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4 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
fbefc9125d Disable code placement for this test. 
It makes it less sensitive to small changes in heuristics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154857 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-16 20:49:06 +00:00
Lang Hames
f9e894d21d Change the constant in this testcase so that it results in a constant pool 
load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153704 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-29 23:52:38 +00:00
Jim Grosbach
ffc658b056 ARM VLDR/VSTR instructions don't need a size suffix. 
Canonicallize on the non-suffixed form, but continue to accept assembly that
has any correctly sized type suffix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144583 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-14 23:03:21 +00:00
Jakob Stoklund Olesen
1c062c24ab Fix -widen-vmovs liveness issues. 
When widening a copy, we are reading a larger register that may not be
live.  Use an <undef> flag to tell the register scavenger and machine
code verifier that we know the value isn't defined.

We now widen:

  %S6<def> = COPY %S4<kill>, %D3<imp-def>

into:

  %D3<def> = VMOVD %D2<undef>, pred:14, pred:%noreg, %S4<imp-use,kill>

This also keeps the <kill> flag on %S4 so we don't inadvertently kill a
live value in %S5.

Finally, ensure that ARMBaseInstrInfo::setExecutionDomain() preserves
the <undef> flag when converting VMOVD to VORR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141746 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-10-12 00:06:23 +00:00