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Author SHA1 Message Date
Reid Spencer
af3e9468dc APIntify this pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34863 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-03 00:48:31 +00:00
Reid Spencer
239e4021ce Add isPositive for symmetry with isNegative. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34862 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-03 00:24:39 +00:00
Reid Spencer
bee0f663d8 Finally get this patch right :) 
Replace expensive getZExtValue() == 0 calls with isZero() calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34861 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:51:25 +00:00
Reid Spencer
502db93a8a Dang, I've done that twice now! Undo previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34860 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:37:53 +00:00
Reid Spencer
a5dae0cac0 Use more efficient test for one value in a ConstantInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34859 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:35:28 +00:00
Reid Spencer
4e69f48a0a Guard against huge loop trip counts in an APInt safe way. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34858 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:31:34 +00:00
Evan Cheng
ae6421935b X86-64 VACOPY needs custom expansion. va_list is a struct { i32, i32, i8*, i8* }. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34857 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:16:35 +00:00
Reid Spencer
e8391e039e Make sure debug code is not evaluated in non-debug case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34856 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:15:21 +00:00
Reid Spencer
f1bed4c720 1. Sort switch cases using APInt safe comparison. 
2. Make sure debug output of APInt values is safe for all bit widths.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34855 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:05:28 +00:00
Reid Spencer
4cf735b47e Use APInt safe isOne() method on ConstantInt instead of getZExtValue()==1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34854 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:03:17 +00:00
Reid Spencer
e1c99d4c69 Make sorting of ConstantInt be APInt clean through use of ult function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34853 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:01:14 +00:00
Reid Spencer
46f9c94bdd Fix ashr for bitwidths > 64. This is now validated up to 1024 bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34852 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 22:39:11 +00:00
Anton Korobeynikov
e6efc85939 Fix uninitialized use of variable. Remove tabs and fix identation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34850 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 22:19:41 +00:00
Anton Korobeynikov
f7dcfa81c5 Simplify things 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34849 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 21:50:27 +00:00
Chris Lattner
dbab386e23 Fix a significant algorithm problem with the instcombine worklist. removing 
a value from the worklist required scanning the entire worklist to remove all
entries.  We now use a combination map+vector to prevent duplicates from
happening and prevent the scan.  This speeds up instcombine on a large file
from the llvm-gcc bootstrap from 189.7s to 4.84s in a debug build and from
5.04s to 1.37s in a release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34848 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 21:28:56 +00:00
Chris Lattner
f22a5c6e9e minor cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34846 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 19:59:19 +00:00
Chris Lattner
155b6220f7 Fix PR1234 by working around a compiler bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34845 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 18:16:29 +00:00
Evan Cheng
5de3b7f351 Mark dead def as unused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34844 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 10:43:16 +00:00
Evan Cheng
7b466d0481 Dead live-in detection bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34843 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 10:41:15 +00:00
Evan Cheng
c6214693a4 Add a new test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34842 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 10:37:19 +00:00
Evan Cheng
6b448092bf - Keep track all def and uses of stack slot available in register. 
- Available value use may be deleted (e.g. noop move).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34841 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 08:52:00 +00:00
Chris Lattner
68cbcee824 testcase for PR1233 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34840 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 07:29:59 +00:00
Evan Cheng
c3dd314b78 Invalidate last use of a reused register if the use is a deleted noop copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34839 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 05:41:42 +00:00
Chris Lattner
82932a5e4a argument lowering should copy from the vreg shadows of live-in arguments 
passed in registers, not directly from the pregs themselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34838 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 05:12:29 +00:00
Chris Lattner
9b6f57c303 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34837 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 05:04:52 +00:00
Owen Anderson
a505fb6d9f Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34836 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 05:03:07 +00:00
Reid Spencer
f09aef7698 Use a better algorithm for rounding sqrt results. Change the FIXME about 
this to a NOTE: because pari/gp results start to get rounded incorrectly
after 192 bits of precision. APInt and pari/gp never differ by more than
1, but APInt is more accurate because it does not lose precision after 192
bits as does pari/gp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34834 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 04:21:55 +00:00
Nick Lewycky
c6a28fcf5d Implement unionWith. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34833 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 03:33:05 +00:00
Chris Lattner
67ef241f45 switch the inliner from being recursive to being iterative. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34832 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 03:11:20 +00:00
Reid Spencer
9b4aeb3cc1 Fix an unequal bitwidth issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34831 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 02:59:25 +00:00
Chris Lattner
d2dceea3f3 grammaro 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34830 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 02:57:34 +00:00
Evan Cheng
0eca22af62 Make it 64-bit safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34829 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 02:31:37 +00:00
Reid Spencer
9bf94a4a9f Add a FIXME 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34828 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 02:01:34 +00:00
Reid Spencer
4474d87fd3 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34826 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 01:31:31 +00:00
Reid Spencer
36184ed4cd Fix a problem where shifting by 64-bits leads to incorrect results on PPC 
but not on X86 becuase shift by word size is "undefined".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34825 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 01:19:42 +00:00
Dale Johannesen
9f8e50d4ed eliminate unnecessary reset of SP in epilog on darwin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34824 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 01:17:17 +00:00
Reid Spencer
513d0f25ed Reverse a premature commital. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34822 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 00:31:39 +00:00
Reid Spencer
cae5754619 Prefer non-virtual calls to ConstantInt::isZero over virtual calls to 
Constant::isNullValue() in situations where it is possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34821 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 00:28:52 +00:00
Reid Spencer
34da0ac28f Add a non-virtual test for zero, isZero, and rename isUnitValue isOne. 
These will be used in upcoming patches to avoid virtual function call when
the client knows it is a ConstantInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34820 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 00:27:06 +00:00
Reid Spencer
b45a221348 Add an abs() function to get the absolute value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34819 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 23:37:09 +00:00
Reid Spencer
295e40aa5c Combine two lines that can be. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34818 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 23:30:25 +00:00
Reid Spencer
dbf6d37b0b Remove virtual keyword from method that doesn't need to be virtual. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34817 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 23:20:52 +00:00
Reid Spencer
35fa43907e Make it possible to create an SCEVUnknown from an APInt as well as an int. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34816 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 22:28:51 +00:00
Reid Spencer
a3507ebd33 Although probably not necessary, guard against a potential assertion by 
using isNullValue() instead of getZExtValue() == 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34815 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 21:54:37 +00:00
Reid Spencer
4da0451821 Use isUnitValue() instead of getZExtValue() == 1 which will prevent an 
assert if the ConstantInt's value is large.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34814 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 21:51:23 +00:00
Reid Spencer
37eeaa729b Add an isUnitValue method for comparison against 1. This just follows a 
common pattern with isNullValue, isAllOnesValue, etc. It also helps to
prevent things like getZExtValue() == 1, which could assert for large
bitwidths.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34813 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 21:50:41 +00:00
Owen Anderson
c100b96b15 Use GCC intrinsics when available, and use smarter fallbacks when not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34812 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 21:16:30 +00:00
Reid Spencer
97b4ee34ed Clarify the use of getValue/getSExtValue/getZExtValue and add the new 
APInt constructor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34811 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 21:05:33 +00:00
Reid Spencer
a0e0129e3f Use APInt conversion to string so the result is correct regardless of the 
bit width of the ConstantInt being converted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34810 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 21:00:32 +00:00
Reid Spencer
7029725851 Make output for ConstantInt construction correct for any bitwidth. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34809 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 20:55:43 +00:00