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17679 Commits

Author SHA1 Message Date
Reid Spencer
3e3980a403 Fix ashr for bitwidths > 64. This is now validated up to 1024 bits. 
llvm-svn: 34852
 2007-03-02 22:39:11 +00:00
Anton Korobeynikov
7cec92bcd2 Simplify things 
llvm-svn: 34849
 2007-03-02 21:50:27 +00:00
Chris Lattner
e11cd0460a 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.

llvm-svn: 34848
 2007-03-02 21:28:56 +00:00
Chris Lattner
fb4d1a6437 minor cleanup 
llvm-svn: 34846
 2007-03-02 19:59:19 +00:00
Evan Cheng
9dddb88209 Mark dead def as unused. 
llvm-svn: 34844
 2007-03-02 10:43:16 +00:00
Evan Cheng
5bd925036c Dead live-in detection bug. 
llvm-svn: 34843
 2007-03-02 10:41:15 +00:00
Evan Cheng
e2802973eb - Keep track all def and uses of stack slot available in register. 
- Available value use may be deleted (e.g. noop move).

llvm-svn: 34841
 2007-03-02 08:52:00 +00:00
Evan Cheng
622db28794 Invalidate last use of a reused register if the use is a deleted noop copy. 
llvm-svn: 34839
 2007-03-02 05:41:42 +00:00
Chris Lattner
55dcf58453 argument lowering should copy from the vreg shadows of live-in arguments 
passed in registers, not directly from the pregs themselves.

llvm-svn: 34838
 2007-03-02 05:12:29 +00:00
Chris Lattner
e29ef5d9cb add a note 
llvm-svn: 34837
 2007-03-02 05:04:52 +00:00
Reid Spencer
6d483da6c0 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.

llvm-svn: 34834
 2007-03-02 04:21:55 +00:00
Nick Lewycky
29f7380f34 Implement unionWith. 
llvm-svn: 34833
 2007-03-02 03:33:05 +00:00
Chris Lattner
4fbb8286bf switch the inliner from being recursive to being iterative. 
llvm-svn: 34832
 2007-03-02 03:11:20 +00:00
Reid Spencer
89154fbfff Fix an unequal bitwidth issue. 
llvm-svn: 34831
 2007-03-02 02:59:25 +00:00
Reid Spencer
39b817765b Add a FIXME 
llvm-svn: 34828
 2007-03-02 02:01:34 +00:00
Reid Spencer
eabc981a60 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".

llvm-svn: 34825
 2007-03-02 01:19:42 +00:00
Dale Johannesen
a6003a9eb6 eliminate unnecessary reset of SP in epilog on darwin 
llvm-svn: 34824
 2007-03-02 01:17:17 +00:00
Reid Spencer
2814c17704 Reverse a premature commital. 
llvm-svn: 34822
 2007-03-02 00:31:39 +00:00
Reid Spencer
1f970769e8 Prefer non-virtual calls to ConstantInt::isZero over virtual calls to 
Constant::isNullValue() in situations where it is possible.

llvm-svn: 34821
 2007-03-02 00:28:52 +00:00
Reid Spencer
f8f8413839 Combine two lines that can be. 
llvm-svn: 34818
 2007-03-01 23:30:25 +00:00
Reid Spencer
ee77d22f26 Make it possible to create an SCEVUnknown from an APInt as well as an int. 
llvm-svn: 34816
 2007-03-01 22:28:51 +00:00
Reid Spencer
e5456dea52 Although probably not necessary, guard against a potential assertion by 
using isNullValue() instead of getZExtValue() == 0.

llvm-svn: 34815
 2007-03-01 21:54:37 +00:00
Reid Spencer
3a7689fe22 Use isUnitValue() instead of getZExtValue() == 1 which will prevent an 
assert if the ConstantInt's value is large.

llvm-svn: 34814
 2007-03-01 21:51:23 +00:00
Reid Spencer
327ae8b712 Use APInt conversion to string so the result is correct regardless of the 
bit width of the ConstantInt being converted.

llvm-svn: 34810
 2007-03-01 21:00:32 +00:00
Reid Spencer
5790924b21 Use the APInt versions of the bit-wise conversions of float/double to int 
and back. While this is not strictly necessary, it does pave the way for
future changes in casting. It should now be possible to improve vector
casting to deal with un-equal fp/int sizes.

llvm-svn: 34808
 2007-03-01 20:44:23 +00:00
Reid Spencer
5d9574f37e Use modern variable name. ConstantUnsignedInt is long since dead. No 
functional change with this patch.

