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Author SHA1 Message Date
Chris Lattner
17d3a87cda Build zlib and libpng 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11911 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 17:00:29 +00:00
Chris Lattner
0e27c98b7e Updates from Reid 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11908 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 16:17:20 +00:00
Alkis Evlogimenos
08388a4787 Add memory operand folding support for the SETcc family of 
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11907 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 16:13:37 +00:00
Alkis Evlogimenos
bd16ef84bf Make MachineOperand's immediate value an int and save 4 bytes out of 
each MachineOperand. We don't really need an int64_t immediate :-).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11906 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 15:05:28 +00:00
Alkis Evlogimenos
e56508eb7e Add memory operand folding support for SHLD and SHRD instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11905 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 15:03:18 +00:00
Alkis Evlogimenos
58ec60589b Add memory operand folding support for SHL, SHR and SAR, SHLD instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11903 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 09:28:43 +00:00
Alkis Evlogimenos
e35ba65b02 Rename SHL, SHR, SAR, SHLD and SHLR instructions to make them 
consistent with the rest and also pepare for the addition of their
memory operand variants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11902 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 06:57:05 +00:00
Chris Lattner
6175735da4 Initial checkin of document, contributed by Reid Spencer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11901 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 06:28:34 +00:00
Chris Lattner
a0ebcebc06 Implement test/Regression/Transforms/InstCombine/canonicalize_branch.ll 
This is a really minor thing, but might help out the 'switch statement induction'
code in simplifycfg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11900 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 06:27:46 +00:00
Chris Lattner
f7b0041fb5 The instcombiner should canonicalize comparisons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11899 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 06:27:07 +00:00
Alkis Evlogimenos
fc54e83cea Rename member function to be consistent with the rest. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11898 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 06:11:15 +00:00
Alkis Evlogimenos
4817e9cac1 Add improvements to the code generator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11896 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 05:26:23 +00:00
Alkis Evlogimenos
57af2cf6f3 Make spiller push stores right after the definition of a register so 
that they are as far away from the loads as possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11895 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 04:51:35 +00:00
Alkis Evlogimenos
ddcfd9e6fa Fix crash caused by passing register 0 to 
MRegisterInfo::isPhysicalRegister().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11894 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-27 01:52:34 +00:00
Alkis Evlogimenos
8fa16e47f8 Clear maps right after basic block is processed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11892 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 23:22:23 +00:00
Misha Brukman
b07dddda00 Doxygenify comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11891 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 23:20:29 +00:00
Misha Brukman
2729408840 Doxygenify and tersify comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11890 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 23:20:08 +00:00
John Criswell
412926edf7 Added PR258 and 259. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11889 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 23:13:34 +00:00
John Criswell
fd04ee687b Added support for C++ compilation. 
Made removing the object files a separate sh command so that it can easily
be commented out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11888 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 23:02:25 +00:00
John Criswell
28ccd021de C++ version of llvm-native-gcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11887 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 23:01:21 +00:00
John Criswell
fad5c3a646 Fixed test case to actually check for the static declaration. 
Oops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11886 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 22:56:13 +00:00
John Criswell
726f0b8d36 Regression tests for PR258 and PR259. 
2004-02-26-FPNotPrintableConstants.llx ensures that constants used in an
LLVM program are declared static if they are assigned to global variables.
2004-02-26-LinkOnceFunctions.llx ensures that linkonce functions get the
weak attribute.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11885 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 22:55:11 +00:00
John Criswell
3799eec3cf Fixes for PR258 and PR259. 
Functions with linkonce linkage are declared with weak linkage.
Global floating point constants used to represent unprintable values
(such as NaN and infinity) are declared static so that they don't interfere
with other CBE generated translation units.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11884 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 22:20:58 +00:00
Chris Lattner
cb582406dd Be a good little compiler and handle direct calls efficiently, even if there 
are beastly ConstantPointerRefs in the way...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11883 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 22:07:22 +00:00
Alkis Evlogimenos
71e353ed35 Uncomment assertions that register# != 0 on calls to 
MRegisterInfo::is{Physical,Virtual}Register. Apply appropriate fixes
to relevant files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11882 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 22:00:20 +00:00
John Criswell
0550256c31 Modified the default pathname for Povray. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11881 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 20:22:59 +00:00
Chris Lattner
4f77caaa3d Since LLVM uses structure type equivalence, it isn't useful to keep around 
multiple type names for the same structural type.  Make DTE eliminate all
but one of the type names


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11879 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 20:02:23 +00:00
Chris Lattner
c230978a82 Annotations are evil. This makes Value not derive from Annotable, which makes 
all dynamically allocated LLVM values 4 bytes smaller, eliminate some vtables, and
make Value's destructor faster.

