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Author SHA1 Message Date
Jakob Stoklund Olesen
6346426b8c Switch ARM to using AltOrders instead of MethodBodies. 
This slightly changes the GPR allocation order on Darwin where R9 is not
a callee-saved register:

Before: %R0 %R1 %R2 %R3 %R12 %R9 %LR %R4 %R5 %R6 %R8 %R10 %R11
After:  %R0 %R1 %R2 %R3 %R9 %R12 %LR %R4 %R5 %R6 %R8 %R10 %R11
llvm-svn: 133326
 2011-06-18 01:14:46 +00:00
Jakob Stoklund Olesen
434b0e8aef Switch x86 to using AltOrders instead of MethodBodies. 
llvm-svn: 133325
 2011-06-18 01:14:43 +00:00
Galina Kistanova
36039fd720 Moved to the right place. 
llvm-svn: 133324
 2011-06-18 00:59:37 +00:00
Jakob Stoklund Olesen
5502137e83 Reserve D16-D13 on subtargets that don't support them. 
llvm-svn: 133321
 2011-06-18 00:53:27 +00:00
Jakob Stoklund Olesen
5da811d840 Provide AltOrders for specifying alternative allocation orders. 
A register class can define AltOrders and AltOrderSelect instead of
defining method protos and bodies. The AltOrders lists can be defined
with set operations, and TableGen can verify that the alternative
allocation orders only contain valid registers.

This is currently an opt-in feature, and it is still possible to
override allocation_order_begin/end. That will not be true for long.

llvm-svn: 133320
 2011-06-18 00:50:49 +00:00
Bill Wendling
265a3f9032 * Override the "EmitBytes" function, since it can sneak values in that way. 
* Make this used only if CFI is used.

llvm-svn: 133319
 2011-06-18 00:19:35 +00:00
Eric Christopher
169d53e1e0 Fix UMULO support for 2x register width to allow the full 
range without a libcall to a new mulo<mode> libcall
that we'd have to create.

Finishes the rest of rdar://9090077 and rdar://9210061

llvm-svn: 133318
 2011-06-18 00:09:57 +00:00
Bill Wendling
83d5b74f00 Remove false assertion. 
llvm-svn: 133314
 2011-06-17 23:42:01 +00:00
Jakob Stoklund Olesen
8c156f19ec Only call TRI::getRawAllocationOrder to resolve a target-dependent hint. 
llvm-svn: 133313
 2011-06-17 23:26:52 +00:00
Jakob Stoklund Olesen
fb9f0e74cf Zap the last reference to allocation_order_begin(). 
llvm-svn: 133310
 2011-06-17 23:17:13 +00:00
Jakob Stoklund Olesen
e01d928b0f SI, DI, BP, and SP don't have 8-bit sub-registers in x86 mode. 
llvm-svn: 133308
 2011-06-17 23:15:00 +00:00
Eric Christopher
04c9154cba Fix comment. 
llvm-svn: 133307
 2011-06-17 22:35:59 +00:00
Matt Beaumont-Gay
d43d674bfb Fix -Asserts build 
llvm-svn: 133305
 2011-06-17 22:21:12 +00:00
Chad Rosier
0dc865af56 Revert r133285. Causing odd failures on Dragonegg. 
llvm-svn: 133301
 2011-06-17 22:08:25 +00:00
Bill Wendling
918a35a41b Disable for another investigation. 
llvm-svn: 133299
 2011-06-17 21:44:15 +00:00
Devang Patel
65e272ee15 Set debug loc for new preheader's terminator. 
llvm-svn: 133298
 2011-06-17 21:36:44 +00:00
Bill Wendling
be4fd10d84 Support only DwarfCFI or SjLj exception handling in LSDA decoder. 
llvm-svn: 133297
 2011-06-17 21:31:43 +00:00
Bill Wendling
530eece33e SjLj exception handling LSDA decoding support wasn't represented correctly. Use 
the correct values, etc. In particular, the exception handling type is SjLj, not
ARM.

