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Author SHA1 Message Date
Evan Cheng
8abe109550 Added sextld + zextld DAG nodes. 
llvm-svn: 24703
 2005-12-14 02:21:01 +00:00
Evan Cheng
65498e21ad Fold (zext (load x) to (zextload x). 
llvm-svn: 24702
 2005-12-14 02:19:23 +00:00
Nate Begeman
09855eafd1 Add support for fmul node of type v4f32. 
void %foo(<4 x float> * %a) {
entry:
  %tmp1 = load <4 x float> * %a;
  %tmp2 = mul <4 x float> %tmp1, %tmp1
  store <4 x float> %tmp2, <4 x float> *%a
  ret void
}

Is selected to:

_foo:
        li r2, 0
        lvx v0, r2, r3
        vxor v1, v1, v1
        vmaddfp v0, v0, v0, v1
        stvx v0, r2, r3
        blr

llvm-svn: 24701
 2005-12-14 00:34:09 +00:00
Nate Begeman
1700fe3f71 Prepare support for AltiVec multiply, divide, and sqrt. 
llvm-svn: 24700
 2005-12-13 22:55:22 +00:00
Reid Spencer
2b33292a67 Adjust the constructor to the Linker class to take an argument that names 
the module being constructed. This is used to correctly name the module.
Previously the name of the linker tool was used which produces confusing
output when the module identifier is used in an error message.

llvm-svn: 24699
 2005-12-13 20:00:37 +00:00
Reid Spencer
519dc24073 Improve ResolveFunctions to: 
a) use better local variable names (OldMT -> OldFT) where "M" is used to
   mean "Function" (perhaps it was previously "Method"?)
b) print out the module identifier in a warning message so that it is
   possible to track down in which module the error occurred.

llvm-svn: 24698
 2005-12-13 19:56:51 +00:00
Chris Lattner
eff6e46178 Don't lump the filename and working dir together 
llvm-svn: 24697
 2005-12-13 17:40:33 +00:00
Evan Cheng
ad1e2fd14a Add load + store folding srl and sra patterns. 
llvm-svn: 24696
 2005-12-13 07:24:22 +00:00
Chris Lattner
95555853ad Use the shared asmprinter code for printing special llvm globals 
llvm-svn: 24695
 2005-12-13 06:32:50 +00:00
Chris Lattner
d27892a194 Add a couple more fields, move ctor init list to .cpp file, add support 
for emitting the ctor/dtor list for common targets.

llvm-svn: 24694
 2005-12-13 06:32:10 +00:00
Chris Lattner
0975e89328 Add ELF and darwin support for static ctors and dtors 
llvm-svn: 24693
 2005-12-13 04:53:51 +00:00
Chris Lattner
1468c52811 reindent a loop, unswitch a loop. No functionality changes 
llvm-svn: 24692
 2005-12-13 04:33:58 +00:00
Nate Begeman
3d420d73e2 Lowering constant pool entries on ppc exposed a bug in the recently added 
ConstantVec legalizing code, which would return constantpool nodes that
were not of the target's pointer type.

llvm-svn: 24691
 2005-12-13 03:03:23 +00:00
Evan Cheng
63f60d3edb Beautify a few patterns. 
llvm-svn: 24690
 2005-12-13 02:40:18 +00:00
Evan Cheng
95d46be9e6 Some shl patterns which do load + store folding. 
llvm-svn: 24689
 2005-12-13 02:34:51 +00:00
Evan Cheng
6beadf1c29 A few helper fragments for loads. e.g. (i8 (load addr:$src)) -> (loadi8 addr:$src). Only to improve readibility. 
llvm-svn: 24688
 2005-12-13 01:57:51 +00:00
Evan Cheng
d233c28d29 Add and, or, and xor patterns which fold load + stores. 
llvm-svn: 24687
 2005-12-13 01:41:36 +00:00
Evan Cheng
62999d6c5d Add inc + dec patterns which fold load + stores. 
llvm-svn: 24686
 2005-12-13 01:02:47 +00:00
Evan Cheng
7f9fb7b095 Add neg and not patterns which fold load + stores. 
llvm-svn: 24685
 2005-12-13 00:54:44 +00:00
Evan Cheng
240071c011 Missed a couple redundant explicit type casts. 
llvm-svn: 24684
 2005-12-13 00:25:07 +00:00
Evan Cheng
e80ec06aaf Fix some bad choice of names: i16SExt8 ->i16immSExt8, etc. 
llvm-svn: 24683
 2005-12-13 00:14:11 +00:00
Evan Cheng
ea7f208813 * Split immSExt8 to i16SExt8 and i32SExt8 for i16 and i32 immediate operands. 
This enables the removal of some explicit type casts.
* Rename immZExt8 to i16ZExt8 as well.

llvm-svn: 24682
 2005-12-13 00:01:09 +00:00
Evan Cheng
0ee9dc460a Add some integer mul patterns. 
llvm-svn: 24681
 2005-12-12 23:47:46 +00:00
Evan Cheng
518610154b Bug fix: CodeGenMap[N] = ... -> CodeGenMap[N.getValue(0)] = ... 
llvm-svn: 24680
 2005-12-12 23:45:21 +00:00
Evan Cheng
1bc6443c22 At top of generated isel SelectCode() is this: 
if (!N.Val->hasOneUse()) {
    std::map<SDOperand, SDOperand>::iterator CGMI = CodeGenMap.find(N);
    if (CGMI != CodeGenMap.end()) return CGMI->second;
  }

Suppose a DAG like this:

           X
         ^   ^
        /     \
      USE1    USE2

Suppose USE1 is being selected first and during which X is selected and
returned a new node. After this, USE1 is no longer an use of X. During USE2
selection, X will be selected again since it has only one use!