This makes Function derive from Annotation now because it is the only core LLVM
class that still has an annotation stuck onto it: MachineFunction.
MachineFunction is obviously horrible and gross (like most other annotations), but
will be the subject of refactorings later in the future.  Besides many fewer
Function objects are dynamically allocated that instructions blocks, constants,
types, etc... :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11878 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 08:08:38 +00:00
Chris Lattner
fd343b0bec add note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11876 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 08:02:57 +00:00
Chris Lattner
0e7ac16926 Use a map instead of annotations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11875 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 08:02:17 +00:00
Chris Lattner
c814937115 Make TargetData no longer use annotations! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11874 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 08:01:57 +00:00
Chris Lattner
32f54f3149 Eliminate copy-and-paste comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11873 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 08:01:30 +00:00
Chris Lattner
b1dfc70ef1 remove obsolete comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11872 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 07:59:22 +00:00
Chris Lattner
1cd4c7294c Make sure that at least one virtual method is defined in a .cpp file to avoid 
having the compiler emit RTTI and vtables to EVERY translation unit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11871 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 07:24:18 +00:00
Chris Lattner
f2dbf50efa turn things like: 
if (X == 0 || X == 2)

...where the comparisons and branches are in different blocks... into a switch
instruction.  This comes up a lot in various programs, and works well with
the switch/switch merging code I checked earlier.  For example, this testcase:

int switchtest(int C) {
  return C == 0 ? f(123) :
         C == 1 ? f(3123) :
         C == 4 ? f(312) :
         C == 5 ? f(1234): f(444);
}

is converted into this:
        switch int %C, label %cond_false.3 [
                 int 0, label %cond_true.0
                 int 1, label %cond_true.1
                 int 4, label %cond_true.2
                 int 5, label %cond_true.3
        ]

instead of a whole bunch of conditional branches.

Admittedly the code is ugly, and incomplete.  To be complete, we need to add
br -> switch merging and switch -> br merging.  For example, this testcase:

struct foo { int Q, R, Z; };
#define A (X->Q+X->R * 123)
int test(struct foo *X) {
  return A  == 123 ? X1() :
        A == 12321 ? X2():
        (A == 111 || A == 222) ? X3() :
        A == 875 ? X4() : X5();
}

Gets compiled to this:
        switch int %tmp.7, label %cond_false.2 [
                 int 123, label %cond_true.0
                 int 12321, label %cond_true.1
                 int 111, label %cond_true.2
                 int 222, label %cond_true.2
        ]
...
cond_false.2:           ; preds = %entry
        %tmp.52 = seteq int %tmp.7, 875         ; <bool> [#uses=1]
        br bool %tmp.52, label %cond_true.3, label %cond_false.3

where the branch could be folded into the switch.

This kind of thing occurs *ALL OF THE TIME*, especially in programs like
176.gcc, which is a horrible mess of code.  It contains stuff like *shudder*:

#define SWITCH_TAKES_ARG(CHAR) \
  (   (CHAR) == 'D' \
   || (CHAR) == 'U' \
   || (CHAR) == 'o' \
   || (CHAR) == 'e' \
   || (CHAR) == 'u' \
   || (CHAR) == 'I' \
   || (CHAR) == 'm' \
   || (CHAR) == 'L' \
   || (CHAR) == 'A' \
   || (CHAR) == 'h' \
   || (CHAR) == 'z')

and

#define CONST_OK_FOR_LETTER_P(VALUE, C)                 \
  ((C) == 'I' ? SMALL_INTVAL (VALUE)                    \
   : (C) == 'J' ? SMALL_INTVAL (-(VALUE))               \
   : (C) == 'K' ? (unsigned)(VALUE) < 32                \
   : (C) == 'L' ? ((VALUE) & 0xffff) == 0               \
   : (C) == 'M' ? integer_ok_for_set (VALUE)            \
   : (C) == 'N' ? (VALUE) < 0                           \
   : (C) == 'O' ? (VALUE) == 0                          \
   : (C) == 'P' ? (VALUE) >= 0                          \
   : 0)

