inserted in a MBB, and return an already inserted MI.

This target API change is necessary to allow foldMemoryOperand to call
storeToStackSlot and loadFromStackSlot when folding a COPY to a stack slot
reference in a target independent way.

The foldMemoryOperandImpl hook is going to change in the same way, but I'll wait
until COPY folding is actually implemented. Most targets only fold copies and
won't need to specialize this hook at all.

llvm-svn: 107991

U    utils/TableGen/FastISelEmitter.cpp
--- Reverse-merging r107943 into '.':
U    test/CodeGen/X86/fast-isel.ll
U    test/CodeGen/X86/fast-isel-loads.ll
U    include/llvm/Target/TargetLowering.h
U    include/llvm/Support/PassNameParser.h
U    include/llvm/CodeGen/FunctionLoweringInfo.h
U    include/llvm/CodeGen/CallingConvLower.h
U    include/llvm/CodeGen/FastISel.h
U    include/llvm/CodeGen/SelectionDAGISel.h
U    lib/CodeGen/LLVMTargetMachine.cpp
U    lib/CodeGen/CallingConvLower.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
U    lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
U    lib/CodeGen/SelectionDAG/FastISel.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
U    lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
U    lib/CodeGen/SelectionDAG/InstrEmitter.cpp
U    lib/CodeGen/SelectionDAG/TargetLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.h
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86FastISel.cpp
U    lib/Target/X86/X86ISelLowering.h

llvm-svn: 107987

llvm-svn: 107980

This fixes PR7602.

llvm-svn: 107957

This fixes PR7601.

llvm-svn: 107955

llvm-svn: 107950

llvm-svn: 107949

a DBG_VALUE after a terminator, or emitting any instructions before an EH_LABEL.

llvm-svn: 107943

disabled and then never turned back on again.  Adjust some tests, one because
this change avoids an unnecessary instruction, and the other to make it
continue testing what it was intended to test.

llvm-svn: 107941

llvm-svn: 107930

This reverts commit 107921. It broke the clang self host.

llvm-svn: 107926

Relax assertion. In optimized code, it is possible that first instruction is coming from a inlined function.
This fixes PR7596 .

llvm-svn: 107923

if the inline ASM doesn't need a stack frame.

llvm-svn: 107922

llvm-svn: 107921

llvm-svn: 107919

Reuse DIEInteger for 1. This is frequently used while emitting an attribute using dwarf::DW_FORM_flag form.

llvm-svn: 107903

the simplification of frame index register scavenging to not have to check
for available registers directly and instead just let scavengeRegister()
handle it.

llvm-svn: 107880

EXTRACT_SUBREG no longer appears as a machine instruction. Use COPY instead.

Add isCopy() checks in many places using isMoveInstr() and isExtractSubreg().
The isMoveInstr hook will be removed later.

llvm-svn: 107879

Fix X86InstrInfo::convertToThreeAddressWithLEA to generate COPY instead of
INSERT_SUBREG.

llvm-svn: 107878

llvm-svn: 107868

This target hook is intended to replace copyRegToReg entirely, but for now it
calls copyRegToReg.

Any remaining calls to copyRegToReg wil be replaced by COPY instructions.

llvm-svn: 107854

Debug info intrinsics win for now.

llvm-svn: 107850

(if there are any) and use the one which remains available for the longest
rather than just using the first one. This should help enable better re-use
of the loaded frame index values. rdar://7318760

llvm-svn: 107847

prefer to materialize as local constants. This fixes the clang
bootstrap abort.

llvm-svn: 107840

llvm-svn: 107839

Keep track of abstract subprogram DIEs. 

llvm-svn: 107822

llvm-svn: 107820

didn't create a new block, don't reset the insert position.

llvm-svn: 107813

llvm-svn: 107810

llvm-svn: 107807

a separate DCE pass over MachineInstrs.

llvm-svn: 107804

a bunch of stuff, to allow the target-independent calling convention
logic to be employed.

llvm-svn: 107800

position when emitting multiple blocks when executing a custom
inserter.

llvm-svn: 107797

llvm-svn: 107796

llvm-svn: 107795

around everywhere, and also give it an InsertPt member, to enable isel
to operate at an arbitrary position within a block, rather than just
appending to a block.

llvm-svn: 107791

instance, rather than pointers to all of FunctionLoweringInfo's
members.

This eliminates an NDEBUG ABI sensitivity.

llvm-svn: 107789

allow target-specific fast-isel code to make use of it directly.

llvm-svn: 107787

code can do calling-convention queries. This obviates OutputArgReg.

llvm-svn: 107786

llvm-svn: 107781