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2012-02-28Reverted r152620 - DSE: Shorten memset when a later store overwrites the ↵Pete Cooper
start of it. There were all sorts of buildbot issues git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151621 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28DSE: Shorten memset when a later store overwrites the start of itPete Cooper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151620 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Oops...Don't commit the other stuff..Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151618 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Modify comment to reflect the importance of this code.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151617 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Add comments.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151615 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Do not reserve $gp as a dedicated global base register if the target ABI is ↵Akira Hatanaka
not O32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151614 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Strip extraneous information, if present, from the linker version string onCharles Davis
Mac OS X. Patch by Fabian Groffen, with a slight tweak by me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151612 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Add support for floating point base register + offset register addressing modeAkira Hatanaka
load and store instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151611 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Handle regmasks in MachineCSE.Jakob Stoklund Olesen
Don't attempt to extend physreg live ranges across calls. <rdar://problem/10942095> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151610 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Enable -Wcovered-switch-default as it matches the switch style used in llvm.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151609 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Handle regmasks in the machine code verifier.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151607 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Enable ARM base pointer when calling functions with large arguments.Jakob Stoklund Olesen
When an outgoing call takes more than 2k of arguments on the stack, we don't allocate that call frame in the prolog, but adjust the stack pointer immediately before the call instead. This causes problems with the emergency spill slot because PEI can't track stack pointer adjustments on the second pass, and if the outgoing arguments are too big, SP can't be used to reach the emergency spill slot at all. Work around these problems by ensuring there is a base or frame pointer that can be used to access the emergency spill slot. <rdar://problem/10917166> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151604 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28[Object] Add {begin,end}_dynamic_symbols stubs and implementation for ELF.Michael J. Spencer
Add -D option to llvm-nm to dump dynamic symbols. Patch by David Meyer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151600 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Fix 80-column violation.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151599 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Allow llvm-stress to optionally generate the other floating-point types ↵Hal Finkel
(half, ppcf128, mmx, etc.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151596 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Add back removed code. It still causes LLVM to miscompile. But not having it ↵Bill Wendling
breaks other things. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151594 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27This patch adds instruction latencies for the SSE instructionsPreston Gurd
to the instruction scheduler for the Intel Atom. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151590 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27test commit.Preston Gurd
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151588 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Duncan pointed out that if the alignment isn't explicitly specified, it ↵Eli Friedman
defaults to the ABI alignment. Given that, make this code a bit more aggressive in such cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151584 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Delete incorrect reference to inexistent Hexagon architecture manuals.Evandro Menezes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151582 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Don't use #if 0. Just remove until I can address this.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151580 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27XFAIL test until <rdar://problem/10913281> is fixed.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27The code that cleans up multiple, isomorphic types has a subtle error thatBill Wendling
manifests itself when building LLVM with LTO. <rdar://problem/10913281> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151576 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Remove duplicate copy of Object/ELF.h that somehow managed to get in.Michael J. Spencer
Patch by David Meyer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151575 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Fix for PR12090: clear def maps of aliases when visiting a copy. e.g.Evan Cheng
%S5<def> = COPY %S0<kill> First clear def map of Q1, etc. No small test case available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151574 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27ARM BL/BLX instruction fixups should use relocations.Jim Grosbach
We on the linker to resolve calls to the appropriate BL/BLX instruction to make interworking function correctly. It uses the symbol in the relocation to do that, so we need to be careful about being too clever. To enable this for ARM mode, split the BL/BLX fixup kind off from the unconditional-branch fixups. rdar://10927209 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151571 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Move "clang/Analysis/Support/SaveAndRestore.h" to "llvm/ADT/SaveAndRestore.h"Argyrios Kyrtzidis
to make it more widely available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151564 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Teach BasicAA about the LLVM IR rules that allow reading past the end of an ↵Eli Friedman
object given sufficient alignment. Fixes PR12098. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151553 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Test the section specification.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151552 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Fix PR12089Derek Schuff
http://llvm.org/bugs/show_bug.cgi?id=12089 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151550 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Reapply r151278 with fixes.Roman Divacky
MCize function entry label emission on PowerPC64 properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151547 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Add q suffix aliases for the fistp and fisttp mnemonics.Chad Rosier
rdar://10921670 PR11935 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151543 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Remove unnecessary template parameters.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151540 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Fix instruction predicates that were not set correctly.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151538 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Update machine code verifier.Jakob Stoklund Olesen
After the SlotIndex slot names were updated, it is possible to apply stricter checks to live intervals. Also treat bundles as bags of operands when checking live intervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151531 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Fix the symbolic operand added for the C disassmbler API for the ARM blKevin Enderby
thumb instruction. The PC adjustment is +4 in Thumb mode and +8 in ARM mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151530 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Add a MachineOperand iterator class.Jakob Stoklund Olesen
The MIOperands iterator can visit operands on a single instruction, or all operands in a bundle. This simplifies code like the register allocator that treats bundles as a set of operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151529 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Plog a memleak in GlobalOpt.Benjamin Kramer
Found by valgrind. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151525 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Micro-optimization, no functionality change.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151524 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Help the compiler to eliminate some dead code when hashing an array of TJay Foad
where sizeof (T) is a multiple of 4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151523 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27The value numbering function is recursive, so it is possible for multiple newDuncan Sands
value numbers to be assigned when calculating any particular value number. Enhance the logic that detects new value numbers to take this into account, for a tiny compile time speedup. Fix a comment typo while there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151522 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27When performing a conditional branch depending on the value of a comparisonDuncan Sands
%cmp (eg: A==B) we already replace %cmp with "true" under the true edge, and with "false" under the false edge. This change enhances this to replace the negated compare (A!=B) with "false" under the true edge and "true" under the false edge. Reported to improve perlbench results by 1%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151517 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Remove HexagonGenIntrinsics.inc from Hexagon cmake file. It does not appear ↵Craig Topper
in the Makefile and the output it produces isn't used. The Hexagon intrinsics are all in the global Intrinsics.gen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151514 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Update tblgen command guide. Remove unused tblgen InstrEnumEmitter files.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151513 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27delete useless comment&blankJia Liu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151512 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27Fix this assert. IP can point to an instruction with strange dominanceRafael Espindola
properties (invoke). Just assert that the instruction we return dominates the insertion point. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151511 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27X86 disassembler support for jcxz, jecxz, and jrcxz. Fixes PR11643. Patch by ↵Craig Topper
Kay Tiong Khoo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151510 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-26Remove more GCC FE build stuff.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151507 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-26Installing the GCC front end is no longer supported.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151506 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-26Cleanup the LLVM Getting Started page.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151505 91177308-0d34-0410-b5e6-96231b3b80d8
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