llvm-svn: 34806
 2007-03-01 20:27:41 +00:00
Jim Laskey
0b6492d5df Emit eh filter info. 
llvm-svn: 34805
 2007-03-01 20:26:43 +00:00
Jim Laskey
73e3ad1b10 Collect eh filter info. 
llvm-svn: 34804
 2007-03-01 20:25:32 +00:00
Reid Spencer
d7c97384ac Use a simpler constructor for ConstantInt. 
llvm-svn: 34803
 2007-03-01 20:25:31 +00:00
Jim Laskey
5f932644e9 Lower eh filter intrinsic. 
llvm-svn: 34802
 2007-03-01 20:24:30 +00:00
Reid Spencer
381752cb34 Wrap a long line. 
llvm-svn: 34799
 2007-03-01 19:48:16 +00:00
Reid Spencer
30758bbe85 Avoid a potential assert out if the loop increment is > 64 bits. 
llvm-svn: 34798
 2007-03-01 19:45:00 +00:00
Reid Spencer
29c98b589c Regenerate. 
llvm-svn: 34797
 2007-03-01 19:41:47 +00:00
Reid Spencer
30eac3e0b1 The 64-bit constructor for ConstantInt changes from int64_t to uint64_t. 
This caused a warning for construction with -1. Avoid the warning by using
-1ULL instead.

llvm-svn: 34796
 2007-03-01 19:33:52 +00:00
Reid Spencer
288f1db60d Construct ConstantInt with simpler constructor. 
llvm-svn: 34795
 2007-03-01 19:32:33 +00:00
Reid Spencer
125af87a25 Use a simpler constructor when constructing ConstantInt. Also, replace 
verbose code to sext/trunc or zext/trunc and APInt with new methods on
that class.

llvm-svn: 34794
 2007-03-01 19:32:01 +00:00
Reid Spencer
b0a7bfa105 Use a simpler constructor when constructing ConstantInst. 
llvm-svn: 34793
 2007-03-01 19:31:12 +00:00
Reid Spencer
b4e877c488 Drop the ConstantInt(const Type&, const APInt&) constructor. It is 
redundant and more verbose than the ConstantInt(const APInt&) constructor.

llvm-svn: 34792
 2007-03-01 19:30:34 +00:00
Reid Spencer
c94231581b Make the static table of results in sqrt const. 
llvm-svn: 34791
 2007-03-01 17:47:31 +00:00
Reid Spencer
18d663b62c Fix last night's 445.gobmk breakage which was caused by comparison of 
APInt's of unequal bitwidth.

llvm-svn: 34790
 2007-03-01 17:17:21 +00:00
Reid Spencer
6a95676875 Add methods for bit width modification: sextOrTrunc, zextOrTrunc. 
llvm-svn: 34789
 2007-03-01 17:15:32 +00:00
Anton Korobeynikov
eaf27d276a Ensure that fastcall'ed function is correctly mangled & stack is 
properly aligned

llvm-svn: 34788
 2007-03-01 16:29:22 +00:00
Nicolas Geoffray
4b5b81198a Implemented the frameaddress intrinsic for PPC. 
llvm-svn: 34787
 2007-03-01 13:11:38 +00:00
Evan Cheng
7d470c14cf Delete register scavenger when done with it. 
llvm-svn: 34786
 2007-03-01 10:23:33 +00:00
Evan Cheng
07dcde8ba2 Use a spilled free callee-saved register as scratch register. 
llvm-svn: 34785
 2007-03-01 08:57:52 +00:00
Evan Cheng
0aa68b9246 Add a version of FindUnusedReg that restrict search to a specific set of registers. 
llvm-svn: 34784
 2007-03-01 08:56:24 +00:00
Evan Cheng
8d3d4155e5 - Track which callee-saved registers are spilled. 
- Some code clean up.

llvm-svn: 34783
 2007-03-01 08:26:31 +00:00
Reid Spencer
3f3487918c Remove the "isSigned" parameters from ConstantRange. It turns out they 
are not needed as the results are the same with or without it.

