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85dd889ed6
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1203 Commits

Author SHA1 Message Date
Evan Cheng
85dd889ed6 Add load + store folding srl and sra patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24696 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 07:24:22 +00:00
Chris Lattner
d1239b7c69 Use the shared asmprinter code for printing special llvm globals 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24695 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 06:32:50 +00:00
Chris Lattner
a046e0d79f Add ELF and darwin support for static ctors and dtors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24693 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 04:53:51 +00:00
Evan Cheng
c937ffafba Beautify a few patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24690 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 02:40:18 +00:00
Evan Cheng
763b029b28 Some shl patterns which do load + store folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24689 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 02:34:51 +00:00
Evan Cheng
605c415046 A few helper fragments for loads. e.g. (i8 (load addr:$src)) -> (loadi8 addr:$src). Only to improve readibility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24688 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 01:57:51 +00:00
Evan Cheng
0ef3a77bdf Add and, or, and xor patterns which fold load + stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24687 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 01:41:36 +00:00
Evan Cheng
6cad276c90 Add inc + dec patterns which fold load + stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24686 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 01:02:47 +00:00
Evan Cheng
5ce4edb967 Add neg and not patterns which fold load + stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24685 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 00:54:44 +00:00
Evan Cheng
5a38e0210d Missed a couple redundant explicit type casts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24684 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 00:25:07 +00:00
Evan Cheng
9b6b642647 Fix some bad choice of names: i16SExt8 ->i16immSExt8, etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24683 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 00:14:11 +00:00
Evan Cheng
b3558540b6 * 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24682 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-13 00:01:09 +00:00
Evan Cheng
f281e02cbd Add some integer mul patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24681 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-12 23:47:46 +00:00
Evan Cheng
d160d48a2b Add some sub patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24675 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-12 21:54:05 +00:00
Evan Cheng
e5280536a3 When SelectLEAAddr() fails, it shouldn't cause the side effect of having the 
base or index operands being selected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24674 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-12 21:49:40 +00:00
Evan Cheng
cbd6ed4d6b 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.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24673 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-12 20:32:18 +00:00
Chris Lattner
a763969837 remove some never-completed and now-obsolete code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24671 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-12 20:12:20 +00:00
Evan Cheng
ee93f9db87 Add a few more add / store patterns. e.g. ADD32mi8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24670 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-12 19:45:23 +00:00
Evan Cheng
b51a059b2c * Added X86 store patterns. 
* Added X86 dec patterns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24654 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-10 00:48:20 +00:00
Evan Cheng
ab24ed2a32 Added patterns for ADD8rm, etc. These fold load operands. e.g. addb 4(%esp), %al 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24648 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-09 22:48:48 +00:00
Evan Cheng
670fd8f8dd Added explicit type field to ComplexPattern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24637 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-08 02:15:07 +00:00
Evan Cheng
ec693f77c0 * Added intelligence to X86 LEA addressing mode matching routine so it returns 
false if the match is not profitable. e.g. leal 1(%eax), %eax.
* Added patterns for X86 integer loads and LEA32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24635 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-08 02:01:35 +00:00
Chris Lattner
e80242a948 X86 doesn't support sextinreg for 8-bit things either. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24631 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-07 17:59:14 +00:00
Evan Cheng
8d202230b4 Remove unnecessary let hasCtrlDep=1 now it can be inferred. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24611 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-05 23:09:43 +00:00
Chris Lattner
3d36a9f6f4 Several things: 
1. Remove redundant type casts now that PR673 is implemented.
2. Implement the OUT*ir instructions correctly.  The port number really
   *is* a 16-bit value, but the patterns should only match if the number
   is 0-255.  Update the patterns so they now match.
3. Fix patterns for shifts to reflect that the shift amount is always an
   i8, not an i16 as they were believed to be before.  This previous fib
   stopped working when we started knowing that CL has type i8.
4. Change use of i16i8imm in SH*ri patterns to all be imm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24599 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-05 02:40:25 +00:00
Evan Cheng
d35b8c1adb Added isel patterns for RET, JMP, and WRITEPORT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24588 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-04 08:19:43 +00:00
Chris Lattner
df65de42cf Fix PR672 another way which should be more robust 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24585 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-04 06:03:50 +00:00
Chris Lattner
a027ba885a Fix test/Regression/ExecutionEngine/2005-12-02-TailCallBug.ll and PR672. 
This also fixes 177.mesa, the only program that fails with --enable-x86-fastcc
turned on.  Given a clean nightly tester run, we should be able to turn it
on by default!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24578 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-03 07:15:55 +00:00
Chris Lattner
865874c88a add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24572 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-02 00:11:20 +00:00
Nate Begeman
6510b22cec Support multiple ValueTypes per RegisterClass, needed for upcoming vector 
work.  This change has no effect on generated code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24563 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-01 04:51:06 +00:00
Evan Cheng
640f299b44 Proper support for shifts with register shift value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24559 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-12-01 00:43:55 +00:00
Chris Lattner
350d22e14d SelectNodeTo now returns its result, we must pay attention to it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24550 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-30 22:59:19 +00:00
Nate Begeman
85a168a734 Fix a typo in my latest change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24542 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-30 18:57:39 +00:00
Nate Begeman
391c5d231a No longer track value types for asm printer operands, and remove them as 
an argument to every operand printing function.  Requires some slight
tweaks to x86, the only user.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24541 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-30 18:54:35 +00:00
Chris Lattner
5b9bbc8792 Fix a bug in a recent patch that broke shifts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24526 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-30 05:11:18 +00:00
Evan Cheng
bd3d25c6b1 Added support to STORE and shifts to DAG to DAG isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24525 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-30 02:51:20 +00:00
Evan Cheng
345c3f370d Fixed a minor bug: - -offset != offset iff offset == MININT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24522 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-30 01:59:00 +00:00
Evan Cheng
f0701842f7 Add more X86 ISel patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24520 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-29 19:38:52 +00:00
Chris Lattner
f73bae1b73 No targets support line number info yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24513 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-29 06:16:21 +00:00
Chris Lattner
1e4ed93599 Add a missed optimization 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24495 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-28 04:52:39 +00:00
Chris Lattner
ac2902bcb5 Use HasDotTypeDotSizeDirective instead of forELF 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24481 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 23:06:54 +00:00
Chris Lattner
9787c6443f Remove a level of indentation by using a continue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24479 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 22:48:18 +00:00
Chris Lattner
d460f57d65 Simplify the subtarget info, allow the asmwriter to do some target sensing 
based on TargetType.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24478 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 22:43:58 +00:00
Chris Lattner
a35a8e87fa Use subtarget information computed by X86Subtarget instead of rolling our own. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24477 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 22:39:40 +00:00
Chris Lattner
e5600e5509 Make the X86 subtarget compute the basic target type: ELF, Cygwin, Darwin, 
or native Win32


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24476 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 22:31:58 +00:00
Chris Lattner
5df14ca0a1 Add a forELF flag, allowing the removal of forCygwin and simplification of 
conditionals.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24475 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 22:19:48 +00:00
Chris Lattner
8fccc97b0b simplify and genericize this code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24473 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 19:50:31 +00:00
Chris Lattner
69191f8f05 prune #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24468 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 08:33:17 +00:00
Chris Lattner
d939f6c85d Switch to using the shared constant pool printer, along with using shorter 
CPI ids


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24467 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 08:32:23 +00:00
Chris Lattner
8b8b9515d6 Adjust to capitalized AsmPrinter method names 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24456 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-11-21 07:51:23 +00:00