llvm-svn: 133296
 2011-06-17 21:29:06 +00:00
Bill Wendling
a31de72e6a Disable to investigate ARM failure. 
llvm-svn: 133293
 2011-06-17 21:09:50 +00:00
Bill Wendling
1d4e48661b Use the verbose asm flag instead of a new flag for decoding the LSDA. 
llvm-svn: 133292
 2011-06-17 20:55:01 +00:00
Nadav Rotem
0cec5ab356 Fix a bug in the type-lowering of integer-promoted elements. Add a check that 
the newly created simple type is valid before checking its legality.
Re-commit the test file.

llvm-svn: 133291
 2011-06-17 20:54:12 +00:00
Evan Cheng
df9192b200 Add an alternative rev16 pattern. We should figure out a better way to handle these complex rev patterns. rdar://9609108 
llvm-svn: 133289
 2011-06-17 20:47:21 +00:00
Eric Christopher
25aa04466a Lower multiply with overflow checking to __mulo<mode> 
calls if we haven't been able to lower them any
other way.

Fixes rdar://9090077 and rdar://9210061

llvm-svn: 133288
 2011-06-17 20:41:29 +00:00
Bill Wendling
88bb5d74ab Add an option that allows one to "decode" the LSDA. 
The LSDA is a bit difficult for the non-initiated to read. Even with comments,
it's not always clear what's going on. This wraps the ASM streamer in a class
that retains the LSDA and then emits a human-readable description of what's
going on in it.

So instead of having to make sense of:

Lexception1:
        .byte   255
        .byte   155
        .byte   168
        .space  1
        .byte   3
        .byte   26
Lset0 = Ltmp7-Leh_func_begin1
      .long     Lset0
Lset1 = Ltmp812-Ltmp7
      .long     Lset1
Lset2 = Ltmp913-Leh_func_begin1
      .long     Lset2
      .byte     3
Lset3 = Ltmp812-Leh_func_begin1
      .long     Lset3
Lset4 = Leh_func_end1-Ltmp812
      .long     Lset4
      .long     0
      .byte     0
      .byte     1
      .byte     0
      .byte     2
      .byte     125
      .long     __ZTIi@GOTPCREL+4
      .long     __ZTIPKc@GOTPCREL+4

you can read this instead:

## Exception Handling Table: Lexception1
##  @LPStart Encoding: omit
##    @TType Encoding: indirect pcrel sdata4
##        @TType Base: 40 bytes
## @CallSite Encoding: udata4
## @Action Table Size: 26 bytes

## Action 1:
##   A throw between Ltmp7 and Ltmp812 jumps to Ltmp913 on an exception.
##     For type(s):  __ZTIi@GOTPCREL+4 __ZTIPKc@GOTPCREL+4
## Action 2:
##   A throw between Ltmp812 and Leh_func_end1 does not have a landing pad.

llvm-svn: 133286
 2011-06-17 20:35:21 +00:00
Stuart Hastings
03f59f5916 Relocate NUW test to cover all binary ops in a dynamic alloca expr. 
Followup to 132926.  rdar://problem/9265821

llvm-svn: 133285
 2011-06-17 20:21:52 +00:00
Galina Kistanova
b46dac6e3d est 2008-06-04-indirectmem.ll is X86-specific. Move to X86 folder. 
llvm-svn: 133275
 2011-06-17 18:26:23 +00:00
Chris Lattner
dd6d168c92 Drop the "2" suffix on some enums. 
llvm-svn: 133274
 2011-06-17 18:17:37 +00:00
Chris Lattner
04d8431b16 remove support for a bunch of obsolete instruction encodings 
and other backward compatibility hacks.

llvm-svn: 133273
 2011-06-17 18:09:11 +00:00
Benjamin Kramer
28b93c078a Remove a useless copy of MCELFStreamer. Patch by Logan Chien! 
llvm-svn: 133272
 2011-06-17 18:05:30 +00:00
Jakub Staszak
70a2c4bf32 getSuccWeight returns now default 0 if Weights vector is empty. 
llvm-svn: 133271
 2011-06-17 18:00:21 +00:00
Chris Lattner
ef05689a18 missed a file. 
llvm-svn: 133270
 2011-06-17 17:56:00 +00:00
Chris Lattner
d59a556c3a Remove some "2" suffixes from the metadata enums now that "1" is gone. 
llvm-svn: 133269
 2011-06-17 17:50:30 +00:00
Chris Lattner
c7bf0d0128 remove bitcode reader support for LLVM 2.7 metadata encoding. 
llvm-svn: 133268
 2011-06-17 17:48:53 +00:00
Chris Lattner
989da517f1 remove another old and dead hunk of code. 
llvm-svn: 133267
 2011-06-17 17:40:18 +00:00
Chris Lattner
2e2fad280a Stop accepting and ignoring attributes in function types. Attributes are applied 
to functions and call/invokes, not to types.

