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Author SHA1 Message Date
Duncan Sands
eaa9975d59 Add Thumb2ITBlockPass.cpp to CMakeLists.txt, fixing 
the cmake build.

llvm-svn: 75246
 2009-07-10 08:31:50 +00:00
Chris Lattner
e5b9e93e19 make this more like printOperand. Perhaps some merging will happen 
tomorrow.

llvm-svn: 75245
 2009-07-10 07:50:52 +00:00
Chris Lattner
6097f82e18 simplify fast isel by using ClassifyGlobalReference. This 
elimiantes the last use of GVRequiresExtraLoad, so delete it.

llvm-svn: 75244
 2009-07-10 07:48:51 +00:00
Chris Lattner
7c038a2b3c eliminate GVRequiresRegister, replacing it with predicates we 
need for other purposes.

llvm-svn: 75243
 2009-07-10 07:38:24 +00:00
Chris Lattner
e4e0c73ed0 change a bunch of logic in LowerGlobalAddress to leverage the work 
done in ClassifyGlobalReference instead of reconstructing the info
awkwardly.

llvm-svn: 75240
 2009-07-10 07:34:39 +00:00
Chris Lattner
a785e01d31 add a predicate to determine if a global var reference requires a 
PIC-base to be added in.

llvm-svn: 75238
 2009-07-10 07:33:30 +00:00
Chris Lattner
0cae8c7845 move some classification logic around. Now GVRequiresExtraLoad 
is just a trivial wrapper around "ClassifyGlobalReference", which
stole a ton of logic from LowerGlobalAddress.

llvm-svn: 75237
 2009-07-10 07:20:05 +00:00
Chris Lattner
4e8de888f2 change isGlobalStubReference to take target flags instead of a MachineOperand. 
llvm-svn: 75236
 2009-07-10 06:29:59 +00:00
Chris Lattner
c4e0e9c987 convert some late code (called by regalloc and code emission) 
to use isGlobalStubReference instead of GVRequiresExtraLoad
(which should really be part of isel).

llvm-svn: 75234
 2009-07-10 06:07:08 +00:00
Chris Lattner
a607a9c046 add a new predicate method that says whether a GlobalValue 
MachineOperand is a reference to a stub, not a reference to the
global variable itself.  Look no context needed!

llvm-svn: 75233
 2009-07-10 06:06:17 +00:00
Chris Lattner
41fccd30b7 GVRequiresExtraLoad is now never used for calls, simplify it based on this. 
llvm-svn: 75232
 2009-07-10 05:52:02 +00:00
Chris Lattner
832a724072 actually, just eliminate PCRelGVRequiresExtraLoad. It makes the code 
more complex and slow than just directly testing what we care about.

llvm-svn: 75231
 2009-07-10 05:48:03 +00:00
Chris Lattner
2161376696 There is only one case where GVRequiresExtraLoad returns true for calls: 
split its handling out to PCRelGVRequiresExtraLoad, and simplify code
based on this.

llvm-svn: 75230
 2009-07-10 05:45:15 +00:00
Chris Lattner
2e5e403f53 the "isDirectCall" operand of GVRequiresRegister is always false, eliminate it. 
llvm-svn: 75229
 2009-07-10 05:37:11 +00:00
Chris Lattner
faa8001b62 split call handling out of X86SelectAddress into X86SelectCallAddress 
llvm-svn: 75228
 2009-07-10 05:33:42 +00:00
Chris Lattner
fb8ee5d85a convert a helper method to be a static function instead of a 
template.  Also convert it to take a MachineOperand instead of a GV*

llvm-svn: 75227
 2009-07-10 05:27:43 +00:00
Evan Cheng
e25ef2e60e 80 col violation. 
llvm-svn: 75226
 2009-07-10 05:20:19 +00:00
Evan Cheng
6e276f4376 More info about Thumb1 predication support. 
llvm-svn: 75220
 2009-07-10 02:10:17 +00:00
Evan Cheng
74f5327e53 We don't need separate thumb1 instructions tADDSi3 etc. for addc and subc. The "normal" version always modify condition register CPSR so we should just use def : pat to match to the same instructions. 
llvm-svn: 75219
 2009-07-10 02:09:04 +00:00
Evan Cheng
24f2aefc87 Add a thumb2 pass to insert IT blocks. 
llvm-svn: 75218
 2009-07-10 01:54:42 +00:00
Evan Cheng
4d2678d1ff Move isPredicated from .cpp to .h 
llvm-svn: 75217
 2009-07-10 01:38:27 +00:00
Owen Anderson
1500792c2c Finish pushing LLVMContext through the IRBuilder/ConstantFolder interface. 
llvm-svn: 75213
 2009-07-10 00:49:53 +00:00
Evan Cheng
5bdb67db63 80 col violation. 
llvm-svn: 75212
 2009-07-10 00:45:16 +00:00
David Greene
a3a442fd55 Fix #include specification. 
llvm-svn: 75208
 2009-07-10 00:34:39 +00:00
Ted Kremenek
ec0e24ae25 ImmutableMap/ImmutableSet: Allow caching of ImutAVLTree digests while the tree 
is still mutable. My experiments show this reduces the amount of times we
compute a full tree digest by over 50% on very small cases, and potentially much
larger on others.

llvm-svn: 75207
 2009-07-10 00:33:43 +00:00
Evan Cheng
4249ad4c00 Remove a bogus assertion. 
llvm-svn: 75206
 2009-07-10 00:23:48 +00:00
Bob Wilson
3309c912fb Replace TM.getRegisterInfo() calls by TRI instance variable. 
Use getAsmName() method instead of accessing AsmName field directly.

