llvm-svn: 121198

vpush instructions to save / restore VFP / NEON registers like this:
vpush {d8,d10,d11}
vpop {d8,d10,d11}

vpush and vpop do not allow gaps in the register list.
rdar://8728956

llvm-svn: 121197

functionality change.

llvm-svn: 121195

llvm-svn: 121186

llvm-svn: 121182

possible. They were duplicates for everything exception the source pattern
before.

llvm-svn: 121179

llvm-svn: 121176

llvm-svn: 121172

uses of the function's blocks with undef. This code isn't needed,
because BasicBlock's destructor handles such uses. Also, undef isn't
correct, since blockaddresses may still be used for comparisons
with null.

llvm-svn: 121170

Remove target specific node MipsISD::CMov, which is not used because all conditional moves are directly matched using tablegen patterns. If there's a need in the future, we can introduce it again

llvm-svn: 121164

(select (load (load tga0)) (load tga1)) => (load (select (load tga0) tga1))

Thanks to Akira for pointing that.

llvm-svn: 121163

llvm-svn: 121162

llvm-svn: 121160

llvm-svn: 121157

llvm-svn: 121153

Fix absolute recording of differences of symbols in two sections. Reduced from ctor_dtor_count-2.cpp.

llvm-svn: 121152

via their return value instead of an out parameter.

llvm-svn: 121149

comment.

llvm-svn: 121146

llvm-svn: 121142

The last uses of these functions were removed in r113852 when LazyValueInfo was permanently enabled and removed the need for them.

llvm-svn: 121133

zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.

llvm-svn: 121120

llvm-svn: 121119

llvm-svn: 121114

(if available) as we go so that we get simple constantexprs not insane ones.
This fixes the failure of clang/test/CodeGenCXX/virtual-base-ctor.cpp
that the previous iteration of this patch had.

llvm-svn: 121111

llvm-svn: 121110

namespace. None of them return anything except for success anyway. These will be
converted to returning their result soon.

llvm-svn: 121109

llvm-svn: 121108

llvm-svn: 121107

Or, global symbols @Lxxxx might be treated as temporal symbol by MCSymbol.

llvm-svn: 121103

CodeGenCXX/virtual-base-ctor.cpp.

llvm-svn: 121102

put in a global variable's initializer.

llvm-svn: 121100

llvm-svn: 121098

that close or unlink set.

llvm-svn: 121094

the standard macros instead of octal notation.

llvm-svn: 121093

llvm-svn: 121092

llvm-svn: 121091

Unix bug spotted by Dan Gohman.

llvm-svn: 121090

llvm-svn: 121085

Second attempt at converting Thumb2's LDRpci, including updating the gazillion places that need to know about it.

llvm-svn: 121082

actuall addresses in a .o file, so it is better to let the MachO writer compute
it.

This is good for two reasons. First, areas that shouldn't care about
addresses now don't have access to it. Second, the layout of each section
is independent. I should use this in a subsequent commit to speed it up.

Most of the patch is just removing the section address computation. The two
interesting parts are the change on how we handle padding in the end
of sections and how MachO can get the address of a-b when a and b are in
different sections.

Since now the expression evaluation normally doesn't know the section address,
it will think that a-b needs relocation and let the MachO writer know. Once
it has computed the section addresses, it calls back the expression evaluation
with the section addresses to resolve these expressions.

The remaining problem is the handling of padding. Currently it will create
a special alignment fragment at the end. Since that fragment doesn't update
the alignment of the section, it needs the real address to be computed.

Since now the layout will not compute a-b with a and b in different sections,
the only effect that the special alignment fragment has is update the
address size of the section. This can also be done by the MachO writer.

llvm-svn: 121076