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Author SHA1 Message Date
Devang Patel
81ad03c020 Remove DbgDeclare only if all uses are converted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130431 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 20:32:02 +00:00
Lenny Maiorani
6cf081cbe5 Remove bounded StringRef::compare() since nothing but Clang SA was using it and it is just as easy to use StringRef::substr() preceding StringRef::compare() to achieve the same thing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130430 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 20:20:12 +00:00
Eli Friedman
d227eedf82 fast-isel sret calls, try 2. We actually do need to do something on x86-32. rdar://problem/9303592 . 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130429 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 20:19:12 +00:00
Benjamin Kramer
e12d583621 Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130428 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 20:09:57 +00:00
Chris Lattner
1e4f44bb8a improve comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130426 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 20:02:57 +00:00
Devang Patel
81199d2545 Do not lose line number info while eliminating tail call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130419 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 18:43:39 +00:00
Eli Friedman
3fb6e00238 Actually revert r130348 correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130418 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 18:20:24 +00:00
Chris Lattner
0a9e3d613b final step needed to resolve PR6627, which allows us to flatten the code down to 
a nice and tidy:
  %x1 = load i32* %0, align 4
  %1 = icmp eq i32 %x1, 1179403647
  br i1 %1, label %if.then, label %if.end

instead of doing lots of loads and branches.  May the FreeBSD bootloader
long fit in its allocated space.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130416 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 18:15:47 +00:00
Chris Lattner
ad3ba6a7de code cleanups only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130414 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 18:08:21 +00:00
Eli Friedman
6cf31b0a1a Revert r130348; causing buildbot issues on x86-32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130412 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 18:06:10 +00:00
Owen Anderson
4cdcb4772d Fix a bug in tblgen that caused incorrect encodings on instructions that specified operands with "bit" instead of "bits<1>". 
Unfortunately, my only testcase for this is fragile, and the ARM AsmParser can't round trip the instruction in question.
<rdar://problem/9345702>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130410 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 17:51:45 +00:00
Devang Patel
d78bfbc6bb Add command line option to print debug info in human readable form as comment in llvm IR output. This, i.e -enable-debug-info-comment, is very useful if you want to easily find out which optimization pass is losing line number information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130409 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 17:41:38 +00:00
Andrew Trick
88e92cf16b Reapply r130340: Fix for PR9730. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130408 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 17:30:04 +00:00
Benjamin Kramer
264ac878b2 InstCombine: Merge "(trunc x) == C1 & (and x, CA) == C2" into a single and+icmp. 
This happens when GVN widens loads. Part of PR6627.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130405 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 16:58:40 +00:00
Eric Christopher
7a20a37bac Be more layout aware here and swap the successor and branch condition 
if it means we get a fallthrough.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130404 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 16:52:09 +00:00
Chris Lattner
4756ecb375 centralize "marking for deletion" into a helper function. Pass GVN around to 
static functions instead of passing around tons of random ivars.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130403 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 16:36:48 +00:00
Chris Lattner
f07054d98a Promote toErase to be an ivar of the GVN class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130401 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 16:18:52 +00:00
Rafael Espindola
bfa27cc5d7 Add a getExprForPersonalitySymbol method to MCAsmInfo. Use it when 
converting the symbol passed to .cfi_personality into bytes is the file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130400 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 16:09:09 +00:00
Rafael Espindola
8bca4106df Mark the EH symbol global or weak if the corresponding function is. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130397 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 12:50:37 +00:00
Jay Foad
eb69732d56 Fix typos in comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130396 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 09:12:47 +00:00
Chandler Carruth
80d9e07262 Fix the last -Wnon-pod-memset I'm seeing. This is benign, but appears 
a bit more sinister as the memset doesn't do what the constructor does.
There seems to be a cleaner solution than a cast here though, instead we
can point the memset destination into the union its actually trying to
clear.

An alternative is to point to the Untyped member of this union. Review
appreciated, and if that is cleaner I'm happy to switch. All of these
should be functionally equivalent to the original code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130395 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 08:37:18 +00:00
Chandler Carruth
d7797496a3 Revert an unintended commit. Very sorry for this one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130393 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 08:18:22 +00:00
Chandler Carruth
776157ac92 Fix more -Wnon-pod-memset warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130392 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 08:17:08 +00:00
Chandler Carruth
e825d88aea nuke gold 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130391 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 08:17:05 +00:00
Chris Lattner
4034e14985 teach GVN to widen integer loads when they are overaligned, when doing an 
wider load would allow elimination of subsequent loads, and when the wider
load is still a native integer type.  This eliminates a ton of loads on 
various benchmarks involving struct fields, though it is somewhat hobbled
by clang not being very aggressive about field alignment.

This is yet another step along the way towards resolving PR6627.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130390 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 07:29:08 +00:00
Eric Christopher
8f232d307a Let the immediate leaf pattern take transforms and switch the signed 
immediate patterns in arm to using the pattern.

