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2927 Commits

Author SHA1 Message Date
Nate Begeman
17ff2b3a87 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!

llvm-svn: 20946
 2005-03-31 02:05:53 +00:00
Nate Begeman
de4aac1374 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.

llvm-svn: 20945
 2005-03-31 00:15:26 +00:00
Nate Begeman
9c5480beeb 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

llvm-svn: 20944
 2005-03-30 19:38:35 +00:00
Andrew Lenharth
91bd9033c6 yea, fine Duraid 
llvm-svn: 20942
 2005-03-30 18:22:52 +00:00
Nate Begeman
c877844625 Fix frame index code to generate legal PowerPC instructions. About half of 
Shootout now works.

llvm-svn: 20940
 2005-03-30 02:23:08 +00:00
Nate Begeman
ec87399dac 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!

llvm-svn: 20939
 2005-03-30 01:45:43 +00:00
Chris Lattner
46c4246df1 don't depend on the cfg being set up yet 
llvm-svn: 20936
 2005-03-30 01:10:00 +00:00
Nate Begeman
8eddad3985 Fix BranchCC (it's still dumb), and implement FP select (also dumb) 
llvm-svn: 20935
 2005-03-29 22:48:55 +00:00
Nate Begeman
43b127ca0a Implement integer select and i1 sign extend 
llvm-svn: 20934
 2005-03-29 22:24:51 +00:00
Nate Begeman
d5d90ec76b Implement SetCC, fix ZERO_EXTEND_INREG 
llvm-svn: 20933
 2005-03-29 21:54:38 +00:00
Tanya Lattner
bc14e623e3 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. 
llvm-svn: 20931
 2005-03-29 20:35:10 +00:00
Tanya Lattner
7edde71619 Dependence analyzer that just determines dependences within a loop for loads and stores using alias analysis. 
llvm-svn: 20930
 2005-03-29 20:33:42 +00:00
Andrew Lenharth
21c4590f96 Fix up some types and constants 
llvm-svn: 20928
 2005-03-29 19:24:04 +00:00
Chris Lattner
3759d20b0f fix a warning in the optimized build 
llvm-svn: 20920
 2005-03-29 15:13:27 +00:00
Nate Begeman
62e458272f Implement div, rem, and frameindex 
llvm-svn: 20907
 2005-03-29 00:03:27 +00:00
Nate Begeman
734a61f057 Pattern ISel: fix argument loading for i64s (thanks chris) 
Simple  ISel: fix i64 subtract

llvm-svn: 20903
 2005-03-28 23:08:54 +00:00
Nate Begeman
32d1caae6d Remove fake instruction 'subc' (mnemonic for subfc). 
More pattern isel updates

llvm-svn: 20902
 2005-03-28 22:28:37 +00:00
Nate Begeman
2ab66f55b6 Implement proper loads and zero-extends of all types 
llvm-svn: 20897
 2005-03-28 19:36:43 +00:00
Duraid Madina
7b5f67baf9 Emit .global @function and .global @object entries so the Intel ias 
assembler may be used; identify LLVM output as such.

llvm-svn: 20892
 2005-03-28 15:21:43 +00:00
Nate Begeman
6b0fbf811f Fix that pesky floats in integer regs problem by assigning the f32 type to 
the correct register class.  Also remove the loading of float data into int
regs part of varargs; it will need to be implemented differently later.

llvm-svn: 20857
 2005-03-26 08:25:22 +00:00
Nate Begeman
31d175d1e5 Get closer to having varargs working. There's still something strange 
going on with copies between floating point and integer register files
being generated.  Once that is solved, varargs will be done.

llvm-svn: 20856
 2005-03-26 07:46:36 +00:00
Nate Begeman
69742e6ea1 Make 64bit args and float args work correct with calls. Thanks to Chris 
for explaining EXTRACT_ELEMENT to me.

llvm-svn: 20847
 2005-03-26 02:17:46 +00:00
Nate Begeman
f821401825 Change interface to LowerCallTo to take a boolean isVarArg argument. 
llvm-svn: 20842
 2005-03-26 01:29:23 +00:00
Nate Begeman
d3b5925b38 Next round of pattern isel changes, mostly dealing with calls. 
llvm-svn: 20841
 2005-03-26 01:28:53 +00:00
Nate Begeman
4106e81966 Correct a documention link 
llvm-svn: 20840
 2005-03-26 01:28:05 +00:00
Nate Begeman
ba1cd37734 Support global addresses and fix call returns. Varargs still aren't 
handled correctly for floating point arguments, or more than 8 arguemnts.
This does however, allow hello world to run.

