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17 Commits

Author SHA1 Message Date
Bill Wendling e303114b3c 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
Rafael Espindola a3181d12c6 Add all the plumbing needed for MC to expand cfi to the old tables in 
the final assembly. It is the same technique used when targeting
assemblers that don't support .loc.

llvm-svn: 130587
 2011-04-30 03:44:37 +00:00
Justin Holewinski 7d8895e767 PTX: Add intrinsics to list of built-in intrinsics, which allows them to be 
used by Clang.  To help Clang integration, the PTX target has been split
     into two targets: ptx32 and ptx64, depending on the desired pointer size.

- Add GCCBuiltin class to all intrinsics
- Split PTX target into ptx32 and ptx64

llvm-svn: 129851
 2011-04-20 15:37:17 +00:00
Che-Liang Chiou 7ed32cc51b ptx: fix lint and compiler warnings 
llvm-svn: 126838
 2011-03-02 07:58:46 +00:00
Che-Liang Chiou 59515dc703 Add 64-bit addressing to PTX backend 
- Add '64bit' sub-target option.
- Select 32-bit/64-bit loads/stores based on '64bit' option.
- Fix function parameter order.

Patch by Justin Holewinski

llvm-svn: 126837
 2011-03-02 07:36:48 +00:00
Anton Korobeynikov 2f93128109 Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
llvm-svn: 123170
 2011-01-10 12:39:04 +00:00
Che-Liang Chiou 15e8d2c5e7 ptx: add store instruction 
llvm-svn: 122652
 2011-01-01 10:50:37 +00:00
Daniel Dunbar ecd0c8a557 MC: Make TargetAsmBackend available to the AsmStreamer. 
- Treaty talks on the non-proliferation of MC objects broke down.

llvm-svn: 121949
 2010-12-16 03:05:59 +00:00
Rafael Espindola 0a017a6db2 Fixed version of 121434 with no new memory leaks. 
llvm-svn: 121471
 2010-12-10 07:39:47 +00:00
Rafael Espindola a945a34c73 Revert my previous patch to make the valgrind bots happy. 
llvm-svn: 121461
 2010-12-10 04:01:09 +00:00
Rafael Espindola 56eb741237 Initial support for the cfi directives. This is just enough to get 
f:
        .cfi_startproc
        nop
        .cfi_endproc

assembled (on ELF).

llvm-svn: 121434
 2010-12-09 23:48:29 +00:00
Rafael Espindola 164c797676 Move the PTXMCAsmStreamer class to the .cpp file. 
llvm-svn: 120241
 2010-11-28 14:48:34 +00:00
Anton Korobeynikov f7183edb59 First step of huge frame-related refactoring: move emit{Prologue,Epilogue} out of TargetRegisterInfo to TargetFrameInfo, which is definitely much better suitable place 
llvm-svn: 119097
 2010-11-15 00:06:54 +00:00
Che-Liang Chiou 09bf309527 Add physical register counting functions 
llvm-svn: 118397
 2010-11-08 03:00:52 +00:00
Che-Liang Chiou c03ec0cc42 Add a dummy PTXMCAsmStreamer class 
llvm-svn: 118396
 2010-11-08 02:58:44 +00:00
Eric Christopher dbb199d89b Add the exit instruction to the PTX target. 
Patch by Che-Liang Chiou <clchiou@gmail.com>!

llvm-svn: 114294
 2010-09-18 18:52:28 +00:00
Nick Lewycky 4c82c6c6fe Create PTX backend. Patch by Che-Liang Chiou! 
llvm-svn: 113235
 2010-09-07 18:14:24 +00:00