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Author SHA1 Message Date
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
Chris Lattner
2b616c0c0a implement CCPromoteToType 
llvm-svn: 34720
 2007-02-28 04:43:48 +00:00
Reid Spencer
4bda45f38d Describe how arbitrary precision integers are written to the bytecode. 
llvm-svn: 34719
 2007-02-28 02:33:06 +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
Reid Spencer
14d26ed070 Implement support for aribrary precision integers by creating two new 
tokens: ESAPINTVAL and EUAPINTVAL and adding an APInt* as a semantic value.
This allows us to extend the definition of an integer constant to allow
arbitrary precision integer constant values.

llvm-svn: 34714
 2007-02-28 02:23:44 +00:00
Reid Spencer
949b3612a8 getActiveWords should return the number of words, not the index of the 
highest active words. Increment its result by one.

llvm-svn: 34713
 2007-02-28 02:20:49 +00:00
Reid Spencer
b1eaa7bd52 Fix a bug in RoundDoubleToAPInt where it would force the size to 64 bits 
instead of honoring the client's requested bit width.

llvm-svn: 34712
 2007-02-28 01:30:08 +00:00
Evan Cheng
db591ecaa8 Make requiresRegisterScavenging determination on a per MachineFunction basis. 
llvm-svn: 34711
 2007-02-28 00:59:19 +00:00
Evan Cheng
f9a8f61e1b Fix test case. 
llvm-svn: 34710
 2007-02-28 00:36:33 +00:00
Evan Cheng
cfb0f8cfc6 Temporary: make R12 available in ARM mode if RegScavenger is being used. 
llvm-svn: 34709
 2007-02-28 00:22:44 +00:00
Evan Cheng
fa23d8e51f Start making use of RegScavenger. 
llvm-svn: 34708
 2007-02-28 00:21:58 +00:00
Evan Cheng
116f97f2c7 PEI now passes a RegScavenger ptr to eliminateFrameIndex. 
llvm-svn: 34707
 2007-02-28 00:21:17 +00:00
Evan Cheng
ee2e5de4fb MRegisterInfo disowns RegScavenger. It's immutable. 
llvm-svn: 34706
 2007-02-28 00:17:36 +00:00
Reid Spencer
e306ef6798 Join two lines that can be joined. 
llvm-svn: 34705
 2007-02-27 23:49:07 +00:00
Reid Spencer
355cec42d1 Add some syntactic sugar. 
llvm-svn: 34704
 2007-02-27 23:47:33 +00:00
Reid Spencer
24430077d5 Pull out the stops. 
llvm-svn: 34703
 2007-02-27 23:33:03 +00:00
Reid Spencer
58f7a497bb Remove some redundancy. 
llvm-svn: 34702
 2007-02-27 23:27:26 +00:00
Evan Cheng
4357509984 Minor tweak. Allocate r0 to r3 in reverse order, r3 is least likely to be livein to a function. 
llvm-svn: 34701
 2007-02-27 23:03:55 +00:00
Evan Cheng
ec12bdd7ea Some more code clean up. 
llvm-svn: 34700
 2007-02-27 22:58:43 +00:00
Chris Lattner
da909a2df7 reenable generation of CC info 
llvm-svn: 34699
 2007-02-27 22:12:19 +00:00
Evan Cheng
2402ddad92 Oops. 
llvm-svn: 34698
 2007-02-27 22:10:52 +00:00
Chris Lattner
35b160f990 reapply 
llvm-svn: 34697
 2007-02-27 22:08:27 +00:00
Chris Lattner
33bdd3ed53 *** empty log message *** 
llvm-svn: 34696
 2007-02-27 22:05:51 +00:00
Reid Spencer
edbe747bab Implement countLeadingOnes() and getMinSignedBits(). This helps to minimize 
the bit width of negative numbers by computing the minimum bit width for a
negative value. E.g. 0x1800000000000000 could be just 0x8000000000000000

llvm-svn: 34695
 2007-02-27 21:59:26 +00:00
Evan Cheng
b314459812 Back out previous commit temporarily. 
llvm-svn: 34694
 2007-02-27 21:47:22 +00:00
Evan Cheng
06b5bb9888 Backing out 
CodeGenTarget.cpp updated: 1.82 -> 1.83
Record.cpp updated: 1.55 -> 1.56
Record.h updated: 1.59 -> 1.60
TableGen.cpp updated: 1.47 -> 1.48
It's missing CallingConvEmitter.h

