This patch migrates the strcspn optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

llvm-svn: 167675

llvm-svn: 167674

llvm-svn: 167673

llvm-svn: 167671

llvm-svn: 167670

llvm-svn: 167669

llvm-svn: 167663

Several of the simplifiers migrated from the simplify-libcalls pass to
the instcombine pass were not correctly checking the target library
information to gate the simplifications.  This patch ensures that the
check is made.

llvm-svn: 167660

In the process of migrating optimizations from the simplify-libcalls pass
to the instcombine pass I noticed that a few functions are missing from
the target library information.  These functions need to be available for
querying in the instcombine library call simplifiers.  More functions will
probably be added in the future as more simplifiers are migrated to
instcombine.

llvm-svn: 167659

xfail a bad test. This is a MC test but it's dependent on a codegen optimization which is now disabled.

llvm-svn: 167658

mov lr, pc
b.w _foo

The "mov" instruction doesn't set bit zero to one, it's putting incorrect
value in lr. It messes up backtraces.

rdar://12663632

llvm-svn: 167657

llvm-svn: 167652

Affects SM 2.0+.  Fixes bug 13324.

llvm-svn: 167646

Avoid iterating over list of operands beyond the number of operands in it.

PS: this fixes issue with revision #167634.
llvm-svn: 167635

Avoid iterating over list of operands beyond the number of operands in it.

llvm-svn: 167634

Based on the patch by Logan Chien!

llvm-svn: 167633

reverts r126226.

llvm-svn: 167632

The RegMaskSlots contains 'r' slots while NewIdx and OldIdx are 'B'
slots. This broke the checks in the assertions.

This fixes PR14302.

llvm-svn: 167625

llvm-svn: 167622

rdar://12340498

llvm-svn: 167620

llvm-svn: 167618

llvm-svn: 167615

llvm-svn: 167612

If the arrays are found to be disjoint then we run the vectorized version of
the loop. If they are not, we run the scalar code.

llvm-svn: 167608

llvm-svn: 167607

llvm/ConstantFolding.cpp: Make ReadDataFromGlobal() and FoldReinterpretLoadFromConstPtr() Big-endian-aware.

llvm-svn: 167595

This is safe for x87 long doubles and ppc double doubles too.

llvm-svn: 167582

Improve ARM build attribute emission for architectures types.
This also changes the default architecture emitted for a generic CPU to "v7".

llvm-svn: 167574

- Add RTM code generation support throught 3 X86 intrinsics:
  xbegin()/xend() to start/end a transaction region, and xabort() to abort a
  tranaction region

llvm-svn: 167573

This patch migrates the strspn optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

llvm-svn: 167568

llvm-svn: 167560

values in a map that can be passed to consumers. Add a testcase that
ensures this works for llvm-dwarfdump.

llvm-svn: 167558

is available.

llvm-svn: 167552

Patch by Sasa Stankovic.

llvm-svn: 167548

llvm-svn: 167546

llvm-svn: 167545

llvm-svn: 167544

llvm-svn: 167543

This also changes the default architecture emitted for a generic CPU to "v7".

llvm-svn: 167540

llvm-svn: 167536