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Author SHA1 Message Date
Brian Gaeke
2217bdbf68 Add a -march=powerpc option. Automatically select it if this looks like a 
big-endian, 32-bit module, or if __ppc__, __POWERPC__, or __APPLE__ are
defined.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11075 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:06:12 +00:00
Brian Gaeke
7ca255b76c Link in the PowerPC back-end. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11074 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:05:52 +00:00
Brian Gaeke
b77232d1fc Add comments describing how you would add prototypes for factory methods for 
PowerPC-specific passes here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11073 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:05:28 +00:00
Brian Gaeke
2d62c896a5 Add prototype for llvm::allocatePowerPCTargetMachine(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11072 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 19:05:08 +00:00
Chris Lattner
af70362e40 Codegen -0.0 correctly. Do not use fldz! This is another -0.0 == +0.0 problem, arg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11070 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 18:56:30 +00:00
Chris Lattner
c07cd132cb Correct the method I just added to actually return false sometimes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11069 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 18:53:04 +00:00
Chris Lattner
f0fd6845ee Add a new method to ConstantFP 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11068 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 18:40:29 +00:00
Chris Lattner
55d14de0cd Bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11067 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 17:48:56 +00:00
Alkis Evlogimenos
22b7e44bb0 Create an object for tracking physical register usage. This will look 
much better when I get rid of the reserved registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11066 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-02 07:30:36 +00:00
Chris Lattner
c8a35817fc Bug fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11065 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 22:52:12 +00:00
Chris Lattner
cfdf2419bc Second half of a fix for PR218 & test/Regression/Assembler/2004-02-01-NegativeZero.llx. 
Basically we store floating point values as their integral components, instead of relying
on the semantics of floating point < to differentiate between values.  This is likely to
make the map search be faster anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11064 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 22:49:04 +00:00
Chris Lattner
cf2c4f8ae5 The first half of a fix for PR218 & test/Regression/Assembler/2004-02-01-NegativeZero.llx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11063 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 22:48:09 +00:00
Chris Lattner
18b34e8b1b Add another test 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11062 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 22:47:16 +00:00
Alkis Evlogimenos
04667297af Change weight array into a vector and make it as big as the number of 
registers (not as the max number of registers).

Change toSpill from a std::set into a std::vector<bool>.

Use the reverse iterator adapter to do a reverse scan of allocatable
registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11061 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 20:13:26 +00:00
Alkis Evlogimenos
f440cc19c9 Use std::map::count() instead of std::map::find() != std::map::end() 
where appropriate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11060 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 18:39:53 +00:00
Chris Lattner
e5ec955fa4 New testcase for PR218 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11059 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 18:16:06 +00:00
Alkis Evlogimenos
93aa52a8a9 Add MRegisterInfo::getNumRegs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11058 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 17:14:20 +00:00
Alkis Evlogimenos
b180e3e92b Change string for joined intervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11057 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 16:13:05 +00:00
Alkis Evlogimenos
a1b6f95f78 FpMOV is also a move instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11055 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 08:22:16 +00:00
Alkis Evlogimenos
b0b0ebaac0 Change xor to ^. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11054 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 08:19:25 +00:00
Chris Lattner
05e4e8a5d2 Now that tailduplication does not bork SSA form, run mem2reg earlier in gccas. 
This tremendously improves the code generated by the LLVM optimizer, primarily
by making the inliner more aggressive.  For example, it improves the stepanov
benchmark from 55.56 mega-additions/sec to 98.04 Ma/s.  It also improves the
oopack/iterator benchmark from 338.3MFLOPS/s to 1103.4MFLOPS/s.  Less noteworthy,
it improves oopack/matrix from 573 -> 641 MFLOPS/s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11053 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 07:24:53 +00:00
Chris Lattner
c23396e8de Disable tail duplication in any "hard" cases, where it might break SSA form. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11052 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 06:32:28 +00:00
Chris Lattner
d4baf0f74c Fix a bug in a recent checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11050 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 05:25:07 +00:00
Chris Lattner
e400a0976f Fix the count of the number of instructions removed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11049 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 05:15:07 +00:00
Alkis Evlogimenos
676cf8cb1d Missed one silly assert :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11048 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 02:21:31 +00:00
Alkis Evlogimenos
01e74a2aab Simplify joinIntervals() code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11047 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 02:18:31 +00:00
Chris Lattner
fff663b47a Remove all of the annoying statistics now that I'm finished (for the near 
term) working on bytecode size stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11046 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 01:50:31 +00:00
Alkis Evlogimenos
4f67b86648 Use MRegisterInfo::isPhysicalRegister and 
MRegisterInfo::isVirtualRegister.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11045 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 01:27:01 +00:00
Chris Lattner
b97e2788ff Fix a crasher bug in my constant folding rewrite 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11044 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 01:23:19 +00:00
Chris Lattner
338733fdd2 Print an error message if we can't materialize the bytecode file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11043 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 01:07:25 +00:00
Chris Lattner
369b123bc7 Add comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11042 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 00:32:48 +00:00
Chris Lattner
da79bd2322 Print an error message if there is an error materialize the bc file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11041 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-01 00:32:35 +00:00
Alkis Evlogimenos
52220f61bb Apply final part of Chris' patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11040 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 23:48:47 +00:00
Alkis Evlogimenos
02ba13c989 Be a little smarter on the way we handle physical register defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11038 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 23:13:30 +00:00
Chris Lattner
ef09c63e7b Finegrainify namespacification, use new MRegisterInfo::isVirtualRegister 
method


