llvm-svn: 105065

were overspecified when inheriting sub-subregisters, for instance:

R0Q:subreg_even32 = R0Q:subreg_32bit = R0Q:subreg_even:subreg_32bit.

This meant that composeSubRegIndices(subreg_even, subreg_32bit) was ambiguous.

llvm-svn: 105063

llvm-svn: 105061

Schedule high latency instructions for latency reduction even if they are not vfp / NEON instructions.

llvm-svn: 105060

llvm-svn: 105059

llvm-svn: 105014

llvm-svn: 105012

llvm-svn: 105009

as is done with most other cast opcode predicates.

llvm-svn: 105008

llvm-svn: 105005

llvm-svn: 105001

getX86RegNum() does not happen.  Patch by Shantonu Sen!

llvm-svn: 104994

implementation that is correct for most targets. Tablegen will override where
needed.

Add MachineOperand::subst{Virt,Phys}Reg methods that correctly handle existing
subreg indices when sustituting registers.

llvm-svn: 104985

llvm-svn: 104980

llvm-svn: 104974

llvm-svn: 104970

make sure accesses to set up the jmpbuf don't get moved after it by the scheduler. Add a missing \n.

llvm-svn: 104967

llvm-svn: 104959

llvm-svn: 104958

llvm-svn: 104957

llvm-svn: 104953

reference the stack.

llvm-svn: 104951

effective no-op constructs, to make it more effective on
unoptimized IR.

llvm-svn: 104950

lib/Transforms/Utils and into lib/Analysis so that Analysis passes
can use them.

llvm-svn: 104949

llvm-svn: 104948

llvm-svn: 104945

llvm-svn: 104936

llvm-svn: 104935

llvm-svn: 104915

llvm-svn: 104914

llvm-svn: 104913

This will help reduce the amount of casting required on 64-bit targets.

llvm-svn: 104911

the instruction class for t2RSB to add that operand in svn r104582.
Radar 8033757.

llvm-svn: 104907

optimization level.

This only really affects llc for now because both the llvm-gcc and clang front
ends override the default register allocator. I intend to remove that code later.

llvm-svn: 104904

an alloca() or an llvm.stackrestore(). rdar://8031573

llvm-svn: 104900

llvm-svn: 104899

llvm-svn: 104897

and change llvm::sys::RunInterruptHandlers to call that function directly
instead of calling SignalHandler, because the rest of SignalHandler
invokes side effects which aren't appropriate, including raising the
signal.

llvm-svn: 104896

llvm-svn: 104891

llvm-svn: 104890