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Author SHA1 Message Date
Evan Cheng
e273e42195 Revert 94937 and move the noreturn check to codegen. 
llvm-svn: 95198
 2010-02-03 03:55:59 +00:00
Sean Callanan
0139e2193d Fixed the disassembler so it accepts multiple 
instructions on a single line.  Also made it a
bit more forgiving when it reports errors.

llvm-svn: 95197
 2010-02-03 03:46:41 +00:00
John McCall
8bcabdeffc Make APInt::countLeadingZerosSlowCase() treat the contents of padding bits 
as undefined.  Fixes an assertion in APFloat::toString noticed by Dale.

llvm-svn: 95196
 2010-02-03 03:42:44 +00:00
Evan Cheng
d9cf09b0d6 Allow all types of callee's to be tail called. But avoid automatic tailcall if the callee is a result of bitcast to avoid losing necessary zext / sext etc. 
llvm-svn: 95195
 2010-02-03 03:28:02 +00:00
Jeffrey Yasskin
853eeb0db1 Reconfigure with autoconf-2.60, and fix autoconf.ac to work with that version. 
llvm-svn: 95191
 2010-02-03 02:11:49 +00:00
Chris Lattner
eb6d6da2e4 don't emit \n's at the start of X86AsmPrinter::runOnMachineFunction, 
.o files don't like that.

llvm-svn: 95187
 2010-02-03 01:49:49 +00:00
Chris Lattner
a64be6d665 privatize a bunch of methods and move \n printing into them. 
llvm-svn: 95186
 2010-02-03 01:46:05 +00:00
Chris Lattner
dda5d34934 rename printMachineInstruction -> EmitInstruction 
llvm-svn: 95184
 2010-02-03 01:41:03 +00:00
Dale Johannesen
1e9d147461 Reapply 95050 with a tweak to check the register class. 
llvm-svn: 95183
 2010-02-03 01:40:33 +00:00
Chris Lattner
0bb2e04b36 print instructions through the mcstreamer. 
llvm-svn: 95181
 2010-02-03 01:16:28 +00:00
Chris Lattner
bcba6c8a07 emit instructions through the streamer. 
llvm-svn: 95180
 2010-02-03 01:15:03 +00:00
Chris Lattner
1797ff9f5a Finally eliminate printMCInst and send instructions through 
the streamer.  Demo:

$ cat t.ll 
define i32 @test() nounwind {
  ret i32 42
}
$ llc t.ll -o -
...
_test: 
	movl	$42, %eax
	ret
$ llc t.ll -o t.o -filetype=obj
$ otool -tv t.o 
t.o:
(__TEXT,__text) section
_test:
00000000	movl	$0x0000002a,%eax
00000005	ret

llvm-svn: 95179
 2010-02-03 01:13:25 +00:00
Chris Lattner
edf1e280a2 rejigger the world so that EmitInstruction prints the \n at 
the end of the instruction instead of expecting the caller to
do it.  This currently causes the asm-verbose instruction 
comments to be on the next line.

llvm-svn: 95178
 2010-02-03 01:09:55 +00:00
Chris Lattner
cd07a3a0b7 sink handling of target-independent machine instrs (other 
than DEBUG_VALUE :(  ) into the target indep AsmPrinter.cpp
file.   This allows elimination of the 
NO_ASM_WRITER_BOILERPLATE hack among other things.

llvm-svn: 95177
 2010-02-03 01:00:52 +00:00
Chris Lattner
2b798aafd0 make these less sensitive to asm verbose changes by disabling it for them. 
llvm-svn: 95175
 2010-02-03 00:48:53 +00:00
Dale Johannesen
7c4c39e651 Print FPImm a less kludgy way; APFloat.toString seems 
to have some problems anyway.

llvm-svn: 95171
 2010-02-03 00:36:40 +00:00
Bob Wilson
cabb8bea4c Fix some comment typos. 
llvm-svn: 95170
 2010-02-03 00:33:21 +00:00
Chris Lattner
7e4c2b183b pass an instprinter into the AsmPrinter if it is available. 
llvm-svn: 95168
 2010-02-03 00:29:55 +00:00
Chris Lattner
bdd4ae564a make any use of the "O" stream in asmprinter print to 
stderr if in filetype=obj mode.  This is a hack, and will
live until dwarf emission and other random stuff that is
not yet going through MCStreamer is upgraded.  It only
impacts filetype=obj mode.

llvm-svn: 95166
 2010-02-03 00:22:02 +00:00
Eric Christopher
ac28e14b77 Recommit this, looks like it wasn't the cause. 
llvm-svn: 95165
 2010-02-03 00:21:58 +00:00
Evan Cheng
1d121ec4d1 ByVal frame object size should be that of the byval argument, not the size of the type which is just a pointer. This is not known to break stuff but is wrong nevertheless. 
llvm-svn: 95163
 2010-02-02 23:58:13 +00:00
Chris Lattner
78f57ac8dc Hook up -filetype=obj through the MachO streamer. Here's a demo: 
$ cat t.ll 
@g = global i32 42
$ llc t.ll -o t.o -filetype=obj
$ nm t.o
00000000 D _g

There is still a ton of work left.  Instructions are not being encoded
yet apparently.

llvm-svn: 95162
 2010-02-02 23:57:42 +00:00
Jim Grosbach
23b76845a7 As of r79039, we still try to eliminate the frame pointer on leaf functions, 
even when -disable-fp-elim is specified.

