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Author SHA1 Message Date
Chris Lattner
d4b57286dc new generic testcsae 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20996 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 02:41:55 +00:00
Nate Begeman
27523a1c92 Fix i64 returns 
Generate PowerPC 'subfic' instruction when appropriate


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20995 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 00:42:16 +00:00
Nate Begeman
ea19cd51aa Fix a warning about an unhandled switch case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20994 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-02 00:41:14 +00:00
John Criswell
d60c0ef023 For Sparc, this xfails. I don't think sparc has the C99 complex data 
type support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20993 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 23:16:23 +00:00
Chris Lattner
7ce7eff54c Add support for ISD::UNDEF to the X86 be 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20990 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 22:46:45 +00:00
Nate Begeman
fc1b1dad88 Add ISD::UNDEF node 
Teach the SelectionDAG code how to expand and promote it
Have PPC32 LowerCallTo generate ISD::UNDEF for int arg regs used up by fp
  arguments, but not shadowing their value.  This allows us to do the right
  thing with both fixed and vararg floating point arguments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20988 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 22:34:39 +00:00
Chris Lattner
e6fea166c3 Fix another PATypeHolder error, contributed by Bill Wendling! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20983 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 15:41:30 +00:00
Duraid Madina
69c8e20aa1 repair mindless SELECT waste. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20982 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 10:35:00 +00:00
Nate Begeman
6cb2e1b124 Fix Olden/bh, CR0 was being set in the wrong order 
LowerCallTo and ISD::CALL are going to need to be modified, regs are being
set in the wrong order.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20981 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 08:57:43 +00:00
Nate Begeman
31318e4b6c Also apply Chris's fix to FP select and SETCC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20979 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 07:21:30 +00:00
Chris Lattner
bea061df63 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20978 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 07:19:06 +00:00
Chris Lattner
3071019026 Move the selection of the arms of the select operation up to the conditional 
part to make sure we get the side effects and to avoid confusing the CFG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20977 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 07:10:02 +00:00
Chris Lattner
380ae49599 print the machine CFG in the -print-machineinstrs dump 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20976 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 06:48:38 +00:00
Nate Begeman
a7e11a4bb5 Fix stores to global addresses 
Fix calls with no arguments


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20975 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 05:57:17 +00:00
Nate Begeman
04730361b5 Support indexed loads and stores. This drops Shootout/matrix time from 
18.8 to 14.8 seconds.  The Pattern ISel is now often faster than the
Simple ISel, esp. on memory intensive code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20973 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 04:45:11 +00:00
Nate Begeman
6b55997df5 Implement FP_TO_SINT and FP_TO_UINT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20972 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 02:59:27 +00:00
Nate Begeman
6d369ccae0 Add support for adding 0.0 and -0.0 to the constant pool, since we lie and 
say that we support them, for the purposes of generating fsel instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20970 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 01:08:07 +00:00
Nate Begeman
dffcfccc13 Factor out common code, support FP comparison in folded SetCC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20969 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-04-01 00:32:34 +00:00
Nate Begeman
3e89716ad7 fsel generation for f32 and f64 select 
generate compare immediate for integer compare with constant
fold setcc into branch
fold setcc into select

Code generation quality for Shootout is now on par with the Simple ISel


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20968 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 23:55:40 +00:00
Andrew Lenharth
5e99dd9c2b make fp div trick dependend on flag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20967 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 22:02:25 +00:00
Misha Brukman
e3f570c3f9 Fix spelling of `corresponds' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20966 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 21:30:35 +00:00
Andrew Lenharth
95762124a1 PCMarker support for DAG and Alpha 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20965 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 21:24:06 +00:00
Duraid Madina
beeaab28a5 Assorted fixes: 
* Stop being pessimistic about output register allocation
  * Start to handle function descriptors: compute target GPs and so on
  when doing indirect calls etc. Not there yet, though. For the moment,
  we try to use _indirect_ branches wherever possible, to stress test
  function descriptors.
  * FP divide-by-zero should work now
  * add varargs (it doesn't work, though)

At this point, all of SingleSource passes (modulo C++ tests that are due
to issues with the CFE, see note in the README.) Much of MultiSource also
passes although there's still a ton of bugs around. Something for me to
work on tomorrow, then. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20960 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 12:31:11 +00:00
Duraid Madina
1f867b103d * declare local common symbols as such (.lcomm, not merely .common) 
* begin great adventure into correct function descriptor materialization


