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Author SHA1 Message Date
Owen Anderson
94e3511ef6 Unconst-ify stuff that broke the build. 
llvm-svn: 35843
 2007-04-09 23:08:26 +00:00
Owen Anderson
3d132f812a Const-ify some parameters, and some cosmetic cleanups. No functionality 
change.

llvm-svn: 35842
 2007-04-09 22:54:50 +00:00
Owen Anderson
148566d2e3 Tabs -> Spaces 
llvm-svn: 35841
 2007-04-09 22:31:43 +00:00
Chris Lattner
ae6e2c0ee5 remove some dead target hooks, subsumed by isLegalAddressingMode 
llvm-svn: 35840
 2007-04-09 22:27:04 +00:00
Owen Anderson
6f5fe179cc Improve some _slow_ behavior introduced in my patches the last few days. 
llvm-svn: 35839
 2007-04-09 22:25:09 +00:00
Devang Patel
f954669cc9 Add Loop Rotate test cases. 
llvm-svn: 35838
 2007-04-09 22:22:42 +00:00
Chris Lattner
87c89cafb2 switch LSR to use isLegalAddressingMode instead of other simpler hooks 
llvm-svn: 35837
 2007-04-09 22:20:14 +00:00
Devang Patel
70205cceea Check _all_ PHINodes. 
llvm-svn: 35836
 2007-04-09 22:20:10 +00:00
Chris Lattner
b4ef9c8be3 Fix a bug in PPCTargetLowering::isLegalAddressingMode, scales other than 0/1/2 
are always unsupported.

llvm-svn: 35835
 2007-04-09 22:10:05 +00:00
Anton Korobeynikov
6e6b2d493a Use integer log for metric calculation 
llvm-svn: 35834
 2007-04-09 21:57:03 +00:00
Devang Patel
5392489e86 Insert new pre-header before new header. Original pre-header may 
happen to be an entry, in such case, it is not a good idea to
insert new block before entry.

Also fix typo in assertion check.

llvm-svn: 35833
 2007-04-09 21:40:43 +00:00
Chris Lattner
b31e6eee0c add a default ctor for AddrMode. 
llvm-svn: 35832
 2007-04-09 21:18:34 +00:00
Chris Lattner
d186d37694 Fix a bug where calling materializeModule could corrupt the module, reading 
multiple copies of the function into the Function*.

llvm-svn: 35831
 2007-04-09 20:28:40 +00:00
Devang Patel
cdea453adb Preserve canonical loop form. 
llvm-svn: 35829
 2007-04-09 20:19:46 +00:00
Jeff Cohen
f489bef844 When the number of elements is zero, don't malloc 32GB on 64-bit systems. 
Fixes unexpected failures on FreeBSD/amd64 of:
  CFrontend/2005-09-24-BitFieldCrash.c:
  CFrontend/2007-02-04-EmptyStruct.c:
  CFrontend/2007-03-26-ZeroWidthBitfield.c:
  CodeGen/Generic/2005-10-18-ZeroSizeStackObject.ll:

llvm-svn: 35828
 2007-04-09 19:26:30 +00:00
Reid Spencer
60da7b09e7 Don't link against System or Support library. These things will already 
be in the opt tool.

llvm-svn: 35827
 2007-04-09 19:17:47 +00:00
Reid Spencer
663a744d4b Speed up installation a bit by ignoring .svn directories. 
Patch by Scott Michel.

llvm-svn: 35826
 2007-04-09 19:08:58 +00:00
Devang Patel
9263a797b3 Do not create new pre-header. Reuse original pre-header. 
llvm-svn: 35825
 2007-04-09 19:04:21 +00:00
Reid Spencer
93a57ef458 For PR1146: 
* Add ParamAttrs to InvokeInst class too.
* Make sure all initializes of ParamAttrs in CallInst and InvokeInst are 0
* Destruct the ParamAttrs in Call/Invoke destructors to avoid memory
  leaks. This will change when ParamAttrsList is uniquified but needs to
  be correct until then.

llvm-svn: 35824
 2007-04-09 18:00:57 +00:00
Reid Spencer
1acc089771 Remove a memory leak, until ParamAttrsList is uniqued. 
llvm-svn: 35823
 2007-04-09 17:20:18 +00:00
Devang Patel
e038420dc6 Simpler for() loops. 
llvm-svn: 35822
 2007-04-09 17:09:13 +00:00
Devang Patel
dd269ce747 Fix future bug. Of course, Chris spotted this. 
Handle Argument or Undef as an incoming PHI value.

llvm-svn: 35821
 2007-04-09 16:41:46 +00:00
Devang Patel
ba5018aaff More cosmetic changes. 
llvm-svn: 35820
 2007-04-09 16:21:29 +00:00
Devang Patel
f66f3dd962 Only cosmetic changes. Zero functionality Change. 
llvm-svn: 35819
 2007-04-09 16:11:48 +00:00
Reid Spencer
d2380cfb76 For PR1146: 
* Add ParamAttrList pointers to Function and CallInst.
* Move the implementation of ParamAttrList from Type.cpp to Function.cpp

llvm-svn: 35818
 2007-04-09 15:01:12 +00:00
Jeff Cohen
b3d61e6c05 Unbreak VC++ build. 
llvm-svn: 35817
 2007-04-09 14:32:59 +00:00
Anton Korobeynikov
6ee97ee42a Next stage into switch lowering refactoring 
1. Fix some bugs in the jump table lowering threshold
2. Implement much better metric for optimal pivot selection
3. Tune thresholds for different lowering methods
4. Implement shift-and trick for lowering small (<machine word
length) cases with few destinations. Good testcase will follow.

