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Author SHA1 Message Date
Chris Lattner
10d08a2955 Add a helper to create an addressing mode given all of the pieces. 
llvm-svn: 11818
 2004-02-25 06:01:07 +00:00
Chris Lattner
c0e2bc0250 add an inefficient way of folding structure and constant array indexes together 
into a single LEA instruction.  This should improve the code generated for
things like X->A.B.C[12].D.

The bigger benefit is still coming though.  Note that this uses an LEA instruction
instead of an add, giving the register allocator more freedom.  We should probably
never generate ADDri32's.

llvm-svn: 11817
 2004-02-25 03:45:50 +00:00
Chris Lattner
969f90db77 Implement special case for storing an immediate into memory so that we don't need 
an intermediate register.

llvm-svn: 11816
 2004-02-25 02:56:58 +00:00
Brian Gaeke
5d29845f19 Cygwin defines log2 as a macro. Undef it here IFF it has already been defined, 
so that we always get the inline function instead. Remember, kids, like it says
in the GCC manual, "An Inline Function is As Fast As a Macro."

llvm-svn: 11815
 2004-02-25 01:53:45 +00:00
Brian Gaeke
8bf1c4c026 small portability fix. 
llvm-svn: 11814
 2004-02-24 22:58:31 +00:00
Chris Lattner
9036c86b14 Add support for 'rename' 
llvm-svn: 11813
 2004-02-24 22:17:00 +00:00
Chris Lattner
57ee51ae0b Make the verifier a little more explicit about this problem. 
llvm-svn: 11811
 2004-02-24 22:06:07 +00:00
Chris Lattner
d9652be664 Add support for remove, fwrite, and fread 
Also fix problem where we didn't check to see if a node pointer was null.
Though fclose(null) doesn't make a lot of sense, 300.twolf does it.

llvm-svn: 11810
 2004-02-24 22:02:48 +00:00
John Criswell
0158db84e0 Added the VTune tests. 
llvm-svn: 11809
 2004-02-24 21:43:38 +00:00
Brian Gaeke
eae0364189 FunctionLiveVarInfo.h moved: include/llvm/CodeGen -> lib/Target/Sparc/LiveVar 
llvm-svn: 11804
 2004-02-24 19:46:00 +00:00
Chris Lattner
9da41150e8 Fix some unexpected fallout from the config.h changes. Because the CBE no 
longer was getting this #include, it always fell back on the less precise
floating point initializer values, causing some testsuite failures.

llvm-svn: 11803
 2004-02-24 18:34:10 +00:00
Chris Lattner
fc15346b60 Fix a faulty optimization on FP values 
llvm-svn: 11801
 2004-02-24 18:10:14 +00:00
John Criswell
b086ac893e Fixed minor typos. 
llvm-svn: 11800
 2004-02-24 16:13:56 +00:00
Chris Lattner
7845e4f7f0 If a block is made dead, make sure to promptly remove it. 
llvm-svn: 11799
 2004-02-24 16:09:21 +00:00
Alkis Evlogimenos
6d7150e9bb Move machine code rewriter and spiller outside the register 
allocator.

The implementation is completely rewritten and now employs several
optimizations not exercised before. For example for 164.gzip we have
997 loads and 699 stores vs the 1221 loads and 880 stores we have
before.

llvm-svn: 11798
 2004-02-24 08:58:30 +00:00
Chris Lattner
d678669018 Implement SimplifyCFG/switch_switch_fold.ll 
This case occurs many times in various benchmarks, especially when combined
with the previous patch.  This allows it to get stuff like:
  if (X == 4 || X == 3)
    if (X == 5 || X == 8)

and

switch (X) {
case 4: case 5: case 6:
  if (X == 4 || X == 5)

llvm-svn: 11797
 2004-02-24 07:23:58 +00:00
Chris Lattner
d75c0eef9f New testcase. Switch instructions that go to switch instructions should be 
merged.

llvm-svn: 11796
 2004-02-24 07:21:09 +00:00
Alkis Evlogimenos
042f01039b Add predicates for checking if a virtual register has a physical 
register mapping or a stack slot mapping.

llvm-svn: 11795
 2004-02-24 06:30:36 +00:00
Chris Lattner
9f2c8c7ea5 Add some helpful methods for dealing with switch instructions 
llvm-svn: 11794
 2004-02-24 06:26:00 +00:00
Chris Lattner
1293e1d00c Rearrange code a bit 
llvm-svn: 11793
 2004-02-24 05:54:22 +00:00
Chris Lattner
e5db7dc4c6 Implement: test/Regression/Transforms/SimplifyCFG/switch_create.ll 
This turns code like this:
  if (X == 4 | X == 7)
and
  if (X != 4 & X != 7)
into switch instructions.

llvm-svn: 11792
 2004-02-24 05:38:11 +00:00
Chris Lattner
90da2d674f The simplifycfg pass should be able to turn stuff like: 
if (X == 4 || X == 7)
and
  if (X != 4 && X != 7)

into switch instructions.

