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47763 Commits

Author SHA1 Message Date
Evan Cheng
e889c694d8 Update BitcodeWriter to match recent Triple changes. rdar://9603399 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132959 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 01:51:33 +00:00
Nick Lewycky
708c1ac077 Use Value::stripPointerCasts instead of reinventing part of the wheel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132954 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 00:59:24 +00:00
Cameron Zwarich
15cd80c16b Fix grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132952 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 23:39:23 +00:00
Jim Grosbach
f921c0fe34 Clean up a few 80 column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132946 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 22:54:22 +00:00
Cameron Zwarich
c0e2607564 Rename MergeInType to MergeInTypeForLoadOrStore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132940 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:43 +00:00
Cameron Zwarich
5179782cf0 Remove the HadAVector instance variable and replace it with a use of ScalarKind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132939 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:40 +00:00
Cameron Zwarich
9837a5c959 Remove a vacuous check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132938 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:38 +00:00
Cameron Zwarich
deb74f21f2 Have SRoA explicitly track the kind of scalar it is promoting. This is pretty 
spartan right now, but I plan to encode more information in this enum to improve
the correctness and reliability of SRoA. At least this first pass makes it
possible to make VectorTy an actual VectorType.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132937 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:35 +00:00
Cameron Zwarich
dd68912801 Remove an argument that is always true. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132936 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:31 +00:00
Jim Grosbach
7980f61f5f Fix coordination for using R4 in Thumb1 as a scratch for SP restore. 
The logic for reserving R4 for use as a scratch needs to match that for
actually using it. Also, it's not necessary for immediate <=508, so adjust
the value checked.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132934 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:18:25 +00:00
Evan Cheng
ff276b40f0 Aliased flag options should be directed to stdout, not stderr to be consistent. Patch by Julien Lerouge. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132931 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 20:45:54 +00:00
Stuart Hastings
7ac8f8f341 Avoid fusing bitcasts with dynamic allocas if the amount-to-allocate 
might overflow.  Re-typing the alloca to a larger type (e.g. double)
hoists a shift into the alloca, potentially exposing overflow in the
expression.  rdar://problem/9265821


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132926 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 18:48:49 +00:00
Benjamin Kramer
afa88eaf65 Move class into an anonymous namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132925 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 18:38:56 +00:00
Nadav Rotem
00404bfaef Fix a bug in FindMemType. When widening vector loads, use a wider memory type 
only if the number of packed elements is a power of two.
Bug found in Duncan's testcase.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132923 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 18:13:24 +00:00
Benjamin Kramer
e7fdcad2f2 InstCombine: Fold A-b == C --> b == A-C if A and C are constants. 
The backend already knew this trick.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132915 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 15:24:24 +00:00
Benjamin Kramer
aa99bea46f Revert r132910 and r132909 on behalf of Michael. They didn't build with clang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132914 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 12:56:51 +00:00
Michael J. Spencer
5e45dc40d3 Revert the last two commits in the series. r132911, r132912. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132913 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:53:31 +00:00
Michael J. Spencer
69aec36f9b Make Binary the parent of ObjectFile and update children to new interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132911 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:12:33 +00:00
Michael J. Spencer
fc9ec691da Add Binary class. This is a cleaner parent than ObjectFile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132910 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:12:12 +00:00
Michael J. Spencer
bf58996c08 Add Object/Error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132909 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:11:59 +00:00
Michael J. Spencer
cbda61a468 Fix spelling and sort CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132908 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:11:39 +00:00
Nick Lewycky
9a488a8317 It's possible that an all-zero GEP may be used as the argument to lifetime 
intrinsics. In fact, we'll optimize a bitcast to that when possible. Detect it
when looking for the lifetime intrinsics.

No test case, noticed by inspection.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132906 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 07:52:46 +00:00
Jakob Stoklund Olesen
5e5ed44577 Be less aggressive about hinting in RAFast. 
In particular, don't spill dirty registers only to satisfy a hint. It is
not worth it.