The fix is to always query CodeGenMap.

llvm-svn: 24679
 2005-12-12 23:22:48 +00:00
Chris Lattner
b0b4e53b55 Accept and ignore prefetches for now 
llvm-svn: 24678
 2005-12-12 22:51:16 +00:00
Chris Lattner
ea3d25b64a Fix CodeGen/Generic/2005-12-12-ExpandSextInreg.ll 
llvm-svn: 24677
 2005-12-12 22:27:43 +00:00
Chris Lattner
31de4bc6e3 Testcase for a problem that reid ran into 
llvm-svn: 24676
 2005-12-12 22:27:22 +00:00
Evan Cheng
6c9f9ea7ec Add some sub patterns. 
llvm-svn: 24675
 2005-12-12 21:54:05 +00:00
Evan Cheng
76923d3512 When SelectLEAAddr() fails, it shouldn't cause the side effect of having the 
base or index operands being selected.

llvm-svn: 24674
 2005-12-12 21:49:40 +00:00
Evan Cheng
cf34770b28 For ISD::RET, if # of operands >= 2, try selection the real data dep. operand 
first before the chain.
e.g.
int X;

int foo(int x)
{
  x += X + 37;
  return x;
}

If chain operand is selected first, we would generate:
	movl X, %eax
	movl 4(%esp), %ecx
	leal 37(%ecx,%eax), %eax

rather than
	movl $37, %eax
	addl 4(%esp), %eax
	addl X, %eax

which does not require %ecx. (Due to ADD32rm not matching.)

llvm-svn: 24673
 2005-12-12 20:32:18 +00:00
Andrew Lenharth
0a966ac994 fix FP selects 
llvm-svn: 24672
 2005-12-12 20:30:09 +00:00
Chris Lattner
08c38b28db remove some never-completed and now-obsolete code. 
llvm-svn: 24671
 2005-12-12 20:12:20 +00:00
Evan Cheng
145318aefb Add a few more add / store patterns. e.g. ADD32mi8. 
llvm-svn: 24670
 2005-12-12 19:45:23 +00:00
Evan Cheng
e7f40a3b8b Bug fix: finding the correct incoming chain for pattern with nested src operand. And a minor change to make output code slightly more readible. 
llvm-svn: 24669
 2005-12-12 19:37:43 +00:00
Andrew Lenharth
7b9648492b restore a more restricted select 
llvm-svn: 24668
 2005-12-12 17:43:52 +00:00
Chris Lattner
d61c654e67 Implement a little hack for parity with GCC on crafty. This speeds up 
186.crafty by about 16% (from 15.109s to 13.045s) on my system.

This turns allocas with unions/casts into scalars.  For example crafty has
something like this:

    union doub {
      unsigned short i[4];
      long long d;
    };
int f(long long a) {
  return ((union doub){.d=a}).i[1];
}

Instead of generating loads and stores to an alloca, we now promote the
whole thing to a scalar long value.

This implements: Transforms/ScalarRepl/AggregatePromote.ll

llvm-svn: 24667
 2005-12-12 07:19:13 +00:00
Chris Lattner
20ac616376 new testcase: sra should be able to eliminate all of these alloca's, despite 
the presense of pointer casts

llvm-svn: 24666
 2005-12-12 07:18:59 +00:00
Chris Lattner
f514dbda60 Send an indicator to llvm-testresults if the build failed 
llvm-svn: 24665
 2005-12-11 19:55:39 +00:00
Chris Lattner
dc802c4f4c Fix typo :( 
llvm-svn: 24664
 2005-12-11 18:43:13 +00:00
Chris Lattner
a54452fd4f Minor tweak to get isel opt 
llvm-svn: 24663
 2005-12-11 09:05:13 +00:00
Chris Lattner
6f047565cb add selectcc 
llvm-svn: 24662
 2005-12-11 08:35:54 +00:00
Chris Lattner
6d4db7c732 Remove type casts that are no longer needed 
llvm-svn: 24661
 2005-12-11 07:45:47 +00:00
Chris Lattner
762fb5e2f2 Realize the constant pool & global addrs must always be ptr type 
llvm-svn: 24660
 2005-12-11 07:45:04 +00:00
Chris Lattner
d27c96f723 Fix the JIT failures from last night. 
llvm-svn: 24659
 2005-12-11 07:37:41 +00:00
Andrew Lenharth
c432a93381 FP select improvements (and likely breakage), oh and crazy people might want to *return* floating point values. Don't see why myself 
llvm-svn: 24658
 2005-12-11 03:54:31 +00:00
Nate Begeman
a0e26b25f4 Add support for TargetConstantPool nodes to the dag isel emitter, and use 
them in the PPC backend, to simplify some logic out of Select and
SelectAddr.

llvm-svn: 24657
 2005-12-10 02:36:00 +00:00
Evan Cheng
191d0954ff Use SDTCisPtrTy type property for store address. 
llvm-svn: 24656
 2005-12-10 01:59:36 +00:00
Evan Cheng
c8ebe5f6eb Stop emitting a redudant type check for complex pattern node. 
llvm-svn: 24655
 2005-12-10 01:57:33 +00:00
Evan Cheng
56f62789d7 * Added X86 store patterns. 
* Added X86 dec patterns.

llvm-svn: 24654
 2005-12-10 00:48:20 +00:00