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Author SHA1 Message Date
Chad Rosier
92bcd96bbc When pattern matching during instruction selection make sure shl x,1 is not 
converted to add x,x if x is a undef.  add undef, undef does not guarantee
that the resulting low order bit is zero.
Fixes <rdar://problem/9453156> and <rdar://problem/9487392>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133022 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 22:29:10 +00:00
Rafael Espindola
1c61990b2d Check the llc output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133021 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 22:24:32 +00:00
Eli Friedman
4e3adfde65 PR10136: fix PPCTargetLowering::LowerCall_SVR4 so that a necessary CopyToReg doesn't appear to be dead. 
Roman, since you're writing tests for other PPC-SVR4 vararg-related stuff, would you mind writing a test for this?



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133018 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 22:16:20 +00:00
Anna Zaks
7bc5632218 Anna's test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133017 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 22:10:12 +00:00
Stuart Hastings
0ca7338083 Test case for x86 MMX inline asm. rdar://problem/8886707 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133014 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 21:51:38 +00:00
Jim Grosbach
6c3044db28 Revert 133010. Self-hosted buildbot unhappy. 
Apparently llvm itself generates undefined assembler local labels, causing
self-hosting problems with this patch. Reverting until that's sorted out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133013 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 21:51:20 +00:00
Jim Grosbach
c35dd25ab8 Diagnostic for undefined assembler local symbols. 
When an assembler local symbol is used but not defined in a module, a
Darwin assembler wants to issue a diagnostic to that effect.

rdar://9559714


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133010 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 21:13:25 +00:00
Rafael Espindola
29a3aa855e Add a test for the recent regression. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133009 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 20:38:50 +00:00
Eli Friedman
0fc3015ae8 Revert r133004 ; it's breaking nightly tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133007 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 19:30:33 +00:00
Rafael Espindola
b8018d8f88 Partial revert of 132882. 
Dan noted that this would work on the case shown on the commit message. I think
the case that was failing was a bb ending with a redundant conditional jump:

...
jne foo

foo:
...

I was unable to find any such case in the tests or in a debug build of clang,
so I will revert this part of the patch and watch the bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133004 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 18:12:31 +00:00
Evan Cheng
a6eb2562b6 Also recognize ARM v4t and v5e variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133002 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 18:08:33 +00:00
Dan Gohman
1ae4168e36 This test is still failing. Delete the rest of it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133001 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 18:07:36 +00:00
Dan Gohman
a3b9b007a8 Revert r132991. This test is failing on the 
llvm-gcc-x86_64-linux-selfhost buildbot and others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133000 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 18:03:11 +00:00
Jakob Stoklund Olesen
952036def9 Fix a compile time regression caused by too small hash tables. 
Measure the worst case number of probes for a miss instead of the less
conservative number of probes required for an insertion.

Lower the limit to < 6 probes worst case.

This doubles the size of the ARM and X86 hash tables, other targets are
unaffected. LiveVariables runs 12% faster with this change.

<rdar://problem/9598545>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132999 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 16:58:16 +00:00
Rafael Espindola
f924dea8dd Add 132986 back, but avoid non-determinism if a bb address gets reused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132995 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 15:31:54 +00:00
Nadav Rotem
ebf69c34c4 Add a testcase for #9623 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132991 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 13:23:10 +00:00
Rafael Espindola
7a07083c25 revert 132986 to see if the bots go green. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132988 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 12:48:26 +00:00
Nadav Rotem
bfdbd00d9d This testcase cause a failure on some bots. Remove the failing test until 
further investigation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132986 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 09:10:37 +00:00
Nadav Rotem
c2492c28ef Add a testcase for checking the integer-promotion of many different vector 
types (with power of two types such as 8,16,32 .. 512).

Fix a bug in the integer promotion of bitcast nodes. Enable integer expanding
only if the target of the conversion is an integer (when the type action is
scalarize).

Add handling to the legalization of vector load/store in cases where the saved
vector is integer-promoted.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132985 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 08:11:52 +00:00
Nadav Rotem
c7cb7ed013 Disable trunc-store simplification on vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132984 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 07:18:26 +00:00
Cameron Zwarich
5b93d3ca6f Be more obvious about what is being tested. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132982 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 06:33:51 +00:00
Rafael Espindola
f5b5c5156c Implement Jakob's suggestion on how to detect fall thought without calling 
AnalyzeBranch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132981 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 06:08:32 +00:00
Bruno Cardoso Lopes
79abd1c27c Since ARM's prefetch implementation predicted the presence of a instruction 
cache prefetch and now that the info from "prefetch" to "ARMPreload" is present,
only add a testcase for PLI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132978 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 05:11:46 +00:00
Bruno Cardoso Lopes
9a767330f5 Add one more argument to the prefetch intrinsic to indicate whether it's a data 
or instruction cache access. Update the targets to match it and also teach
autoupgrade.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132976 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 04:58:37 +00:00
Rafael Espindola
3a42565ccb Make the threshold used by branch folding softer. Before we would get a 
sharp all or nothing transition when one extra predecessor was added. Now
we still test first ones for merging.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132974 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 04:41:17 +00:00
Nick Lewycky
3c2f0a11cc Fit banner in 80-col and adjust whitespace. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132964 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 03:23:52 +00:00
Bill Wendling
740e5b3586 Heuristic: If the number of operands in the alias are more than the number of 
operands in the aliasee, don't print the alias.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132963 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 03:17:20 +00:00
John McCall
410eac5536 Test case for r132797. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132962 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 03:02:05 +00:00
John McCall
c975a51ac0 Use IRBuilder to make our intrinsic calls in the inliner so that we pick up 
line info correctly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132961 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 02:51:53 +00:00
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
Bill Wendling
1922a11907 Add compatibility version when compiling the Apple way. 
<rdar://problem/9600408>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132929 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 20:14:37 +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
Chris Lattner
83f9467436 mention graph vis isn't available in Release builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132916 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 15:59:35 +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
bc437ebbca Modify llvm-nm to use new Binary creation method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132912 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:12:42 +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