llvm-svn: 35816
 2007-04-09 12:31:58 +00:00
Chris Lattner
730f5588be Convert ImmediateDominators::DFSPass from being recursive to being iterative. 
llvm-svn: 35815
 2007-04-09 06:44:42 +00:00
Reid Spencer
2660b8dccb For PR1146: 
Adapt handling of parameter attributes to use the new ParamAttrsList class.

llvm-svn: 35814
 2007-04-09 06:17:21 +00:00
Reid Spencer
3ffd70d6e4 Regenerate 
llvm-svn: 35813
 2007-04-09 06:16:21 +00:00
Reid Spencer
b7cec347b9 For PR1146: 
Adapt handling of parameter attributes to use ParamAttrsList class.

llvm-svn: 35812
 2007-04-09 06:15:59 +00:00
Reid Spencer
b43eb600c2 For PR1146: 
Use ParamAttrsList for writing parameter attributes. Since they are sparse
now, we also write them sparsely (saves a few bytes). Unfortunately, this
is a bytecode file format change.

llvm-svn: 35811
 2007-04-09 06:14:31 +00:00
Reid Spencer
1f674acbdf For PR1146: 
Simplify construction of FunctionType to use default arguments.

llvm-svn: 35810
 2007-04-09 06:12:07 +00:00
Reid Spencer
a2b16b4ee5 For PR1146: 
Parameter attributes can now be defaulted for intrinsics.

llvm-svn: 35809
 2007-04-09 06:11:23 +00:00
Reid Spencer
3d414b473d For PR1146: 
Adjust writing of parameter attributes to use ParamAttrList class.

llvm-svn: 35808
 2007-04-09 06:10:42 +00:00
Chris Lattner
884f49c47e minor cleanups 
llvm-svn: 35807
 2007-04-09 06:10:06 +00:00
Reid Spencer
6bc0205a2a For PR1146: 
Move parameter attributes functionality to ParamAttrsList class.

llvm-svn: 35806
 2007-04-09 06:07:52 +00:00
Reid Spencer
a617889460 For PR1146: 
Remove the handling of ParameterAttributes from FunctionType as they are
their own object defined in ParameterAttributes.h now.

llvm-svn: 35805
 2007-04-09 06:06:57 +00:00
Chris Lattner
de148c7887 move a bunch of register constraints from being handled by 
getRegClassForInlineAsmConstraint to being handled by
getRegForInlineAsmConstraint.  This allows us to let the llvm register allocator
allocate, which gives us better code.  For example, X86/2007-01-29-InlineAsm-ir.ll
used to compile to:

_run_init_process:
        subl $4, %esp
        movl %ebx, (%esp)
        xorl %ebx, %ebx
        movl $11, %eax
        movl %ebx, %ecx
        movl %ebx, %edx
        # InlineAsm Start
        push %ebx ; movl %ebx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End

Now we get:
_run_init_process:
        xorl %ecx, %ecx
        movl $11, %eax
        movl %ecx, %edx
        # InlineAsm Start
        push %ebx ; movl %ecx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End

llvm-svn: 35804
 2007-04-09 05:49:22 +00:00
Chris Lattner
b940a717ac implement support for CodeGen/X86/inline-asm-x-scalar.ll:test3 - i32/i64 values 
used with x constraints.

llvm-svn: 35803
 2007-04-09 05:31:48 +00:00
Chris Lattner
13a530ec7f implement CodeGen/X86/inline-asm-x-scalar.ll:test3 
llvm-svn: 35802
 2007-04-09 05:31:20 +00:00
Chris Lattner
d75e2127c8 add another test 
llvm-svn: 35801
 2007-04-09 05:26:48 +00:00
Chris Lattner
c360f69afe add some assertions 
llvm-svn: 35800
 2007-04-09 05:23:13 +00:00
Chris Lattner
e2d3bf8ecf implement CodeGen/X86/inline-asm-x-scalar.ll 
llvm-svn: 35799
 2007-04-09 05:11:28 +00:00
Chris Lattner
45ebb3ba95 The x constraint allows scalar FP values as well as vectors. 
llvm-svn: 35798
 2007-04-09 05:11:03 +00:00
Owen Anderson
e4c29f0b01 Move isReachableFromEntry out of line to avoid an unnecessary #include 
llvm-svn: 35797
 2007-04-09 04:07:36 +00:00
Chris Lattner
b3c4c64197 Fix a bug that caused alignment information to occasionally get stripped off 
of an allocation instruction when writing to bytecode.

llvm-svn: 35796
 2007-04-09 03:37:36 +00:00
Reid Spencer
4ede44609e Regenerate 
llvm-svn: 35795
 2007-04-09 01:56:05 +00:00
Reid Spencer
93d41cc941 Drop the implementation keyword. 
llvm-svn: 35794
 2007-04-09 01:55:42 +00:00
Reid Spencer
135f2f1261 Chris convinced me that the default size of the SmallVector (2) was too 
small.  Since it doesn't cost much to have 2 more (8 bytes), but not having
them would require a malloc as soon as the third one is needed. Setting
the default to 4 delays the malloc until the 5th parameter attribute.

llvm-svn: 35793
 2007-04-09 01:53:54 +00:00