Patch contributed by m-s.

llvm-svn: 55167

and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.

llvm-svn: 55156

llvm-svn: 55154

llvm-svn: 55134

llvm-svn: 55133

llvm-svn: 55130

llvm-svn: 55129

intptr_t type in this case. FastISel can now select simple
getelementptr instructions.

llvm-svn: 55125

are actually deleted, so it's not necessary to remove re-used
nodes from the set.

llvm-svn: 55123

llvm-svn: 55099

llvm-svn: 55097

llvm-svn: 55092

llvm-svn: 55089

llvm-svn: 55085

llvm-svn: 55077

class hold a MachineRegisterInfo member, and make the
MachineBasicBlock be passed in to SelectInstructions rather
than the FastISel constructor.

llvm-svn: 55076

llvm-svn: 55075

llvm-svn: 55074

llvm-svn: 55072

llvm-svn: 55071

llvm-svn: 55070

llvm-svn: 55069

llvm-svn: 55067

llvm-svn: 55059

alignment and volatility information, such as loads and
stores, to reduce the number of integer values added to
the FoldingSetNodeID.

llvm-svn: 55058

llvm-svn: 55054

llvm-svn: 55050

llvm-svn: 55049

not have a fall-through successor.

llvm-svn: 55033

llvm-svn: 55031

a command-line option, so that the default behavior is an abort, which
is useful for exposing code that isn't supported yet.

llvm-svn: 55028

that aren't available as virtual registers (for now).

llvm-svn: 55026

llvm-svn: 55021

llvm-svn: 55020

llvm-svn: 55015

llvm-svn: 55014

llvm-svn: 55012

instead of the one that doesn't and then adding it manually.

llvm-svn: 55006

a desired opcode.

llvm-svn: 55005

With this patch, all of MultiSource/Applications and all of SPEC2000/2006 pass with
the SimpleSpiller and this fast-path enabled.

llvm-svn: 55000