and

#define LEGITIMIZE_ADDRESS(X,OLDX,MODE,WIN)                     \
{                                                               \
  if (GET_CODE (X) == PLUS && CONSTANT_ADDRESS_P (XEXP (X, 1))) \
    (X) = gen_rtx (PLUS, SImode, XEXP (X, 0),                   \
                   copy_to_mode_reg (SImode, XEXP (X, 1)));     \
  if (GET_CODE (X) == PLUS && CONSTANT_ADDRESS_P (XEXP (X, 0))) \
    (X) = gen_rtx (PLUS, SImode, XEXP (X, 1),                   \
                   copy_to_mode_reg (SImode, XEXP (X, 0)));     \
  if (GET_CODE (X) == PLUS && GET_CODE (XEXP (X, 0)) == MULT)   \
    (X) = gen_rtx (PLUS, SImode, XEXP (X, 1),                   \
                   force_operand (XEXP (X, 0), 0));             \
  if (GET_CODE (X) == PLUS && GET_CODE (XEXP (X, 1)) == MULT)   \
    (X) = gen_rtx (PLUS, SImode, XEXP (X, 0),                   \
                   force_operand (XEXP (X, 1), 0));             \
  if (GET_CODE (X) == PLUS && GET_CODE (XEXP (X, 0)) == PLUS)   \
    (X) = gen_rtx (PLUS, Pmode, force_operand (XEXP (X, 0), NULL_RTX),\
                   XEXP (X, 1));                                \
  if (GET_CODE (X) == PLUS && GET_CODE (XEXP (X, 1)) == PLUS)   \
    (X) = gen_rtx (PLUS, Pmode, XEXP (X, 0),                    \
                   force_operand (XEXP (X, 1), NULL_RTX));      \
  if (GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == CONST       \
           || GET_CODE (X) == LABEL_REF)                        \
    (X) = legitimize_address (flag_pic, X, 0, 0);               \
  if (memory_address_p (MODE, X))                               \
    goto WIN; }

and others.  These macros get used multiple times of course.  These are such
lovely candidates for macros, aren't they?  :)

This code also nicely handles LLVM constructs that look like this:

  if (isa<CastInst>(I))
   ...
  else if (isa<BranchInst>(I))
   ...
  else if (isa<SetCondInst>(I))
   ...
  else if (isa<UnwindInst>(I))
   ...
  else if (isa<VAArgInst>(I))
   ...

where the isa can obviously be a dyn_cast as well.  Switch instructions are a
good thing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11870 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 07:13:46 +00:00
Chris Lattner
7b1af15612 No need to clear the map here, it will always be empty 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11868 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 05:21:21 +00:00
Chris Lattner
7c78afefe9 Fix a bug in the densemap that was killing the local allocator, and probably 
other clients.  The problem is that the nullVal member was left to the default
constructor to initialize, which for int's does nothing (ie, leaves it unspecified).

To get a zero value, we must use T().  It's C++ wonderful? :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11867 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 05:00:15 +00:00
Alkis Evlogimenos
271143fbe8 Remove .micro references as those files no longer exist and add some more recent Makefile additions to the list 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11866 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 04:14:10 +00:00
Chris Lattner
00fa65be83 Fix typeo. grow() cannot shrink storage. clear() should really nuke storage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11865 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 04:07:12 +00:00
Chris Lattner
af6926a382 Fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11864 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 03:45:03 +00:00
Chris Lattner
abcdf80ec6 The node doesn't have to be _no_ node flags, it just has to be complete and 
not have any globals.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11863 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 03:43:43 +00:00
Chris Lattner
1fe9874d15 Add _more_ functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11862 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 03:43:08 +00:00
Chris Lattner
f74a401f61 We have this snazzy link-time optimizer. How about we start using it? This 
removes some cruft from 255.vortex, cleaning up after DAE and IPCP, which
do horrible, beautiful, things to vortex.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11861 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 03:34:30 +00:00
Chris Lattner
8dd8d261a4 Fix some warnings, some of which were spurious, and some of which were real 
bugs.  Thanks Brian!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11859 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 01:20:02 +00:00
Misha Brukman
23e6c1ff45 Instructions to call and return from functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11858 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 00:37:12 +00:00
Brian Gaeke
3a9ec199b5 One B00g fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11857 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-26 00:08:25 +00:00
Alkis Evlogimenos
4c50715e9e Temporarily comment out asserts as they break things. I will uncomment 
them when all the problem areas are fixed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11855 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 23:56:36 +00:00
Alkis Evlogimenos
f3dd0dbc58 Fix typo. I wonder how this actually worked. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11854 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 23:47:17 +00:00
Alkis Evlogimenos
1e3aba1c19 Complete the SPEC_ROOT and USE_SPEC to SPEC2000_ROOT and USE_SPEC200 rename. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11853 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 23:41:32 +00:00
Chris Lattner
cf14e71c5e Two changes: 
1. Functions do not make things incomplete, only variables
 2. Constant global variables no longer need to be marked incomplete, because
    we are guaranteed that the initializer for the global will be in the
    graph we are hacking on now.  This makes resolution of indirect calls happen
    a lot more in the bu pass, supports things like vtables and the C counterparts
    (giant constant arrays of function pointers), etc...

Testcase here: test/Regression/Analysis/DSGraph/constant_globals.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11852 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 23:36:08 +00:00