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11037 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 21:27:19 +00:00
Chris Lattner
6b50767905 Fix, correctly this time, the computation of the return value 
Fix a spello
Tighten up the assertion checking

No functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11036 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 21:21:43 +00:00
Chris Lattner
163c1e7a69 * Fix incorrect computation of the runOnMachineFunction return value 
* Turn a bunch of instance variables into automatic variables


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11035 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 21:14:04 +00:00
Chris Lattner
bd91c1c376 Remove unneeded #includes 
Move Passes.h (which defines the interface to this file) to the top.
Move statistics to the top of the file.
Add a comment


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11034 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 21:07:15 +00:00
Chris Lattner
a67138ddff Avoid referencing deleted DSgraphs when merging an SCC into a larger SCC. This 
fixes the crash in 176.gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11033 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 21:02:18 +00:00
Alkis Evlogimenos
08cec00588 Merge safe parts from last night's buggy commit. These do not break 
any test cases :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11032 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 19:59:32 +00:00
Chris Lattner
bd490d919b Add two static methods to avoid having client code explicitly compare against 
FirstVirtualRegister


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11031 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 19:57:11 +00:00
Alkis Evlogimenos
97017de187 Optimize liveAt() and overlaps(). We now use a binary search instead 
of a linear search to find the first range for comparisons. This cuts
down the linear scan register allocator running time by a factor of 3
in 254.perlbmk and by a factor of 2.2 in 176.gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11030 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 16:54:54 +00:00
Alkis Evlogimenos
4d46e1e521 Revert last night's changes as they broke some tests. Will remerge parts of the patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11029 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 14:37:41 +00:00
Alkis Evlogimenos
32bdd4ea65 Several performance enhancements and cleanups from Chris. 
Simplification of LiveIntervals::Interval::overlaps() and addition of
examples to overlaps() and liveAt() to make them clearer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11028 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-31 04:56:07 +00:00
Chris Lattner
a4dd6743e7 Fix thinko 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11027 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:48:02 +00:00
Chris Lattner
847df25e7d Add some comments sketching out how this is to work eventually. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11026 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:25:18 +00:00
Chris Lattner
79b13735ad Add a new flag, which is only used for symmetry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11025 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:24:18 +00:00
Chris Lattner
92e41d5982 Forward method request to chained aa implementation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11024 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:20:55 +00:00
Chris Lattner
7f430a5049 New testcase for better mod/ref information that basicaa can provide 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11023 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:18:47 +00:00
Chris Lattner
bc1daaa8bb Implement the pointsToConstantMemory() method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11022 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-01-30 22:17:24 +00:00