llvm-svn: 95161
 2010-02-02 23:56:14 +00:00
Evan Cheng
9057fea7ef Revert 95130. 
llvm-svn: 95160
 2010-02-02 23:55:14 +00:00
Dale Johannesen
ca2fe230d2 Accept floating point immediates in DEBUG_VALUE. 
llvm-svn: 95159
 2010-02-02 23:54:23 +00:00
Daniel Dunbar
c6f8382263 AsmParser/X86: Add temporary hack to allow parsing "sal". Eventually we need 
some mechanism for specifying alternative syntaxes, but I'm not sure what form
that should take yet.

llvm-svn: 95158
 2010-02-02 23:46:47 +00:00
Daniel Dunbar
9b2879bd70 AsmMatcherEmitter: Use stable_sort when reordering instructions, so that order 
is still deterministic even amongst ambiguous instructions (eventually ambiguous
match orders will be a hard error, but we aren't there yet).

llvm-svn: 95157
 2010-02-02 23:46:36 +00:00
Chris Lattner
62ba09bb47 use OwningPtr and factor code better. 
llvm-svn: 95156
 2010-02-02 23:45:17 +00:00
Chris Lattner
643f2f9bc4 refactor code so that LLVMTargetMachine creates the asmstreamer and 
mccontext instead of having AsmPrinter do it.  This allows other 
types of MCStreamer's to be passed in.

llvm-svn: 95155
 2010-02-02 23:37:42 +00:00
Eric Christopher
f070aae6f7 Hopefully temporarily revert this. 
llvm-svn: 95154
 2010-02-02 23:01:31 +00:00
Chris Lattner
9ba7b16a19 simplify getVerboseAsm 
llvm-svn: 95153
 2010-02-02 22:58:13 +00:00
Chris Lattner
501138c6ad move handling of asm-verbose out of AsmPrinter.cpp into LLVMTargetMachine.cpp with the rest of the command line options. 
llvm-svn: 95152
 2010-02-02 22:54:51 +00:00
Chris Lattner
665a764dbe remove dead #include, stupid symlinks. 
llvm-svn: 95150
 2010-02-02 22:37:42 +00:00
Chris Lattner
c49053be3f remove the # TAILCALL markers, which was causing the to fail. 
It's unclear if the matcher is nondeterminstic of what here,
but I'm getting matches without TAILCALL and some other hosts
are getting matches with it.

llvm-svn: 95149
 2010-02-02 22:36:29 +00:00
Chris Lattner
7dd4ad3ced Remove a bunch of stuff around the edges of the ELF writer. 
Now the only use of the ELF writer is the JIT, which won't be
easy to fix in the short term. :( :(

llvm-svn: 95148
 2010-02-02 22:31:11 +00:00
Eric Christopher
048492d669 Reformat my last patch slightly. 
llvm-svn: 95147
 2010-02-02 22:29:26 +00:00
Chris Lattner
6996a481db tidy some targets. 
llvm-svn: 95146
 2010-02-02 22:13:21 +00:00
Eric Christopher
575fe8690d Re-add strcmp and known size object size checking optimization. 
Passed bootstrap and nightly test run here.

llvm-svn: 95145
 2010-02-02 22:10:43 +00:00
Chris Lattner
04d5dfafae remove dead code. 
llvm-svn: 95144
 2010-02-02 22:03:00 +00:00
Daniel Dunbar
d01668aaf5 MCAssembler/Darwin: Add a test (on Darwin) that we assemble a bunch of 
instructions exactly like 'as', and produce equivalent .o files.

llvm-svn: 95143
 2010-02-02 22:00:15 +00:00
Chris Lattner
b3d8901ca8 detemplatize the ppc code emitter. 
llvm-svn: 95142
 2010-02-02 21:55:58 +00:00
Chris Lattner
40e4a9d982 remove dead code. 
llvm-svn: 95141
 2010-02-02 21:52:03 +00:00
Chris Lattner
3dedba8e8c add a definition for ID. 
llvm-svn: 95140
 2010-02-02 21:49:29 +00:00
Chris Lattner
00a839b592 detemplatize ARM code emitter. 
llvm-svn: 95138
 2010-02-02 21:48:51 +00:00
Daniel Dunbar
fe2e25aa31 MCAsmParser/X86: Represent absolute memory operands as CodeGen does, with scale 
== 1.

llvm-svn: 95137
 2010-02-02 21:44:16 +00:00
Daniel Dunbar
60fac220dd MCCodeEmitter/X86: Handle tied registers better when converting MCInst -> 
MCMachineInstr. This also fixes handling of tied registers for MRMSrcMem
instructions.

llvm-svn: 95136
 2010-02-02 21:44:10 +00:00
Daniel Dunbar
eb0b81040a MC/Mach-O: Set SOME_INSTRUCTIONS bit for sections. 
llvm-svn: 95135
 2010-02-02 21:44:01 +00:00
Chris Lattner
ec61994b1d remove dead code. 
llvm-svn: 95134
 2010-02-02 21:38:59 +00:00
Chris Lattner
aad5bcaecb detemplatize alpha code emission, it is now JIT specific. 
llvm-svn: 95133
 2010-02-02 21:35:47 +00:00
Chris Lattner
21bcba21e7 eliminate all the dead addSimpleCodeEmitter implementations. 
eliminate random "code emitter" stuff in Alpha, except for
the JIT path.  Next up, remove the template cruft.

llvm-svn: 95131
 2010-02-02 21:31:47 +00:00