The attached test case provides an example where the fast allocator
would spill a register when other registers are available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132900 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 03:26:46 +00:00
Jakob Stoklund Olesen
687397c013 Include callee-saved registers in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132899 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 03:26:42 +00:00
Rafael Espindola
fb66f477a1 Fix invalid uses of Twine. Hopefully this fixes the problem that Takumi is 
having.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132898 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 03:09:13 +00:00
Benjamin Kramer
ffd0ae64c4 InstCombine: Shrink ((zext X) & C1) == C2 to fold away the cast if the "zext" and the "and" have one use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132897 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 22:48:00 +00:00
Benjamin Kramer
7e7c9cc31a Simplify code. No functionality changes, name changes aside. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132896 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 22:47:53 +00:00
Nadav Rotem
0c3e67860a Fix a bug in the calculation of the vectorTypeBreakdown into registers. Odd 
types such as i33 were rounded to i32. Originated from Duncan's testcase.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132893 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 14:56:55 +00:00
Nadav Rotem
b05f14b3b9 Improve the generated code by getCopyFromPartsVector for promoted integer types. 
Instead of scalarizing, and doing an element-by-element truncat, use vector
truncate.
Add support for scalarization of vectors:  i8 -> <1 x i1> (from Duncan's
testcase).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132892 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 14:49:38 +00:00
Rafael Espindola
1edc08b09f Really fix the fall-through logic. 
Add a triple to the tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132885 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 05:57:01 +00:00
Rafael Espindola
571e20fc50 Fix silly bug I introduce in the previous commit. Fixes debug builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132883 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 05:26:32 +00:00
Rafael Espindola
4509ec42b8 AnalyzeBranch doesn't change which successors a bb has, just the order 
we try to branch to them.

Before we were creating successor lists with duplicated entries. Fixing that
found a bug in isBlockOnlyReachableByFallthrough that would causes it to
return the wrong answer for

-----------
...
jne foo
jmp bar

foo:
----------

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132882 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 03:20:32 +00:00
Charles Davis
aff232a594 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132880 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 01:45:54 +00:00
Chad Rosier
8c1ec5a0a2 Revert r132871. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132872 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-11 02:27:46 +00:00
Chad Rosier
e4c705667b Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132871 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-11 02:16:36 +00:00
Eli Friedman
8a37aba693 Make sure to pass OpFlags into MachineInstrBuilder::addExternalSymbol; the 
memcpy/memset symbol doesn't get marked up correctly in PIC modes otherwise.
Should fix llvm-x86_64-linux-checks buildbot.  Followup to r132864.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132869 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-11 01:55:07 +00:00
Andrew Trick
f289df2d95 Branch profiling: floating-point avoidance. 
Patch by: Jakub Staszak!

Introduces BranchProbability. Changes unsigned to uint32_t all over and
uint64_t only when overflow is expected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132867 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-11 01:05:22 +00:00
Eli Friedman
25255cbe00 Add full x86 fast-isel support for memcpy and memset. 
rdar://9431466



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132864 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 23:39:36 +00:00
Eric Christopher
b3e009a165 80-col cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132863 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 23:05:08 +00:00
Dan Gohman
9a09ca348f Initialize BasicAA's AliasCache to set it to use fewer buckets by 
default, since it usually has very few elements. This speeds up
alias queries in many cases, because AliasCache.clear() doesn't
have to visit as many buckets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132862 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 22:30:30 +00:00
Rafael Espindola
33b4658772 Removed tabs. Also fixed my editor... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132857 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 21:01:53 +00:00
Cameron Zwarich
a86686e643 Provide an ARMCCState subclass of CCState so that ARM clients will always set 
CallOrPrologue correctly and eliminate the existing setter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132856 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 20:59:24 +00:00
Cameron Zwarich
a50760f43b Rename the ParmContext enum values to make a bit more sense and add a small 
comment on their meaning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132854 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 20:37:36 +00:00
Cameron Zwarich
a0f803a2e3 Remove tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132853 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 20:31:39 +00:00
Cameron Zwarich
cbd09bdf4b Remove a pointless const_cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132852 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 20:30:08 +00:00
Rafael Espindola
9a9a3a5c0f Remove duplicated test. 
Thanks Bob Wilson for noticing it!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132851 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 20:08:23 +00:00
Eli Friedman
be5cbaa627 PR10092 (second try): Don't crash on a load without a momoperand; fast-isel creates loads like this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132826 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 01:13:01 +00:00
Chad Rosier
348d542199 Ensure that EmitGlobalVariable is correctly differentiating between declarations 
and definitions when emitting global variables.  This was causing global 
declarations to be emitted as if they were definitions.
Fixes <rdar://problem/9429892>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132825 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-10 00:53:15 +00:00
Rafael Espindola
d3f4eeaec1 Make the optional verification step more strict. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132822 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-09 23:55:56 +00:00
Rafael Espindola
4d7b4573f9 Avoid a gcc warning about multiline comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132821 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-09 23:51:45 +00:00