llvm-svn: 20832
 2005-03-25 08:34:25 +00:00
Nate Begeman
6b11098886 Implement next round of Pattern ISel fixes 
1. void returns
2. multiplies
3. calls

llvm-svn: 20822
 2005-03-24 23:35:30 +00:00
Nate Begeman
613e54d5f0 Fix an incorrect argument being passed to BuildMI for indirect calls. 
llvm-svn: 20821
 2005-03-24 23:34:38 +00:00
Nate Begeman
4584ca0554 Commit Gabor Greif's patch to use iterators in lowering intrinsics. 
llvm-svn: 20816
 2005-03-24 20:07:16 +00:00
Chris Lattner
ad07b1bc54 eliminate dead variables, patch contributed by Gabor Greif! 
llvm-svn: 20812
 2005-03-24 17:32:20 +00:00
Nate Begeman
833c1d0994 Implement more of the PPC32 Pattern ISel: 
1) dynamic stack alloc
2) loads
3) shifts
4) subtract
5) immediate form of add, and, or, xor
6) change flag from -pattern-isel to -enable-ppc-pattern-isel

Remove dead arguments from getGlobalBaseReg in the simple ISel

llvm-svn: 20810
 2005-03-24 06:28:42 +00:00
Chris Lattner
a42c4a0874 Fix silly "no newline at end of file" warning 
llvm-svn: 20809
 2005-03-24 06:16:18 +00:00
Chris Lattner
56f3525a1d Fix compilation errors, patch contributed by the fabulous Bill Wendling! 
llvm-svn: 20808
 2005-03-24 05:13:53 +00:00
Chris Lattner
2e2035aa72 fix a compilation error, patch contributed by Bill Wendling! 
llvm-svn: 20807
 2005-03-24 05:12:48 +00:00
Nate Begeman
0e77845b7e Addition of the PPC32 Pattern ISel. While it is far from complete, it will 
be brought up to parity with the current simple ISel in the coming days.
Currently, -pattern-isel is required to trigger it.

llvm-svn: 20805
 2005-03-24 04:41:43 +00:00
Nate Begeman
175a9f1cc6 Remove comments that are now meaningless from the pattern ISels, at Chris's 
request.

llvm-svn: 20804
 2005-03-24 04:39:54 +00:00
Andrew Lenharth
b1bd2e2900 don't lie to the register allocator 
llvm-svn: 20784
 2005-03-23 15:20:01 +00:00
Tanya Lattner
d7b8fb8263 Added alias analysis. 
Fixed many many bugs.
This now works on almost all Singlesource , and most of MultiSource.

llvm-svn: 20780
 2005-03-23 01:47:20 +00:00
Andrew Lenharth
61312ca088 hum, it is good to use real instructions 
llvm-svn: 20769
 2005-03-22 16:42:52 +00:00
Andrew Lenharth
5bd65ee784 two things: 1)evilness reduction patch, reduces the number of instructions hiding in the small jump CC moving code. 2)implement div of small data types by FP DIV (also reduces evilness and should speed things up) 
llvm-svn: 20756
 2005-03-22 00:24:07 +00:00
Misha Brukman
04d6d0666d We may be adding functions to the Module during initialization, so 
conservatively, it's modified

llvm-svn: 20735
 2005-03-21 19:22:14 +00:00
Tanya Lattner
156e5a6897 Make this method non-const. Making it const causes the const version of 
getIGroup to be called instead of the non-const one.  These two methods
have (??) different behavior, so this change fixes bugs.

llvm-svn: 20724
 2005-03-21 06:07:43 +00:00
Chris Lattner
f53c9e2578 Fix the 3 regressions last night, due to my buggy patch from yesterday. 
llvm-svn: 20689
 2005-03-19 17:35:11 +00:00
Alkis Evlogimenos
d8f23f17f0 Stop using deprecated interface. 
llvm-svn: 20679
 2005-03-19 09:22:17 +00:00
Chris Lattner
35084f46a3 remove use of getPrev() and getNext() on ilist nodes. 
llvm-svn: 20673
 2005-03-18 16:12:37 +00:00
Duraid Madina
ad26d89f4a typo/denial 
llvm-svn: 20663
 2005-03-17 20:23:27 +00:00
Duraid Madina
341917d75b clean up warnings when building in release mode 
llvm-svn: 20658
 2005-03-17 19:00:40 +00:00
Duraid Madina
0b84eec44b OK, IA64 is statically linked into llc 
llvm-svn: 20655
 2005-03-17 18:37:05 +00:00
Duraid Madina
08bd58412a build the IA64 target as a .so for now 
llvm-svn: 20654
 2005-03-17 18:29:04 +00:00
Duraid Madina
79022e1b87 and so it begins... 
PHASE 1: write instruction selector
PHASE 2: ???
PHASE 3: profit!

llvm-svn: 20652
 2005-03-17 18:17:03 +00:00