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Author SHA1 Message Date
Jakob Stoklund Olesen
d7896b41a3 Iterate backwards over debug locations when splitting them so they can be safely erased. 
This should unbreak dragonegg-i386-linux and build-self-4-mingw32.

llvm-svn: 131007
 2011-05-06 19:31:19 +00:00
Jim Grosbach
780c27bb61 Improve diagnostics for some parse errors. Not asserting when a user input 
error is detected is a good thing.

llvm-svn: 131005
 2011-05-06 18:47:45 +00:00
Jim Grosbach
f1f78457f3 ParseFile() may throw, so extend the try/catch to handle that. 
llvm-svn: 131004
 2011-05-06 18:39:28 +00:00
Galina Kistanova
7371b0a61e Move few target-dependant tests to appropriate directories. 
llvm-svn: 131002
 2011-05-06 18:24:46 +00:00
Andrew Trick
7e699489f1 Typo: Reviewed by Alistair. 
llvm-svn: 131001
 2011-05-06 18:14:32 +00:00
Rafael Espindola
b098ac2b95 Pass -disable-cfi to llc. 
llvm-svn: 130999
 2011-05-06 18:01:58 +00:00
Jakob Stoklund Olesen
6e6ed39f02 Update LiveDebugVariables after live range splitting. 
After a virtual register is split, update any debug user variables that resided
in the old register. This ensures that the LiveDebugVariables are still correct
after register allocation.

This may create DBG_VALUE instructions that place a user variable in a register
in parts of the function and in a stack slot in other parts. DwarfDebug
currently doesn't support that.

llvm-svn: 130998
 2011-05-06 18:00:02 +00:00
Jakob Stoklund Olesen
27f4581ec6 Use TargetMachine hooks to properly print debug variable locations. 
llvm-svn: 130997
 2011-05-06 17:59:59 +00:00
Jakob Stoklund Olesen
04122feb16 Also count identity copies. 
llvm-svn: 130996
 2011-05-06 17:59:57 +00:00
Rafael Espindola
2534f45206 Pass -disable-cfi. 
llvm-svn: 130995
 2011-05-06 17:44:58 +00:00
Andrew Trick
6e2ccb7b00 Post-RA scheduler compile time fix. Quadratic computation of DAG node depth. 
The post-ra scheduler was explicitly updating the depth of a node's
successors after scheduling it, regardless of whether the successor
was ready. This is quadratic for DAGs with transitively redundant
edges. I simply removed the useless update of depth, which is lazilly
computed later.
Fixes <rdar://problem/9044332> compiler takes way too long to build TextInput.

llvm-svn: 130992
 2011-05-06 17:09:08 +00:00
Devang Patel
188fd17fe4 Move CompileUnit::getOrCreateNameSpace() and CompileUnit::addPubType() from DwarfDebug.cpp to DwarfCompileUnit.cpp 
llvm-svn: 130991
 2011-05-06 16:57:54 +00:00
Rafael Espindola
a4de174c00 Nothing else uses this label. 
llvm-svn: 130989
 2011-05-06 15:44:29 +00:00
Rafael Espindola
ef239d2fdc Yet more dead code. 
llvm-svn: 130988
 2011-05-06 15:31:55 +00:00
Rafael Espindola
4228ece8fd Update comments. 
llvm-svn: 130987
 2011-05-06 15:28:56 +00:00
Rafael Espindola
9b57a8739e More dead code elimination. 
llvm-svn: 130985
 2011-05-06 15:22:26 +00:00
Rafael Espindola
59462d8ae3 Dead code elimination. 
llvm-svn: 130984
 2011-05-06 14:56:22 +00:00
Justin Holewinski
e4a7007565 PTX: add PTX 2.3 language target 
Patch by Wei-Ren Chen

llvm-svn: 130980
 2011-05-06 11:40:36 +00:00
Duncan Sands
c4d27a63a4 Fix PR9820: a read-only call differs from a load in that a load doesn't 
return the pointer being dereferenced, it returns the pointee, but a call
might return the pointer itself.

llvm-svn: 130979
 2011-05-06 10:30:37 +00:00
Eli Friedman
f7b4d848ae Re-revert r130877; it's apparently causing a regression on 197.parser, 
possibly related to cbnz formation.

llvm-svn: 130977
 2011-05-06 05:23:07 +00:00
Nick Lewycky
eef7bead41 The computation of string length is not that complicated. Fix it, again. :) 
llvm-svn: 130967
 2011-05-05 23:52:18 +00:00
Rafael Espindola
37aa9169a8 Remove DwarfTableException. 
llvm-svn: 130964
 2011-05-05 23:19:54 +00:00
Rafael Espindola
f109f01ec2 Remove the DwarfTable enum. 
llvm-svn: 130959
 2011-05-05 22:14:31 +00:00
Devang Patel
29780325b3 In debug output, clearly list new instructions without DebugLoc. 
llvm-svn: 130957
 2011-05-05 22:05:57 +00:00
Devang Patel
99147805e4 Remove little used statistical counter. 
llvm-svn: 130955
 2011-05-05 22:00:08 +00:00
Eli Friedman
c562cbdb82 PR9838: Fix transform introduced in r127064 to not trigger when only one side of the icmp is an exact shift. 
llvm-svn: 130954
 2011-05-05 21:59:18 +00:00
Rafael Espindola
6612ce475e Move PPC Linux to CFI. 
llvm-svn: 130951
 2011-05-05 21:34:33 +00:00
Nick Lewycky
aed53f33f0 Fix typo. No functional change. 
llvm-svn: 130949
 2011-05-05 21:27:14 +00:00
Rafael Espindola
a84abb2226 Implement a really simple DwarfSjLjException. 
llvm-svn: 130947
 2011-05-05 20:48:31 +00:00
Rafael Espindola
a99111bae9 List all exception types in a switch. 
llvm-svn: 130944
 2011-05-05 19:48:34 +00:00
Andrew Trick
cd459f78ef ARM post RA scheduler compile time fix. 
BuildSchedGraph was quadratic in the number of calls in the basic
block. After this fix, it keeps only a single call at the top of the
DefList so compile time doesn't blow up on large blocks. This reduces
postRA sched time on an external test case from 81s to 0.3s.  Although
r130800 (reduced ARM register alias defs) also partially fixes the
issue by reducing the constant overhead of checking call interference
by an order of magnitude.

