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10447 Commits

Author SHA1 Message Date
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
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
Evan Cheng
1b15e9611e Added Thumb IT instruction. 
llvm-svn: 75198
 2009-07-09 23:43:36 +00:00
Evan Cheng
0d509459ff Another todo entry. 
llvm-svn: 75192
 2009-07-09 23:17:28 +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
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
David Goodwin
6c4201dbcb Handle Thumb-2 addressing modes during FP elimination. 
llvm-svn: 75158
 2009-07-09 18:35:52 +00:00
Owen Anderson
8970999512 Thread LLVMContext through MVT and related parts of SDISel. 
llvm-svn: 75153
 2009-07-09 17:57:24 +00:00
Eli Friedman
b34a153606 Misc encoding fixes; reported on llvmdev. 
llvm-svn: 75142
 2009-07-09 16:49:25 +00:00
Chris Lattner
7fcfc81604 simplify this logic a bit more. 
llvm-svn: 75118
 2009-07-09 07:02:30 +00:00
Chris Lattner
1614fd5095 move reasoning about darwin $non_lazy_ptr stubs from asmprinter into 
isel.

llvm-svn: 75117
 2009-07-09 06:59:17 +00:00
Evan Cheng
4f87295872 Targets sometimes assign fixed stack object to spill certain callee-saved 
registers based on dynamic conditions. For example, X86 EBP/RBP, when used as
frame register has to be spilled in the first fixed object. It should inform
PEI this so it doesn't get allocated another stack object. Also, it should not
be spilled as other callee-saved registers but rather its spilling and restoring
are being handled by emitPrologue and emitEpilogue. Avoid spilling it twice.

llvm-svn: 75116
 2009-07-09 06:53:48 +00:00
Evan Cheng
fad8f9bea1 Reorg includes. 
llvm-svn: 75115
 2009-07-09 06:49:09 +00:00
Chris Lattner
9feb73cd75 rearrange some code, no functionality change. 
llvm-svn: 75113
 2009-07-09 06:41:35 +00:00
Chris Lattner
36eaa356a4 make direct calls set MO_PLT or MO_DARWIN_STUB as appropriate with fast isel. 
llvm-svn: 75112
 2009-07-09 06:34:26 +00:00
Chris Lattner
5367b4a5bd reduce nesting by rearranging branches. 
llvm-svn: 75110
 2009-07-09 05:55:04 +00:00
Chris Lattner
f6ad5e86c4 make isel use MO_PIC_BASE_OFFSET when lowering globalvalues on darwin in pic 
mode, instead of having asmprinter just "know" to print them.

llvm-svn: 75109
 2009-07-09 05:47:33 +00:00
Chris Lattner
c58c66f250 various minor cleanups, no functionality change. 
llvm-svn: 75108
 2009-07-09 05:42:07 +00:00
Chris Lattner
f42a8c82d9 make isel decide whether to emit $stub's on darwin instead of asmprinter. 
llvm-svn: 75107
 2009-07-09 05:27:35 +00:00
Chris Lattner
e144356fba pc-relative references are *always* to functions, never to globals. ISel 
is incapable of lowering direct references to globals like this, zap the code.

llvm-svn: 75106
 2009-07-09 05:19:23 +00:00
Chris Lattner
ec30d37e60 make cygwin use its own stubs set, instead of overloading a darwin one. 
llvm-svn: 75105
 2009-07-09 05:09:24 +00:00
Chris Lattner
06266970b0 Make isel determine where to emit PLT-relative calls instead of having 
asmprinter do it.

llvm-svn: 75104
 2009-07-09 05:02:21 +00:00
Chris Lattner
2e128cac89 isPICStyleStub() is now never true in -static mode, so simplify code. 
llvm-svn: 75102
 2009-07-09 04:43:12 +00:00
Chris Lattner
76adfe755d simplify some code based on the fact that picstyles != none are only valid 
in pic or dynamic-no-pic mode. Also, x86-64 never used picstylegot.

llvm-svn: 75101
 2009-07-09 04:39:06 +00:00
Chris Lattner
0ee57926e4 all this logic always returns true because GOT mode is never active in x86-64 mode. 
Simplify it away, someone should evaluate this.

llvm-svn: 75100
 2009-07-09 04:27:47 +00:00
Chris Lattner
f7ea4f5067 isPICStyleRIPRel() and friends are never true in -static mode. 
Simplify code based on this.

llvm-svn: 75099
 2009-07-09 04:24:46 +00:00
Nick Lewycky
d18c73933e Move PR4517 to README.txt. 
llvm-svn: 75098
 2009-07-09 04:03:30 +00:00
Chris Lattner
c21f898300 .o file writing shouldn't mess around with pic/relo models like the JIT does. 
llvm-svn: 75096
 2009-07-09 03:40:30 +00:00
Chris Lattner
ee29d5d753 move a hack out of the asm-printer specific path to the main target selection path. 
llvm-svn: 75095
 2009-07-09 03:37:30 +00:00
Chris Lattner
afa2741cc0 many more cleanups, for example if in the "none" pic-style, 
make sure we're set to static codegen.  Simplify the decision
tree of target->picstyle/picmode settings.

llvm-svn: 75094
 2009-07-09 03:32:31 +00:00
Chris Lattner
b5ce27ffe6 Reduce indentation in GVRequiresExtraLoad. Return true for windows 
with DLLImport symbols even when in -static mode.

llvm-svn: 75093
 2009-07-09 03:27:27 +00:00
Chris Lattner
cd52f7f20e When in -static mode, force the PIC style to none. Doing this requires fixing 
code which conflated RIPRel PIC with x86-64.  Fix these to just check for X86-64
directly.

llvm-svn: 75092
 2009-07-09 03:15:51 +00:00
Chris Lattner
fb40a495b0 merge two identical functions and simplify things that are GOT specific 
llvm-svn: 75091
 2009-07-09 02:55:47 +00:00
Chris Lattner
47173f26e4 hoist check for IsTailCall to callers. Eliminate redundant check for 
x86-64: GOT-style PIC is never used on x86-64.

llvm-svn: 75090
 2009-07-09 02:46:53 +00:00
Chris Lattner
255e408e78 change a few methods to be static functions. 
llvm-svn: 75089
 2009-07-09 02:44:11 +00:00
Chris Lattner
af31be8192 one more added assert. 
llvm-svn: 75088
 2009-07-09 02:43:55 +00:00
Chris Lattner
5cdf9d71f5 move handling of dllimport linkage in isel, not in asmprinter. 
llvm-svn: 75086
 2009-07-09 00:58:53 +00:00
Chris Lattner
428267bc11 one more assertion! 
llvm-svn: 75083
 2009-07-09 00:49:29 +00:00
Chris Lattner
49def58ec8 add some more assertions. Remove code to handle dllimport on darwin. 
llvm-svn: 75082
 2009-07-09 00:47:59 +00:00
Chris Lattner
904ac2e074 remove "asmcall", using print_pcrel_imm instead of printOperand. 
llvm-svn: 75080
 2009-07-09 00:39:19 +00:00
Chris Lattner
c513c000af simplify some logic 
llvm-svn: 75079
 2009-07-09 00:32:12 +00:00
Chris Lattner
f321f1f93f * add some assertions for sanity checking. 
* remove some old code that was needed when we'd put ESP in the scale instead of 
  the base of some instructions.
* Fix a bug with the P modifier in inline asm that caused us to drop it.

llvm-svn: 75077
 2009-07-09 00:27:29 +00:00