Handles rdar://9299434


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130386 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 05:49:04 +00:00
Chris Lattner
4c19b17a17 move PR9803 to this readme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130385 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 05:33:16 +00:00
Ted Kremenek
e6b693db8c Add utility method to DenseMap to return the amount of memory used for its buckets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130382 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 04:52:57 +00:00
Rafael Espindola
235b830328 Add a small temporary hack for producing identical eh_frame sections on OS X. 
This removes one of the main advantages of moving eh_frame to MC, but
makes the transition a lot easier to debug (run md5).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130379 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 04:04:14 +00:00
Rafael Espindola
514cecc72b Produce the EH_frame# symbols if needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130378 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 03:26:11 +00:00
Rafael Espindola
a8cfb87fa2 Forward isFunctionEHFrameSymbolPrivate. If it is false, produce the foo.eh 
symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130375 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 02:46:42 +00:00
Devang Patel
c26f5447e3 Teach dwarf writer to handle complex address expression for .debug_loc entries. 
This fixes clang generated blocks' variables' debug info.
Radar 9279956.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130373 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 02:22:40 +00:00
Chris Lattner
450ed1a05b silence some -Wnon-pod-memset warnings, since std::pair is not POD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130364 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:55:53 +00:00
Eli Friedman
bd1253809b Fix a silly mistake in r130338. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130360 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:42:03 +00:00
Justin Holewinski
2d525c5532 PTX: support for select_cc and fixes for setcc 
- expansion of SELECT_CC into SETCC
- force SETCC result type to i1
- custom selection for handling i1 using SETCC

Patch by Dan Bailey

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130358 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:19:56 +00:00
Justin Holewinski
9c86533347 PTX: support for select 
- selection of SELP instruction
- new selp.ll test

Patch by Dan Bailey

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130357 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:19:55 +00:00
Justin Holewinski
ef342fc751 PTX: mov fix and rounding correction for cvt 
- fix typo in MOV
- correct fp rounding on CVT
- new cvt.ll test

Patch by Dan Bailey

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130356 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:19:54 +00:00
Justin Holewinski
8ff9cd203f PTX: support for fneg 
- selection of FNEG instruction
- new fneg.ll test

Patch by Dan Bailey

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130355 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:19:53 +00:00
Justin Holewinski
4fea05acfa PTX: support for zext loads and trunc stores 
- expansion of EXTLOAD and TRUNCSTORE instructions

Patch by Dan Bailey

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130354 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:19:52 +00:00
Justin Holewinski
5a3cb924c6 PTX: support for bitwise operations on predicates 
- selection of bitwise preds (AND, OR, XOR)
- new bitwise.ll test

Patch by Dan Bailey

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130353 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:19:51 +00:00
Justin Holewinski
9583a86ba8 PTX: patch to AsmPrinter 
- immediate value cast as long not int
- handles initializer for constant array

Patch by Dan Bailey

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130352 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:19:50 +00:00
Andrew Trick
a7707ae19a Reverting r130340 in the unlikely event that it's responsible for a llvm-gcc stage2 compiler error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130350 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-28 00:13:59 +00:00
Eli Friedman
8211a6a61d fast-isel sret. We actually don't need to do anything special on x86. :) rdar://problem/9303592 . 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130348 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:58:52 +00:00
Johnny Chen
5a2336e794 Add tests for A8.6.110 NOP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130345 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:29:21 +00:00
Rafael Espindola
60246a9622 Remove unnecessary argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130343 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:17:57 +00:00
Rafael Espindola
7afec9cc0f Rename getPersonalityPICSymbol to getCFIPersonalitySymbol, document it, and 
give it a bit more responsibility. Also implement it for MachO.

If hacked to use cfi, 32 bit MachO will produce

.cfi_personality 155, L___gxx_personality_v0$non_lazy_ptr

and 64 bit will produce

.cfi_presonality ___gxx_personality_v0

The general idea is that .cfi_personality gets passed the final symbol. It is
up to codegen to produce it if using indirect representation (like 32 bit
MachO), but it is up to MC to decide which relocations to create.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130341 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:08:15 +00:00
Andrew Trick
685f07fac2 Fixes PR9730: indvars: An asserting value handle still pointed to this value 
Modified LinearFunctionTestReplace to push the condition on the dead
list instead of eagerly deleting it. This can cause unnecessary
IV rewrites, which should have no effect on codegen and will not be an
issue once we stop generating canonical IVs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130340 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 23:00:03 +00:00
Devang Patel
e1cdf84ee5 Simplify handling of variables with complex address (i.e. blocks variables) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 22:45:24 +00:00
Eli Friedman
2790ba8e5a Make the fast-isel code for literal 0.0 a bit shorter/faster, since 0.0 is common. rdar://problem/9303592 . 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130338 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 22:41:55 +00:00
Eli Friedman
161b887506 Remove unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130337 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-04-27 22:21:02 +00:00