Patch by Nicholas Lewycky.

llvm-svn: 34782
 2007-03-01 07:54:15 +00:00
Evan Cheng
f771a323c2 Switch from std::vector<bool> to BitVector. 
llvm-svn: 34781
 2007-03-01 07:52:44 +00:00
Reid Spencer
036051c002 APIntify various computations in ScalarEvolution 
llvm-svn: 34780
 2007-03-01 07:25:48 +00:00
Reid Spencer
0d77fe7f06 Use a real table in sqrt to shorten and quicken the code. 
Thanks for the idea Chris.

llvm-svn: 34779
 2007-03-01 06:23:32 +00:00
Bill Wendling
2aabf75e82 Get rid of verboten <iostream> include. 
llvm-svn: 34777
 2007-03-01 06:05:39 +00:00
Reid Spencer
b6dd32889e Add a square root function. 
llvm-svn: 34775
 2007-03-01 05:39:56 +00:00
Reid Spencer
32d0051c64 Reduce #includage by taking a method out of line. 
llvm-svn: 34774
 2007-03-01 04:02:06 +00:00
Evan Cheng
ad431d7a94 A restore is promoted to copy (or deleted entirely), remove the kill from the last use of the targetted register. 
llvm-svn: 34773
 2007-03-01 02:27:30 +00:00
Evan Cheng
ce7f2618a9 Interface clean up. 
llvm-svn: 34772
 2007-03-01 02:25:51 +00:00
Evan Cheng
15a878202b Interface clean up. 
llvm-svn: 34770
 2007-03-01 02:19:39 +00:00
Evan Cheng
938b4d7817 Oops. 
llvm-svn: 34768
 2007-03-01 02:05:35 +00:00
Evan Cheng
d1fa618990 Track all joined registers and eliminate unneeded kills after all joining are done. 
llvm-svn: 34767
 2007-03-01 02:03:03 +00:00
Reid Spencer
67eedb21b7 For PR1205: 
Make GetConstantFactor compute its result using an APInt.

llvm-svn: 34765
 2007-02-28 23:31:17 +00:00
Dale Johannesen
f38e3d7085 Changes requested in review of last pass. Also pulled isThumb into a 
member, instead of resetting in every function that uses it.

llvm-svn: 34764
 2007-02-28 23:20:38 +00:00
Evan Cheng
5dc0ece7cb Doh. ARM::PC is obvious a reserved register. 
llvm-svn: 34763
 2007-02-28 23:12:34 +00:00
Reid Spencer
19e5279a38 For PR1205: 
Adjust to changes in ConstantRange interface.

llvm-svn: 34762
 2007-02-28 22:03:51 +00:00
Reid Spencer
f119927a6f Move ConstantRange class to lib/Support from lib/Analysis and make its 
interface not depend on Type or ICmpInst.

llvm-svn: 34761
 2007-02-28 22:02:48 +00:00
Reid Spencer
f632e1cd14 Provide an ICmpInst::makeConstantRange to generate a ConstantRange value 
from a predicate and an APInt. This is removed from ConstantRange class
so that ConstantRange doesn't have to depend on lib/VMCore.

llvm-svn: 34760
 2007-02-28 22:00:54 +00:00
Jim Laskey
6dd0f88e75 Chain is on second operand. 
llvm-svn: 34759
 2007-02-28 20:43:58 +00:00
Reid Spencer
965067a054 For PR1205: 
Remove ConstantInt from ConstantRange interface and adjust its users to
compensate.

llvm-svn: 34758
 2007-02-28 19:57:34 +00:00
Reid Spencer
a9d0cc903b Implement a convenience method to construct a ConstantInt directly from an 
APInt. The implied type is the integer type that corresponds to the bit
width of the APInt.

llvm-svn: 34757
 2007-02-28 19:50:21 +00:00
Reid Spencer
e2b4631435 For PR1205: 
First round of ConstantRange changes. This makes all CR constructors use
only APInt and not use ConstantInt. Clients are adjusted accordingly.

llvm-svn: 34756
 2007-02-28 18:57:32 +00:00
Dale Johannesen
5ec68034ee Add intelligence about where to break large blocks. 
llvm-svn: 34755
 2007-02-28 18:41:23 +00:00
Chris Lattner
bcc44762bc remove dead option 
llvm-svn: 34754
 2007-02-28 18:39:53 +00:00
Jim Laskey
6b2170fefe Handle mix of personalities. 
llvm-svn: 34752
 2007-02-28 18:38:31 +00:00
Jim Laskey
1fea0fa316 Provide a more meaningful name. 
llvm-svn: 34751
 2007-02-28 18:37:50 +00:00
Jim Laskey
83d6baee5b MERGE_VALUES unnecessary. 
llvm-svn: 34750
 2007-02-28 18:37:04 +00:00
Chris Lattner
d8c7e8999e bugfix: fastcall does not require the first two params to be marked 'inreg', 
they always get registers.