Fixes <rdar://problem/7662664> very poor compile time with post RA scheduling.

llvm-svn: 130943
 2011-05-05 19:32:21 +00:00
Andrew Trick
5946376390 whitespace 
llvm-svn: 130942
 2011-05-05 19:24:06 +00:00
Rafael Espindola
ab39b8319b Don't produce a __debug_frame. 
I tested both gdb on a bootstrapped clang and and the gdb testsuite on OS X (snow leopard)
and both are happy using __eh_frame.

llvm-svn: 130937
 2011-05-05 18:43:39 +00:00
Galina Kistanova
1d93d48152 Many LLVM tests relies on standard output stream be in the binary mode. Which is not always the case (on Windows in particular). The patch adds a test to verify that the standard output stream is actually in the binary mode. 
llvm-svn: 130936
 2011-05-05 18:40:27 +00:00
Owen Anderson
35f6bae989 Allow FastISel of three-register-operand instructions. 
llvm-svn: 130934
 2011-05-05 17:59:04 +00:00
Devang Patel
3d0c5dc9fd If debug info for inlined function is missing then handle it gracefully. 
llvm-svn: 130933
 2011-05-05 17:54:26 +00:00
Eli Friedman
959064eae3 PR9848: pandn is not commutative. 
No test because I can't think of any way to write one that won't break quickly.

llvm-svn: 130932
 2011-05-05 17:45:31 +00:00
Jakob Stoklund Olesen
fa1e44c83e Add some statistics to the splitting and spilling frameworks. 
llvm-svn: 130931
 2011-05-05 17:22:53 +00:00
Eli Friedman
09ec41fcde Avoid extra vreg copies for arguments passed in registers. Specifically, this can make MachineCSE more effective in some cases (especially in small functions). PR8361 / part of rdar://problem/8259436 . 
llvm-svn: 130928
 2011-05-05 16:53:34 +00:00
Jakob Stoklund Olesen
4661916c8f Fix test to be less sensitive to coalescing. 
This should unbreak llvm-gcc-i386-linux-selfhost.

llvm-svn: 130927
 2011-05-05 16:48:00 +00:00
Eli Friedman
367747bccd Small syntax cleanup; we don't need to #define constants in C++. No functionality change intended. 
llvm-svn: 130926
 2011-05-05 16:25:23 +00:00
Eli Friedman
9d2cd1cac4 Minor correction to r130877; fixes PR9846 and hopefully the buildbot failures. 
llvm-svn: 130925
 2011-05-05 16:18:11 +00:00
Hongbin Zheng
8785489968 Minor change: Fix the typo in RegionPass.h and RegionPass.cpp. 
llvm-svn: 130920
 2011-05-05 13:59:38 +00:00
Bill Wendling
7a13f3bde3 Remove a flag that would set the ".eh" symbol as .globl. MachO was the only one 
who used this flag, and it now emits CFI and doesn't emit this anymore. All
other targets left this flag "false".
<rdar://problem/8486371>

llvm-svn: 130918
 2011-05-05 06:49:15 +00:00
Mikhail Glushenkov
6a346f7333 llvmc: Make 'true' and 'false' instances of a 'Bool' class. 
llvm-svn: 130915
 2011-05-05 04:25:03 +00:00
Mikhail Glushenkov
14e7792820 llvmc: Make it possible to provide an argument to (join). 
llvm-svn: 130914
 2011-05-05 04:24:58 +00:00
Nick Lewycky
c537bf5a97 Update the gcov version used slightly, to make it stop causing modern gcov's to 
crash.

llvm-svn: 130911
 2011-05-05 02:46:38 +00:00
Nick Lewycky
83b0b39eff Remove dead function. 
llvm-svn: 130903
 2011-05-05 00:17:34 +00:00
Nick Lewycky
94f2ee1bef When the path wasn't emitted by the frontend, discard any path on the source 
filename.

llvm-svn: 130897
 2011-05-05 00:03:30 +00:00
Jakob Stoklund Olesen
357867ae35 Disable physical register coalescing by default. 
Joining physregs is inherently dangerous because it uses a heuristic to avoid
creating invalid code. Linear scan had an emergency spilling mechanism to deal
with those rare cases. The new greedy allocator does not.

The greedy register allocator is much better at taking hints, so this has almost
no impact on code size and quality. The few cases where it matters show up as
unit tests that now have -join-physregs enabled explicitly.

llvm-svn: 130896
 2011-05-04 23:59:00 +00:00