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13d89c7976
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55093 Commits

Author SHA1 Message Date
Craig Topper
13d89c7976 Remove codegen only instruction in favor of one that has the same definition. Make some pattern operands more explicit about types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159126 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-25 06:16:00 +00:00
Jakob Stoklund Olesen
5213750e27 Teach PHIElimination to handle <undef> operands. 
When a PHI use is <undef>, don't emit a copy in the predecessor block,
but insert an IMPLICIT_DEF instruction instead. This ensures that
virtual register uses are always jointly dominated by defs, even if some
of them are IMPLICIT_DEF.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159121 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-25 03:36:12 +00:00
Jakob Stoklund Olesen
351c8818f2 Handle <undef> operands in TwoAddressInstructionPass. 
When the source register to a 2-addr instruction is undefined, there is
no need to attempt any transformations - simply replace the source
register with the destination register.

This also comes up when lowering IMPLICIT_DEF instructions - make sure
the <undef> flag is moved to the new partial register def operand:

  %vreg8<def> = INSERT_SUBREG %vreg9<undef>, %vreg0<kill>, sub_16bit
rewrite undef:
  %vreg8<def> = INSERT_SUBREG %vreg8<undef>, %vreg0<kill>, sub_16bit
convert to:
  %vreg8:sub_16bit<def,read-undef> = COPY %vreg0<kill>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159120 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-25 03:27:12 +00:00
Jakob Stoklund Olesen
82d58b147f %RCX is not a function live-out in eh.return functions. 
The function live-out registers must be live at all function returns,
and %RCX is only used by eh.return. When a function also has a normal
return, only %RAX holds a return value.

This fixes PR13188.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159116 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 15:53:01 +00:00
NAKAMURA Takumi
d5c407d2d0 llvm/lib: [CMake] Add explicit dependency to intrinsics_gen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159112 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 13:32:01 +00:00
Hal Finkel
768edf3cd0 Allow controlling vectorization of boolean values separately from other integer types. 
These are used as the result of comparisons, and often handled differently from larger integer types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159111 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 13:28:01 +00:00
Nick Lewycky
edb5842b7c Remove dyn_cast + dereference pattern by replacing it with a cast and changing 
the safety check to look for the same type we're going to actually cast to.
Fixes PR13180!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159110 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 10:15:42 +00:00
Craig Topper
e7f702fc2d Remove intrinsic specific instructions for (V)CVTPS2DQ and replace with patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159109 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 07:07:16 +00:00
Craig Topper
2123b18247 Remove intrinsic specific instructions for (V)CVTPS2DQ and replace with patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159108 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 06:55:37 +00:00
Craig Topper
081f931077 Fix build failures from r159106. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159107 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 06:08:31 +00:00
Craig Topper
66a69fa729 Remove intrinsic specific instructions for CVTPD2PS and replace with just patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159106 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 05:44:31 +00:00
Craig Topper
7f2ea14c68 Remove intrinsic specific instructions for CVTPD2DQ. Replace with patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159105 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 05:33:24 +00:00
Nick Lewycky
3eab3c4d40 Tab to spaces. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159104 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 04:07:14 +00:00
NAKAMURA Takumi
33f2139585 llvm/lib/Support/Errno.cpp: [Win32] Fix usage of strerror_s(). 
FYI, two arguments of strerror_s() is provided in C++ on msvc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159103 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 03:51:04 +00:00
NAKAMURA Takumi
a1c8420f1b VMCore/CMakeLists.txt: [CMake][MSVC] Add "/Og-" to Function.cpp on msvc10. Otherwise, it took over 20 minutes to compile. 
FIXME: Suppressing optimizations to core libraries would not be good thing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159097 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 03:48:29 +00:00
Nick Lewycky
917f99354f Remove a dangling reference to a deleted instruction. Fixes PR13185! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159096 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 01:44:08 +00:00
Pete Cooper
6e2db65266 Remove code i'd been testing with but didn't mean to commit. Oops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159094 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 00:08:36 +00:00
Pete Cooper
b49998d76c DAG legalisation can now handle illegal fma vector types by scalarisation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159092 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-24 00:05:44 +00:00
Craig Topper
c82b9a51a2 Remove intrinsic specific instructions for (V)CVTDQ2PS. Use a Pat instead instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159090 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 22:33:14 +00:00
Hal Finkel
e415f96b6a Allow BBVectorize to fuse compare instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159088 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 21:52:50 +00:00
Craig Topper
624a9c49d4 Make CVTDQ2PS instruction use SSE2 predicate instead of SSE1. No functional change because there are no patterns in the instructions. Also fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159087 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 20:52:45 +00:00
Craig Topper
6fc218e3a1 Move CVTPD2DQ to use SSE2 predicate instead of SSE3. Move DQ2PD and PD2DQ to the SSE2 section of the file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159086 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 20:15:42 +00:00
Benjamin Kramer
d52998a815 Add a microoptimization note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159082 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 15:19:31 +00:00
Hans Wennborg
6de8ffbbc9 Clean-up after r159077. 
Remove temporary GlobalVariable constructors now that Clang has been
updated (r159078).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159079 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 12:14:23 +00:00
Hans Wennborg
ce718ff9f4 Extend the IL for selecting TLS models (PR9788) 
This allows the user/front-end to specify a model that is better
than what LLVM would choose by default. For example, a variable
might be declared as

  @x = thread_local(initialexec) global i32 42

if it will not be used in a shared library that is dlopen'ed.