llvm-svn: 34748
 2007-02-28 18:35:11 +00:00
Reid Spencer
2b933467ad For PR1205: 
Convert ConstantRange class to use APInt internally as its value type for
the constant range, instead of ConstantInt.

llvm-svn: 34745
 2007-02-28 17:36:23 +00:00
Reid Spencer
d91c898cc0 Make the trunc/sext/zext methods return APInt& so that these operations 
can be chained together with other operations.

llvm-svn: 34743
 2007-02-28 17:34:32 +00:00
Nate Begeman
7beafa54b3 Fix a typo, thanks Bill! 
llvm-svn: 34741
 2007-02-28 09:16:38 +00:00
Nate Begeman
2288ec3331 More Mach-O writer improvements. 
llvm-svn: 34740
 2007-02-28 07:40:50 +00:00
Chris Lattner
a66d550298 use high-level functions in CCState 
llvm-svn: 34739
 2007-02-28 07:09:55 +00:00
Chris Lattner
6d383bd2f1 add methods for analysis of call results and return nodes. 
llvm-svn: 34738
 2007-02-28 07:09:40 +00:00
Chris Lattner
3663b6e73a make use of helper functions in CCState for analyzing formals and calls. 
llvm-svn: 34737
 2007-02-28 07:00:42 +00:00
Chris Lattner
a68a949ba5 add methods to analyze calls and formals. 
llvm-svn: 34736
 2007-02-28 06:56:37 +00:00
Chris Lattner
5a20764bbb add a newline at end of file 
llvm-svn: 34735
 2007-02-28 06:42:11 +00:00
Chris Lattner
3762b44a0c switch LowerFastCCCallTo over to using the new fastcall description. 
llvm-svn: 34734
 2007-02-28 06:26:33 +00:00
Chris Lattner
a8dd712470 switch LowerFastCCArguments over to using the autogenerated Fastcall description. 
llvm-svn: 34733
 2007-02-28 06:21:19 +00:00
Chris Lattner
9a1f1c41b0 add new CC_X86_32_FastCall calling conv, which describes fastcall on win32. 
Factor out a CC_X86_32_Common convention, which is the part shared between
ccc, stdcall and fastcall

llvm-svn: 34732
 2007-02-28 06:20:01 +00:00
Chris Lattner
3b16744840 rearrange code 
llvm-svn: 34731
 2007-02-28 06:10:12 +00:00
Chris Lattner
023751c20b remove fastcc (not fastcall) support 
llvm-svn: 34730
 2007-02-28 06:05:16 +00:00
Chris Lattner
012066f78b switch LowerCCCArguments over to using autogenerated CC. 
llvm-svn: 34729
 2007-02-28 05:46:49 +00:00
Chris Lattner
6424f8e245 simplify sret handling 
llvm-svn: 34728
 2007-02-28 05:39:26 +00:00
Chris Lattner
76147834d6 switch LowerCCCCallTo over to using an autogenerated callingconv 
llvm-svn: 34727
 2007-02-28 05:31:48 +00:00
Chris Lattner
d663281088 rename stuff 
llvm-svn: 34726
 2007-02-28 05:30:29 +00:00
Chris Lattner
99f65b22c9 rename some CCActions, add CCIfInReg 
llvm-svn: 34725
 2007-02-28 05:29:33 +00:00
Chris Lattner
eef57fed6e switch return value passing and the x86-64 calling convention information 
over to being autogenerated from the X86CallingConv.td file.

llvm-svn: 34722
 2007-02-28 04:55:35 +00:00
Chris Lattner
3eb95551d7 make subtarget references work. 
llvm-svn: 34721
 2007-02-28 04:51:41 +00:00
Reid Spencer
f8e59cd357 Implement reading of arbitrary precision integers. 
llvm-svn: 34718
 2007-02-28 02:25:48 +00:00
Reid Spencer
4beda9543b Implement writing of arbitrary precision integers. 
llvm-svn: 34717
 2007-02-28 02:25:20 +00:00
Reid Spencer
2f6d8e2243 Regenerate. 
llvm-svn: 34716
 2007-02-28 02:24:54 +00:00
Reid Spencer
36f506df46 Implement arbitrary integer constants through the use of APInt values. 
Positive, negative, and hexadecimal integer constants will now return an
APInt for values having > 64 bits of precision.

llvm-svn: 34715
 2007-02-28 02:24:27 +00:00