llvm-svn: 133266
 2011-06-17 17:37:13 +00:00
Jakub Staszak
87288736d2 Allow empty Weights vector. 
llvm-svn: 133265
 2011-06-17 17:30:10 +00:00
Roman Divacky
6778c94b24 Fix a few places where 32bit instructions/registerset were used on PPC64. 
llvm-svn: 133260
 2011-06-17 15:21:10 +00:00
Rafael Espindola
969ed05524 Test for previous commit. 
llvm-svn: 133256
 2011-06-17 14:16:17 +00:00
Rafael Espindola
f9ff169e9c Two fixes relating to debug value: 
* We should change the generated code because of a debug use.
* Avoid creating debug uses of undef, as they become a kill.
Test to follow.

llvm-svn: 133255
 2011-06-17 13:59:43 +00:00
Jay Foad
b337da0cff Fix typo in comment. 
llvm-svn: 133254
 2011-06-17 13:36:06 +00:00
Justin Holewinski
c515f1b903 PTX: Adjust rounding modes 
* rounding modes for fp add, mul, sub now use .rn
* float -> int rounding correctly uses .rzi not .rni
* 32bit fdiv for sm13 uses div.rn (instead of div.approx)
* 32bit fdiv for sm10 now uses div (instead of div.approx)

Approx is not IEEE 754 compatible (and should be optionally set by a flag to the backend instead). The .rn rounding modifier is the PTX default anyway, but it's better to be explicit.

All these modifiers should be available by using __fmul_rz functions for example, but support will need to be added for this in the backend.

Patch by Dan Bailey

llvm-svn: 133253
 2011-06-17 12:12:42 +00:00
NAKAMURA Takumi
472ef070c2 Don't force remove config.cache on reconfiguration. 
config.cache will be used by the person who specifies '-C' to configure.
config.cache's inconsistency should be responsible to him.

Re-configuration would spend so much on cygming without '-C', esp. cygwin.

llvm-svn: 133252
 2011-06-17 11:08:09 +00:00
Nick Lewycky
9bfe06b4d6 When promoting an alloca to registers discard any lifetime intrinsics. 
llvm-svn: 133251
 2011-06-17 10:09:00 +00:00
Lang Hames
20552cda1a Add a hook for PBQP clients to run a custom pre-alloc pass to run prior to PBQP allocation. Patch by Arnaud Allard de Grandmaison. 
llvm-svn: 133249
 2011-06-17 07:09:01 +00:00
Chris Lattner
0899957b99 make the asmparser reject function and type redefinitions. 'Merging' hasn't been 
needed since llvm-gcc 3.4 days.

llvm-svn: 133248
 2011-06-17 07:06:44 +00:00
Chris Lattner
385977c252 remove asmparser support for the old getresult instruction, which has been subsumed by extractvalue. 
llvm-svn: 133247
 2011-06-17 06:57:15 +00:00
Chris Lattner
9e7c036d09 remove parser support for the obsolete "multiple return values" syntax, which 
was replaced with return of a "first class aggregate".

llvm-svn: 133245
 2011-06-17 06:49:41 +00:00
Chris Lattner
17983fc4ba stop accepting begin/end around function bodies in the .ll parser, this isn't pascal anymore. 
llvm-svn: 133244
 2011-06-17 06:42:57 +00:00
Chris Lattner
4eb6f76fa6 Remove support for using "foo" as symbols instead of %"foo". This is ancient 
syntax and has been long obsolete.  As usual, updating the tests is the nasty
part of this.

llvm-svn: 133242
 2011-06-17 06:36:20 +00:00
Rafael Espindola
7adb7e304b Enable early duplication of small blocks. There are still improvements to 
be made, but this is already a win.

llvm-svn: 133240
 2011-06-17 05:54:50 +00:00