llvm-svn: 75205
 2009-07-10 00:14:05 +00:00
David Greene
7ee78e9d5c Redesign this to avoid standard stream classes. This stream class 
provides pretty -printing of comments and other such things in asm
files.

llvm-svn: 75202
 2009-07-09 23:56:35 +00:00
Bob Wilson
f5f52fa9d6 Handle 'a' modifier on inline assembly operands. 
This is part of the fix for pr4521.

llvm-svn: 75201
 2009-07-09 23:54:51 +00:00
Owen Anderson
49226b1075 This started as a small change, I swear. Unfortunately, lots of things call the [I|F]CmpInst constructors. Who knew!? 
llvm-svn: 75200
 2009-07-09 23:48:35 +00:00
David Greene
98610d5cfd Add some hooks that a redesigned AsmStream needs to do its job. These 
allow derived classes to examine the stream buffer before it's flushed.

llvm-svn: 75199
 2009-07-09 23:43:41 +00:00
Evan Cheng
1b15e9611e Added Thumb IT instruction. 
llvm-svn: 75198
 2009-07-09 23:43:36 +00:00
Bob Wilson
b2d82a5f9f Fix an apparent copy-and-paste problem in an error message. 
llvm-svn: 75197
 2009-07-09 23:42:59 +00:00
Evan Cheng
0d509459ff Another todo entry. 
llvm-svn: 75192
 2009-07-09 23:17:28 +00:00
Dan Gohman
8a58b8f83b Revert the part of 75177 that split ConstantRange into two classes, and 
merge the new functionality and unittests into ConstantRange. Thanks to
Nick Lewycky for pointing out that it isn't necessary to have two separate
classes here.

llvm-svn: 75191
 2009-07-09 23:16:10 +00:00
Evan Cheng
5bde39cb50 Initial support for load / store multiple opt pass Thumb2 support (post-allocation only). It's kind of there, but not quite. I'll return to this later. 
llvm-svn: 75190
 2009-07-09 23:11:34 +00:00
Evan Cheng
57a4e81f3f Fix ldm / stm unified syntax; add t2LDM_RET. 
llvm-svn: 75188
 2009-07-09 22:58:39 +00:00
Evan Cheng
09e7791563 LDM_RET should be marked mayLoad. 
llvm-svn: 75187
 2009-07-09 22:57:41 +00:00
Bill Wendling
4b9c615e09 If -fomit-frame-pointer is used, we still need to record when the %esp register 
is modified. Otherwise, the unwinder will get confused. The old code (before I
started my hacking) did this. It dropped on the floor, because I wasn't aware of
this requirement.

On the plus side, if we use "alloca" in a function, we create frame pointers
even with -fomit-frame-pointer is enabled!

This is a Good Thing(tm)!!!

llvm-svn: 75183
 2009-07-09 22:30:02 +00:00
Evan Cheng
3b7c3fafab Fix ldrd / strd address mode matching code. It allows for +/- 8 bit offset. Also change the printer to make the scale 4 explicit. 
Note, we are not yet generating these instructions.

llvm-svn: 75181
 2009-07-09 22:21:59 +00:00
Andreas Bolka
1f4a3d9bf8 Fix typo, trailing whitespace. 
llvm-svn: 75179
 2009-07-09 22:14:25 +00:00
Dan Gohman
33251eff97 Add a ConstantSignedRange class, which does for signed integers 
what ConstantRange does for unsigned integers. Factor out a
common base class for common functionality.

Add some new functions for performing arithmetic on constant
ranges. Some of these are currently just stubbed out with
conservative implementations.

Add unittests for ConstantRange and ConstantSignedRange.

llvm-svn: 75177
 2009-07-09 22:07:27 +00:00
Eli Friedman
08991c716a Make EXTRACT_VECTOR_ELT a bit more flexible in terms of the returned 
value.  Adjust other code to deal with that correctly.  Make 
DAGTypeLegalizer::PromoteIntRes_EXTRACT_VECTOR_ELT take advantage of 
this new flexibility to simplify the code and make it deal with unusual 
vectors (like <4 x i1>) correctly.  Fixes PR3037.

llvm-svn: 75176
 2009-07-09 22:01:03 +00:00
Evan Cheng
7f8e728a54 Add a Thumb readme entry. 
llvm-svn: 75173
 2009-07-09 20:50:52 +00:00
Evan Cheng
e08efed97a Correct comment. 
llvm-svn: 75172
 2009-07-09 20:40:44 +00:00
Richard Pennington
6cfce9d61d bug 4524: Add MSP430 to the cmake build. 
llvm-svn: 75170
 2009-07-09 20:27:09 +00:00
Dale Johannesen
faa5bcf31d Handle 'A' modifier in inline asms. 
gcc.apple/asm-block-13.c
gcc.apple/asm-block-57.c

llvm-svn: 75169
 2009-07-09 20:06:27 +00:00
Mikhail Glushenkov
fad1db9347 Regenerate. 
llvm-svn: 75167
 2009-07-09 19:39:49 +00:00
Mikhail Glushenkov
b067c19529 Documentation update. 
llvm-svn: 75166
 2009-07-09 19:39:16 +00:00
Mikhail Glushenkov
d338e3f9dd We don't need to set SaveTemps here. 
'--temp-dir' always overrides 'save-temps'.

llvm-svn: 75165
 2009-07-09 19:38:32 +00:00