If the specified model isn't supported by the target, or if LLVM can
make a better choice, a different model may be used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159077 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 11:37:03 +00:00
Stepan Dyatkovskiy
47cbc4e0ee Optimized usage of new SwitchInst case values (IntegersSubset type) in Local.cpp, Execution.cpp and BitcodeWriter.cpp. 
I got about 1% of compile-time improvement on my machines (Ubuntu 11.10 i386 and Ubuntu 12.04 x64).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159076 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 10:58:58 +00:00
Craig Topper
fc76b8691e Use correct memory types for (V)CVTDQ2PD instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159075 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 08:30:27 +00:00
Craig Topper
0a2f793d6e Silence an unused variable warning on release builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159074 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 08:09:30 +00:00
Craig Topper
3ed920f308 Compress flags in X86 op folding to reduce space in static tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159073 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 08:01:18 +00:00
Craig Topper
f318457547 Make helper method static since it doesn't use anything in the class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159071 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 04:58:41 +00:00
Craig Topper
eea4a9b1e6 Remove intrinsic specific instructions for 128-bit (V)CVTDQ2PD. Replace with intrinsic patterns. Mem forms omitted because the load size is only 64-bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159070 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 04:23:36 +00:00
Jakob Stoklund Olesen
7806c0778f Teach LiveVariables to handle <undef> operands. 
It's simple: Don't treat <undef> operands as uses, and don't assume a
virtual register has a defining instruction unless a real use has been
seen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159061 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 02:23:00 +00:00
Rafael Espindola
ce0a5cda8a Handle aliases to tls variables in all architectures, not just x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159058 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 00:30:03 +00:00
Evan Cheng
fc47253294 (sub X, imm) gets canonicalized to (add X, -imm) 
There are patterns to handle immediates when they fit in the immediate field.
e.g. %sub = add i32 %x, -123
=>   sub r0, r0, #123
Add patterns to catch immediates that do not fit but should be materialized
with a single movw instruction rather than movw + movt pair.
e.g. %sub = add i32 %x, -65535
=>   movw r1, #65535
     sub r0, r0, r1

rdar://11726136


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159057 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 00:29:06 +00:00
Nuno Lopes
512be1f83e BoundsChecking: attach debug info to traps to make my life a bit more sane 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159055 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-23 00:12:34 +00:00
Jim Grosbach
70c9bf3c1a ARM: Add a better diagnostic for some out of range immediates. 
As an example of how the custom DiagnosticType can be used to provide
better operand-mismatch diagnostics, add a custom diagnostic for
the imm0_15 operand class used for several system instructions.
Update the tests to expect the improved diagnostic.

rdar://8987109

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159051 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 23:56:48 +00:00
Hal Finkel
009f7afbeb Add support for the PPC isel instruction. 
The isel (integer select) instruction is supported on the 440 and A2
embedded cores and on the POWER7.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159045 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 23:10:08 +00:00
Jakob Stoklund Olesen
0cafa139c0 Remove ProcessImplicitDefs.h which was unused. 
The ProcessImplicitDefs class can be local to its implementation file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159041 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 22:27:36 +00:00
Jakob Stoklund Olesen
f935e945c0 Also verify the def index for early clobbers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159039 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 22:23:58 +00:00
Chad Rosier
670712ca3f Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159035 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 22:07:19 +00:00
Jakob Stoklund Olesen
bfd752f310 Delete a boring statistic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159030 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 20:40:15 +00:00
Jakob Stoklund Olesen
7fa6784296 Store live intervals in an IndexedMap. 
It is both smaller and faster than DenseMap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159029 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 20:37:52 +00:00
Hal Finkel
b460a33829 Revert r158679 - use case is unclear (and it increases the memory footprint). 
Original commit message:
    Allow up to 64 functional units per processor itinerary.

    This patch changes the type used to hold the FU bitset from unsigned to uint64_t.
    This will be needed for some upcoming PowerPC itineraries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159027 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 20:27:13 +00:00
Evan Cheng
c90a1fcf9f EmitZerofill should take a 64-bit size or else it's chopping off large zero-filled global. rdar://11729134 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159023 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 20:14:46 +00:00
Jakob Stoklund Olesen
04ce06dc4c Fix a crash in --debug code. 
Don't try to print out the live range of a physreg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159021 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 19:51:41 +00:00
Jakob Stoklund Olesen
b150930910 Don't depend on live ranges being present. 
DBG_VALUE instructions could be referring to non-existing virtual
registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159020 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 18:51:35 +00:00
Jakob Stoklund Olesen
e024874d22 Simplify handleMove() a bit. 
There is no need to check for physreg live ranges. They don't exist any
more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159019 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 18:38:57 +00:00
Jakob Stoklund Olesen
27b7669a60 Stop computing physreg live ranges. 
Everyone is using on-demand regunit ranges now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159018 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 18:20:50 +00:00
Jakob Stoklund Olesen
e6d2114405 Remove some redundant LIS->hasInterval() checks. 
These functions only operate on virtual registers now, and they all have
live ranges.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159015 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 17:49:44 +00:00
Jakob Stoklund Olesen
834a9cdbb7 Use MRI::isConstantPhysReg() to check remat feasibility. 
Don't depend on LiveIntervals::hasInterval() to determine if a physreg
is reserved and constant.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159013 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-22 17:31:01 +00:00