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20956 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 07:40:24 +00:00
Duraid Madina
290f64c1cb daintyness 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20955 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 07:36:43 +00:00
Duraid Madina
291e1266c1 add what we need to fudge a 'floating point conditional move', this is 
used to get FP div-by-zero working properly (shunt the right answer
depending on how frcpa sets its predicate output)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20954 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 07:32:32 +00:00
Nate Begeman
96fc681d7e Pass the correct values to the chain argument for node construction during 
LowerCallTo.
Handle ISD::ADD in SelectAddr, allowing us to have nonzero immediates for
loads and stores, amazing!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20946 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 02:05:53 +00:00
Nate Begeman
74d734574e Rewrite LowerCallTo and Select(ISD::CALL) to properly handle float varargs 
Tell the SelectionDAG ISel to expand SEXTLOAD of i1 and i8, rather than
  complicate the code in ISD::SEXTLOAD to do it by hand
Combine the FP and Int ISD::LOAD codegen
Generate better code for constant pool loads

As a result, all of Shootout, and likely many other programs are now
working.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20945 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-31 00:15:26 +00:00
Nate Begeman
fdcf3418e0 Fix calls whose arguments fit entirely in registers to not break the Chain. 
Implement SINT_TO_FP and UINT_TO_FP
Remove some dead code from the simple ISel


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20944 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-30 19:38:35 +00:00
Misha Brukman
109d9e8592 * Put command-line switches and function names in <tt> 
* Add links to mailing lists and publications


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20943 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-30 19:14:24 +00:00
Andrew Lenharth
ba05ad605e yea, fine Duraid 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20942 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-30 18:22:52 +00:00
Duraid Madina
81dbf44d1b Add section for Itanium 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20941 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-30 05:33:54 +00:00
Nate Begeman
58f718cd97 Fix frame index code to generate legal PowerPC instructions. About half of 
Shootout now works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20940 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-30 02:23:08 +00:00
Nate Begeman
01d05266f9 Fix external symbol printing in the AsmPrinter. Tell the ISel that we 
don't support things like memcpy directly.  This allows a handful of the
Shootout programs to work, yay!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20939 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-30 01:45:43 +00:00
Misha Brukman
2c5b1d2405 * Add section for Alpha 
* Remove extraneous subsections


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20938 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-30 01:14:38 +00:00
Chris Lattner
a33ef4816d Instead of setting up the CFG edges at selectiondag construction time, set 
them up after the code has been emitted.  This allows targets to select one
mbb as multiple mbb's as needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20937 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-30 01:10:47 +00:00
Chris Lattner
71df3f8cab don't depend on the cfg being set up yet 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20936 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-30 01:10:00 +00:00
Nate Begeman
23afcfb063 Fix BranchCC (it's still dumb), and implement FP select (also dumb) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20935 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 22:48:55 +00:00
Nate Begeman
74747861b9 Implement integer select and i1 sign extend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20934 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 22:24:51 +00:00
Nate Begeman
3316252034 Implement SetCC, fix ZERO_EXTEND_INREG 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20933 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 21:54:38 +00:00
Chris Lattner
175b9635cc import all of the rest of the stubs that dsa uses for direct comparison 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20932 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 20:36:05 +00:00
Tanya Lattner
5e9f352346 Compare dependence analysis with llvm instructions versus machine instrutions. the problem with using machine instructions and alias analysis is that aa does not handle tmp instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20931 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 20:35:10 +00:00
Tanya Lattner
5ec3a63f6d Dependence analyzer that just determines dependences within a loop for loads and stores using alias analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20930 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 20:33:42 +00:00
Chris Lattner
77b505670c learn about some more functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20929 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 20:04:24 +00:00
Andrew Lenharth
c05138387a Fix up some types and constants 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20928 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 19:24:04 +00:00
Chris Lattner
9342a939eb Fix a problem where we not marking incoming arguments to functions with 
external linkage as incomplete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20927 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 19:16:59 +00:00
Chris Lattner
f51d3bd676 Fix a bug that andrew noticed where we do not correctly sign/zero extend 
returned integer values all of the way to 64-bits (we only did it to 32-bits
leaving the top bits undefined).  This causes problems for targets like alpha
whose ABI's define the top bits too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20926 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 19:09:56 +00:00
Chris Lattner
cfba7981eb there is no point comparing against null pointer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20925 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 17:44:52 +00:00
Chris Lattner
76bc5ce5c4 Fix a major problem with global variable initializers. This could cause 
us to have stuff pointing to the null pointer, which makes no sense
(the null ptr is an ssa value, not the null object)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20922 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 17:21:53 +00:00
Chris Lattner
848132d671 fix a warning in the optimized build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20920 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-03-29 15:13:27 +00:00