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Author SHA1 Message Date
Chris Lattner
bf540473f8 noteworthy. 
llvm-svn: 19901
 2005-01-29 00:44:22 +00:00
Chris Lattner
c29f25e260 Adjust to changes in instruction interfaces. 
llvm-svn: 19900
 2005-01-29 00:39:08 +00:00
Chris Lattner
7dab604f10 Switchinst takes a hint for the number of cases it will have. 
llvm-svn: 19899
 2005-01-29 00:38:45 +00:00
Chris Lattner
ccc0c99fae switchinst ctor now takes a hint for the number of cases that it will have. 
llvm-svn: 19898
 2005-01-29 00:38:26 +00:00
Chris Lattner
d87666619f Adjust Valuehandle to hold its operand directly in it. 
llvm-svn: 19897
 2005-01-29 00:37:36 +00:00
Chris Lattner
774d64469c Finegrainify namespacification. 
Adjust TmpInstruction to work with the new User model.

llvm-svn: 19896
 2005-01-29 00:36:59 +00:00
Chris Lattner
0b2dec0f59 add namespace qualifier 
llvm-svn: 19895
 2005-01-29 00:36:38 +00:00
Chris Lattner
031d5f649c Adjust to changes in User class and minor changes in instruction ctors. 
llvm-svn: 19894
 2005-01-29 00:36:19 +00:00
Chris Lattner
e0580122ab Adjust to slight changes in instruction interfaces. 
llvm-svn: 19893
 2005-01-29 00:35:55 +00:00
Chris Lattner
50d674e9da Adjust to changes in User class. 
llvm-svn: 19892
 2005-01-29 00:35:33 +00:00
Chris Lattner
12f9442dc3 Merge InstrTypes.cpp into this file 
Adjust to changes in the User class, operand handling is very different.
PHI node and switch statements must handle explicit resizing of operand
lists.

llvm-svn: 19891
 2005-01-29 00:35:16 +00:00
Chris Lattner
5244a770c3 Adjust to changes in User class. Aggregate constants now must explicitly 
manage their operands.

llvm-svn: 19890
 2005-01-29 00:34:39 +00:00
Chris Lattner
a0498b9190 This file is now merged into Instructions.cpp 
llvm-svn: 19889
 2005-01-29 00:33:32 +00:00
Chris Lattner
d8266ae3dd Adjust to changes in the User class. 
llvm-svn: 19888
 2005-01-29 00:33:00 +00:00
Chris Lattner
941fce0bb5 Adjust to changes in the User class. Introduce a new UnaryInstruction 
class.

llvm-svn: 19887
 2005-01-29 00:32:51 +00:00
Chris Lattner
1567599aae Adjust to user changes. 
llvm-svn: 19886
 2005-01-29 00:32:00 +00:00
Chris Lattner
6e2367383d Many changes to cope with the User.h changes. Instructions now generally 
directly embed their operands.

llvm-svn: 19885
 2005-01-29 00:31:36 +00:00
Chris Lattner
91422cffe4 Adjust to User.h changes. 
llvm-svn: 19884
 2005-01-29 00:30:52 +00:00
Chris Lattner
c6c1106909 Instead of storing operands as std::vector<Use>, just maintain a pointer 
and num operands in the User class.  this allows us to embed the operands
directly in the subclasses if possible.  For example, for binary operators
we store the two operands in the derived class.

The has several effects:
  1. it improves locality because the operands and instruction are together
  2. it makes accesses to operands faster (one less load) if you access them
     through the derived class pointer.  For example this:

Value *GetBinaryOperatorOp(BinaryOperator *I, int i) {
  return I->getOperand(i);
}

Was compiled to:

_Z19GetBinaryOperatorOpPN4llvm14BinaryOperatorEi:
        movl    4(%esp), %edx
        movl    8(%esp), %eax
        sall    $4, %eax
        movl    24(%edx), %ecx
        addl    %ecx, %eax
        movl    (%eax), %eax
        ret

and is now compiled to:

_Z19GetBinaryOperatorOpPN4llvm14BinaryOperatorEi:
        movl    8(%esp), %eax
        movl    4(%esp), %edx
        sall    $4, %eax
        addl    %edx, %eax
        movl    44(%eax), %eax
        ret

Accesses through "Instruction*" are unmodified.

   3. This reduces memory consumption (by about 3%) by eliminating 1 word of
      vector overhead and a malloc header on a seperate object.
   4. This speeds up gccas about 10% (both debug and release builds) on
      large things (such as 176.gcc).  For example, it takes a debug build
      from 172.9 -> 155.6s and a release gccas from 67.7 -> 61.8s

llvm-svn: 19883
 2005-01-29 00:29:39 +00:00
Andrew Lenharth
8a3a14d343 fix ExprMap, partially teach about add long 
llvm-svn: 19882
 2005-01-28 23:17:54 +00:00
Chris Lattner
f893f17907 Fix a nasty thinko in my previous commit. 
llvm-svn: 19881
 2005-01-28 23:17:27 +00:00
Chris Lattner
2755fb4171 Alpha doesn't have a native f32 extload instruction. 
llvm-svn: 19880
 2005-01-28 22:58:25 +00:00
Chris Lattner
da7b5277c1 implement legalization of truncates whose results and sources need to be 
truncated, e.g. (truncate:i8 something:i16) on a 32 or 64-bit RISC.

