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279 Commits

Author SHA1 Message Date
Bill Wendling
4958d250c9 Remove unused function. 
llvm-svn: 135635
 2011-07-20 23:07:42 +00:00
Bill Wendling
55eb4a26d9 Remove the now defunct getCompactUnwindEncoding method from the frame lowering code. 
llvm-svn: 135634
 2011-07-20 23:04:09 +00:00
Evan Cheng
10c6820ff4 Move getInitialFrameState from TargetFrameInfo to MCAsmInfo (suggestions for 
better location welcome).

llvm-svn: 135438
 2011-07-18 22:29:13 +00:00
Bill Wendling
ed868b039b * Redo the permutation encoding for frameless stacks to be more like what the 
unwind library expects.
* Comment the permutation encoding for frameless stacks.

llvm-svn: 135202
 2011-07-14 22:01:34 +00:00
Bill Wendling
e896e46a8c Add code to handle a "frameless" unwind stack. 
The frameless unwind stack has a special encoding, the algorithm for which is in
"permuteEncode".

llvm-svn: 135103
 2011-07-13 23:03:31 +00:00
Bill Wendling
e6de1eeb86 Don't emit the FDE end label if the last thing emitted was a compact unwind and 
not the FDE

llvm-svn: 135020
 2011-07-13 00:49:09 +00:00
Bill Wendling
78fce7597f Assign variable before we test it. 
llvm-svn: 135015
 2011-07-13 00:23:39 +00:00
Bill Wendling
d61dd044e1 Fix obvious think-o. 
llvm-svn: 135014
 2011-07-13 00:20:09 +00:00
Bill Wendling
9e1528dea4 Clean up the handling of an EBP/RBP unwind frame pointer. In particular, don't 
assert when the frame pointer is -1 (i.e., the function is "frameless").

Still to do: "frameless" unwind information.

llvm-svn: 135013
 2011-07-13 00:16:14 +00:00
Bill Wendling
2b47bfeaa9 Use ArrayRef instead of a std::vector&. 
llvm-svn: 134595
 2011-07-07 04:42:01 +00:00
Bill Wendling
ba39846c2b Add a target hook to encode the compact unwind information. 
llvm-svn: 134577
 2011-07-07 00:54:13 +00:00
Nick Lewycky
6a95970b19 Fit banner in 80-col and adjust whitespace. No functionality changes. 
llvm-svn: 132964
 2011-06-14 03:23:52 +00:00
Charles Davis
27dba856ab Put FrameSetup flag on x86 instructions that set up the call frame. No 
functionality change.

Later on, we'll use the flag to emit SEH pseudo-ops that describe how the
call frame was built.

llvm-svn: 132880
 2011-06-12 01:45:54 +00:00
Rafael Espindola
70213c7c5f Replace the -unwind-tables option with a per function flag. This is more 
LTO friendly as we can now correctly merge files compiled with or without
-fasynchronous-unwind-tables.

llvm-svn: 132033
 2011-05-25 03:44:17 +00:00
Rafael Espindola
59c3a084c6 Print all the moves at a given label instead of just the first one. 
Remove previous DwarfCFI hack.

llvm-svn: 130187
 2011-04-26 03:58:56 +00:00
Rafael Espindola
99831068c8 Add 129518 back with a fix for when we are producing eh just because of debug info. 
Change ELF systems to use CFI for producing the EH tables. This reduces the
size of the clang binary in Debug builds from 690MB to 679MB.

llvm-svn: 129571
 2011-04-15 15:11:06 +00:00
Chris Lattner
0304b82f80 Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!

llvm-svn: 129558
 2011-04-15 05:18:47 +00:00
NAKAMURA Takumi
7aed456653 Revert r129518, "Change ELF systems to use CFI for producing the EH tables. This reduces the" 
It broke several builds.

llvm-svn: 129557
 2011-04-15 03:35:57 +00:00
Rafael Espindola
d5eed657e2 Change ELF systems to use CFI for producing the EH tables. This reduces the 
size of the clang binary in Debug builds from 690MB to 679MB.

llvm-svn: 129518
 2011-04-14 15:18:53 +00:00
NAKAMURA Takumi
cabdaca3c7 Target/X86: [PR8777][PR8778] Tweak alloca/chkstk for Windows targets. 
FIXME: Some cleanups would be needed.
llvm-svn: 128206
 2011-03-24 07:07:00 +00:00
NAKAMURA Takumi
b35d45a714 Target/X86: Always emit "push/pop GPRs" in prologue/epilogue and emit "spill/reload frames" for XMMs. 
It improves Win64's prologue/epilogue but it would not affect ia32 and amd64 (lack of nonvolatile XMMs).

llvm-svn: 126568
 2011-02-27 08:47:19 +00:00
NAKAMURA Takumi
07a84f5950 Target/X86: Tweak allocating shadow area (aka home) on Win64. It must be enough for caller to allocate one. 
llvm-svn: 124949
 2011-02-05 15:11:32 +00:00
NAKAMURA Takumi
c4522ab931 Target/X86: Fix whitespace. 
llvm-svn: 124946
 2011-02-05 15:10:54 +00:00
Carl Norum
667d5dbdcb Test commit - fix a double 'should' in a comment. 
llvm-svn: 124652
 2011-02-01 07:38:42 +00:00
Evan Cheng
0e8c521bbd Patches to build EFI with Clang/LLVM. By Carl Norum. 
llvm-svn: 124639
 2011-02-01 01:14:13 +00:00
Anton Korobeynikov
6b2f110a3d Cleanup 
llvm-svn: 123475
 2011-01-14 21:57:58 +00:00
Jakob Stoklund Olesen
918de3a3b8 Fix a few more places that should use MBB::getLastNonDebugInstr(). 
llvm-svn: 123408
 2011-01-13 22:47:43 +00:00
Jakob Stoklund Olesen
0f2b9d9dc4 Teach frame lowering to ignore debug values after the terminators. 
llvm-svn: 123399
 2011-01-13 21:28:52 +00:00
Anton Korobeynikov
cf5967630b 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