llvm-svn: 11791
 2004-02-24 05:34:44 +00:00
Chris Lattner
2b7ba0ef67 Wow, the description of the 'switch' instruction was out of date. 
llvm-svn: 11790
 2004-02-24 04:54:45 +00:00
Chris Lattner
dc65f68a98 we no longer include boost 
llvm-svn: 11789
 2004-02-24 04:02:20 +00:00
Chris Lattner
da760e3e77 Hrm, my find must have been faulty. It didn't remove these as well. 
llvm-svn: 11788
 2004-02-24 03:54:22 +00:00
Chris Lattner
8138c7e4a2 Boost is now unneeded, thanks to the fix for PR253, contributed by Reid Spencer! 
llvm-svn: 11787
 2004-02-24 03:53:00 +00:00
Chris Lattner
4c3548fcb9 Now that's a new feature! 
llvm-svn: 11786
 2004-02-24 03:50:24 +00:00
Chris Lattner
e532a181c7 Use the new LLVM is_class template instead of the boost one, allowing us to 
remove our dependency on boost!  Thanks to Reid Spencer for making this possible!

llvm-svn: 11785
 2004-02-24 03:50:05 +00:00
Chris Lattner
341a8ac05c Check in a new type_traits header which provides the mysterious is_class 
template.  Thanks go out to Reid Spencer for skillfully extracting this
from boost!

llvm-svn: 11784
 2004-02-24 03:49:29 +00:00
Chris Lattner
54abbdd4db Noone cares about similarity to boost 
llvm-svn: 11783
 2004-02-24 03:47:25 +00:00
Alkis Evlogimenos
0d0db88889 Make enum private as it is an implementation detail. 
llvm-svn: 11782
 2004-02-23 23:49:40 +00:00
Alkis Evlogimenos
9344a740be Remove '4Virt' from member function names as it is obvious. 
llvm-svn: 11781
 2004-02-23 23:47:10 +00:00
Alkis Evlogimenos
d192266264 Refactor VirtRegMap out of RegAllocLinearScan as the first part of bug 
251 (providing a generic machine code rewriter/spiller).

llvm-svn: 11780
 2004-02-23 23:08:11 +00:00
Alkis Evlogimenos
15ac9b976d Include Config/config.h for SHLIBEXT. 
llvm-svn: 11779
 2004-02-23 22:42:51 +00:00
Brian Gaeke
74d4e2a05c DataTypes.h is now output from configure, and shortened 
llvm-svn: 11778
 2004-02-23 22:07:26 +00:00
Brian Gaeke
bee6716069 Add SUBSTing checks for sys/types.h and inttypes.h; add DataTypes.h to AC_OUTPUT. 
llvm-svn: 11777
 2004-02-23 22:07:01 +00:00
Brian Gaeke
e018bc5909 Regenerated with autoconf-2.57. 
llvm-svn: 11776
 2004-02-23 22:07:00 +00:00
Chris Lattner
78800ae270 Generate much more efficient code in programs like pifft 
llvm-svn: 11775
 2004-02-23 21:46:58 +00:00
Chris Lattner
7fa6519e07 Fix a small typeo in my checkin last night that broke vortex and other programs :( 
llvm-svn: 11774
 2004-02-23 21:46:42 +00:00
Brian Gaeke
dd067686e1 Regenerated with autoheader-2.57. 
llvm-svn: 11773
 2004-02-23 21:30:39 +00:00
Brian Gaeke
56c59bf770 Regenerated with autoconf-2.57. 
llvm-svn: 11772
 2004-02-23 21:30:37 +00:00
Brian Gaeke
a6f54c5933 Change test for pthreads to use AC_SUBST; add ThreadSupport.h as an AC_OUTPUT. 
llvm-svn: 11771
 2004-02-23 21:30:36 +00:00
Brian Gaeke
6620134331 ThreadSupport.h is now output from configure. 
llvm-svn: 11770
 2004-02-23 21:30:29 +00:00
Brian Gaeke
3918efe30b Remove check for slist 
llvm-svn: 11769
 2004-02-23 21:12:58 +00:00
Chris Lattner
253f77f2a7 Fix InstCombine/2004-02-23-ShiftShiftOverflow.ll 
Also, turn 'shr int %X, 1234' into 'shr int %X, 31'

llvm-svn: 11768
 2004-02-23 20:30:06 +00:00
Chris Lattner
39c2703ad4 Test for the other way also 
llvm-svn: 11767
 2004-02-23 20:24:16 +00:00
Chris Lattner
745388980f New testcase 
llvm-svn: 11766
 2004-02-23 20:19:51 +00:00
Brian Gaeke
7715d8e2ba Renamed to hash_set.in; move to using autoconf substitution tags. 
llvm-svn: 11765
 2004-02-23 18:56:36 +00:00
Brian Gaeke
3d632e3fd5 Renamed to hash_map.in; move to using autoconf substitution tags. 
llvm-svn: 11764
 2004-02-23 18:56:35 +00:00
Brian Gaeke
df2b904403 Add include/Support/hash_map and include/Support/hash_set as AC_OUTPUT files. 
llvm-svn: 11763
 2004-02-23 18:56:05 +00:00