llvm-svn: 19879
 2005-01-28 22:52:50 +00:00
Chris Lattner
89cac82479 Get alpha working with memset/memcpy/memmove 
llvm-svn: 19878
 2005-01-28 22:29:18 +00:00
Reid Spencer
0931107cf9 Fix some typos in the Makefile.rules. 
Patch contributed by Vladimer Merzliakov.

llvm-svn: 19877
 2005-01-28 19:52:32 +00:00
Chris Lattner
2d1b7e14d2 Hrm, who knows what 'uint' is, but it seems to work sometimes? Wierd. 
llvm-svn: 19876
 2005-01-28 19:37:35 +00:00
Chris Lattner
b035ec4a9c * add some DEBUG statements 
* Properly compile this:

struct a {};
int test() {
  struct a b[2];
  if (&b[0] != &b[1])
    abort ();
  return 0;
}

to 'return 0', not abort().

llvm-svn: 19875
 2005-01-28 19:32:01 +00:00
Chris Lattner
f24ea9cf5e Fix ConstProp/2005-01-28-SetCCGEP.ll: indexing over zero sized elements does 
not change the address.

llvm-svn: 19874
 2005-01-28 19:09:51 +00:00
Chris Lattner
1d8c703bc9 New testcase. 
llvm-svn: 19873
 2005-01-28 19:08:32 +00:00
Chris Lattner
a695542e41 Add some initial documentation for the SelectionDAG based instruction selectors 
llvm-svn: 19872
 2005-01-28 17:22:53 +00:00
Chris Lattner
a7ce993d7f Do not clean up if the MappedFile was never used or if the client already 
closed the file.  This unbreaks the build.

llvm-svn: 19871
 2005-01-28 16:08:23 +00:00
Andrew Lenharth
9db35b0763 fix ExprMap and constant check in setcc 
llvm-svn: 19870
 2005-01-28 14:06:46 +00:00
Jeff Cohen
29092b4f26 Get VC++ compiling again 
llvm-svn: 19869
 2005-01-28 07:29:32 +00:00
Reid Spencer
dab05f06a4 Convert some old C-style casts to C++ style. 
llvm-svn: 19868
 2005-01-28 07:22:20 +00:00
Andrew Lenharth
4cfda09ee9 move FP into it's own select 
llvm-svn: 19867
 2005-01-28 06:57:18 +00:00
Chris Lattner
4134789c8f CopyFromReg produces two values. Make sure that we remember that both are 
legalized, and actually return the correct result when we legalize the chain first.

llvm-svn: 19866
 2005-01-28 06:27:38 +00:00
Chris Lattner
9ed700733d These passes are no more. 
llvm-svn: 19865
 2005-01-28 06:13:52 +00:00
Chris Lattner
fadcc07232 Remove this code as it is currently completely broken and unmaintained. 
If needed, this can be resurrected from CVS.

Note that several of the interfaces (e.g. the IPModRef ones) are supersumed
by generic AliasAnalysis interfaces that have been written since this code
was developed (and they are not DSA specific).

llvm-svn: 19864
 2005-01-28 06:12:46 +00:00
Jeff Cohen
df055196d4 Properly close mapped files. 
llvm-svn: 19863
 2005-01-28 01:17:07 +00:00
Misha Brukman
6ab12b6b90 Mark -parallel pass as `experimental' 
llvm-svn: 19858
 2005-01-27 17:59:51 +00:00
Andrew Lenharth
c0cd77a1a0 stack frame fix and zero FP reg fix 
llvm-svn: 19857
 2005-01-27 08:31:19 +00:00
Andrew Lenharth
55eadc4772 Floating point instructions like Floating point registers 
llvm-svn: 19856
 2005-01-27 07:58:15 +00:00
Andrew Lenharth
67328d7fac int to float conversion and another setcc 
llvm-svn: 19855
 2005-01-27 07:50:35 +00:00
Misha Brukman
b0fce1668a Fix grammar 
llvm-svn: 19854
 2005-01-27 06:46:38 +00:00
Andrew Lenharth
4283bf1216 teach isel about comparison with constants and zero extending bits 
llvm-svn: 19853
 2005-01-27 03:49:45 +00:00
Jeff Cohen
1502dd24d9 Fix some Path bugs 
llvm-svn: 19852
 2005-01-27 03:49:03 +00:00
Andrew Lenharth
b539dd2c83 perhaps this will let me have calls again 
llvm-svn: 19851
 2005-01-27 01:22:48 +00:00
Andrew Lenharth
227bc0e21a minor bug fix 
llvm-svn: 19850
 2005-01-27 00:52:26 +00:00
Andrew Lenharth
ae8ce1856a minor bug fix 
llvm-svn: 19849
 2005-01-27 00:51:05 +00:00
Andrew Lenharth
11fc660a34 added instructions for fp to int to fp moves 
llvm-svn: 19848
 2005-01-26 23:56:48 +00:00