llvm-svn: 34693
 2007-02-27 21:44:08 +00:00
Evan Cheng
a19dd6f388 Let MRegisterInfo now owns RegScavenger; eliminateFrameIndex must preserve register kill info. 
llvm-svn: 34692
 2007-02-27 21:12:35 +00:00
Evan Cheng
4c4e56df47 Let MRegisterInfo now owns RegScavenger. 
llvm-svn: 34691
 2007-02-27 21:10:33 +00:00
Evan Cheng
f03b87c1ff RegScavenger interface change to make it more flexible. 
llvm-svn: 34690
 2007-02-27 21:09:48 +00:00
Evan Cheng
11d5b762b9 Let MRegisterInfo owns RegScavenger. 
llvm-svn: 34689
 2007-02-27 21:08:07 +00:00
Evan Cheng
561bf1736e Pass IsImp, IsKill, and IsDead to ChangeToRegister. 
llvm-svn: 34688
 2007-02-27 21:06:57 +00:00
Reid Spencer
3a22b776c7 This test passes on x86/Linux now. 
llvm-svn: 34686
 2007-02-27 20:46:44 +00:00
Chris Lattner
0d05dc2523 implement CCMatchIfCC in terms of CCMatchIf 
llvm-svn: 34685
 2007-02-27 20:45:02 +00:00
Chris Lattner
4d29a90170 build cc info 
llvm-svn: 34684
 2007-02-27 20:44:31 +00:00
Chris Lattner
22444dbc7c target for generating CC info 
llvm-svn: 34683
 2007-02-27 20:44:12 +00:00
Chris Lattner
5e2b19c767 initial support for calling convention generation, still unfinished. 
llvm-svn: 34682
 2007-02-27 20:43:37 +00:00
Reid Spencer
8178fd7bd5 Adjust to changes in the APInt interface. 
llvm-svn: 34681
 2007-02-27 20:25:25 +00:00
Reid Spencer
9e66d0921a Improve APInt interface: 
1. Add unsigned and signed versions of methods so a "bool" argument doesn't
   need to be passed in.
2. Make the various getMin/getMax functions all be inline since they are
   so simple.
3. Simplify sdiv and srem code.

llvm-svn: 34680
 2007-02-27 20:24:31 +00:00
Reid Spencer
e0c8670bfe Conform to single person attribution in file comment. 
llvm-svn: 34678
 2007-02-27 19:31:09 +00:00
Reid Spencer
a3b5b71616 For PR1205: 
Implement review feedback:
1. Use new APInt::RoundDoubleToAPInt interface to specify the bit width so
   that we don't have to truncate or extend in constant folding.
2. Fix a pasteo in SDiv that prevented a check for overflow.
3. Fix the shift operators: undef happens when the shift amount is equal
   to the bitwidth.

llvm-svn: 34677
 2007-02-27 19:29:54 +00:00
Reid Spencer
76197d85b6 Update for constant folding now generating undef and overflow correctly. 
llvm-svn: 34676
 2007-02-27 19:26:40 +00:00
Reid Spencer
e7fb34b1de Shifting by the bit width now produces undef, not 0. 
llvm-svn: 34675
 2007-02-27 19:22:36 +00:00
Reid Spencer
b61f731ddd 1. Fix three serious bugs in the comparison code. 
2. Change RoundDoubleToAPInt to take a bit width parameter. Use that
   parameter to limit the bit width of the result.

llvm-svn: 34673
 2007-02-27 18:23:40 +00:00
Reid Spencer
612dfe195b Allow the RoundDoubleToAPInt function to specify a width to use. 
llvm-svn: 34672
 2007-02-27 18:22:31 +00:00
Chris Lattner
da49dee51d a note 
llvm-svn: 34670
 2007-02-27 17:21:09 +00:00
Devang Patel
89791371ce Make getPassManagerType() const. 
llvm-svn: 34669
 2007-02-27 15:00:39 +00:00