00:00
Anton Korobeynikov
9f2ee70366 Missed patch from my last commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47977 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:21:39 +00:00
Anton Korobeynikov
3db9191baf Resolve aliases to aliasees, where possible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47975 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:08:47 +00:00
Anton Korobeynikov
b5a4bd86df Handle functions as targets during linking of aliases as well 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47974 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:08:16 +00:00
Scott Michel
ad2715e0d7 - 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47973 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 23:02:02 +00:00
Anton Korobeynikov
58887bc593 Try hard to link aliases. Checks can be too strict by now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47968 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 22:22:46 +00:00
Evan Cheng
ecb2a8b9bc Fix a coalescer bug wrt how dead copy interval is shortened. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47966 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 22:09:42 +00:00
Devang Patel
c5eb380b60 Handle 'ret' with multiple values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47965 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 21:50:24 +00:00
Daniel Berlin
c864edb597 Add Hybrid Cycle Detection to Andersen's analysis. 
Patch by Curtis Dunham.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47959 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 19:31:47 +00:00
Dale Johannesen
0ea0356dff Clarify that CALLSEQ_START..END may not be nested, 
and add some protection against creating such.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47957 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 19:14:03 +00:00
Chris Lattner
4d93b2f16d evan implemented this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47948 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 17:11:51 +00:00
Anton Korobeynikov
4fb2873bb4 Remember the source->dest mapping when copying aliases. This fixes PR2054 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47945 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 15:27:21 +00:00
Anton Korobeynikov
1c01a72d4d Clarify the state-of-the-art 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47944 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 15:11:00 +00:00
Evan Cheng
e9083d669a isTwoAddress = 1 -> Constraints. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47941 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 08:19:16 +00:00
Evan Cheng
e7b8a8b713 PSLLWri etc. are two-address instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47940 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 08:11:27 +00:00
Chris Lattner
063d825208 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47939 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 07:22:39 +00:00
Chris Lattner
ec4a5672f8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47938 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 06:48:13 +00:00
Chris Lattner
aa2acbbbf0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47937 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 06:46:58 +00:00
Evan Cheng
b7664c6173 Ignore debugging related instructions if they get this far. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47934 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 02:34:36 +00:00
Evan Cheng
0b21390a86 Rather than asserting. Dump out the MI that we are not able to encode and abort. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47933 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 02:08:03 +00:00
Dan Gohman
34bc178e4d 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47932 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 02:07:31 +00:00
Evan Cheng
6fd599fa69 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47931 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 01:30:59 +00:00
Andrew Lenharth
d19189e990 64bit CAS on 32bit x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47929 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 01:15:49 +00:00
Dan Gohman
d91446de7a Codegen support for i128 SINT_TO_FP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47928 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 01:08:17 +00:00
Evan Cheng
6130f66eaa Refactor code. Remove duplicated functions that basically do the same thing as 
findRegisterUseOperandIdx, findRegisterDefOperandIndx. Fix some naming inconsistencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47927 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 00:59:57 +00:00
Devang Patel
4d519457d1 Skip functions that return multiple values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47924 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 00:36:59 +00:00
Devang Patel
45e99e4f29 Check struct return type first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47922 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 00:27:05 +00:00
Bill Wendling
2b5fab67c1 Removed spurious EnablePPCRS check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47918 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 23:27:33 +00:00
Dale Johannesen
5b3b695c2f Move PPC lowering functions into PPCTargetLowering 
class (cosmetic).  First piece of byval implementation;
this doesn't work yet.  No functional change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47917 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 23:17:14 +00:00
Bill Wendling
880d0f6018 Use a command-line option to turn register scavenging on/off for PPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47915 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 23:13:51 +00:00
Devang Patel
6494768ffc Print types for all ret operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47911 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 22:05:14 +00:00
Devang Patel
ac3746f20c Use while loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47909 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 21:59:49 +00:00
Devang Patel
552ec65ebd Revert SmallVector ctor variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47908 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 21:54:56 +00:00
Devang Patel
37963556e3 Use cast instead of dyn_cast. 
Update test to use multiple return value directly, instead of relying on -sretpromotion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47907 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 21:45:28 +00:00
Devang Patel
a9fe8bb3b6 Filter nested structs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47906 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 21:32:09 +00:00
Devang Patel
dc00d42bb1 Handle multiple return values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47904 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 21:15:15 +00:00
Andrew Lenharth
a76e2f0331 x86-64 atomics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47903 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 21:13:33 +00:00
Anton Korobeynikov
eba0415600 Properly populate lists of defined/undefined symbols in presence of aliases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47900 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 20:16:11 +00:00
Anton Korobeynikov
d58ceb27c5 Add alias with non-external aliasee to the list of exported symbols of the library. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47899 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 20:15:35 +00:00
Devang Patel
96f9cc02e3 Use appropriate index to get the result value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47897 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 19:22:54 +00:00
Devang Patel
544b92bb3c Skip sret attribute while preparing attribute list for 
new function and new call sites.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47896 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 19:12:58 +00:00