The local register allocator doesn't like it when LiveVariables is run.
We should also disable edge splitting under -O0, but that has to wait a bit.

llvm-svn: 89125

llvm-svn: 89123

Added getArchNameForAssembler method to the Triple class for which returns OS and Vendor independent target assembler arch.

llvm-svn: 89122

unnecessary.  It is broken because the "isIdenticalTo" check should be
negated.  If that is fixed, this code causes the CodeGen/X86/tail-opts.ll
test to fail, in the dont_merge_oddly function.  And, I confirmed that the
regression is real -- the generated code is worse.  As far as I can tell,
that tail-opts.ll test is checking for what this code is supposed to handle
and we're doing the right thing anyway.

llvm-svn: 89121

llvm-svn: 89116

llvm-svn: 89114

of failure. The x86 target didn't like empty cpu names and broke x86 tests on
non-x86 buildbots.

llvm-svn: 89111

llvm-svn: 89110

folding optimizations.

llvm-svn: 89109

distinguish between them and the more generic instructions (add, mov, and ldr).

llvm-svn: 89108

It was too difficult to keep the heuristics for merging and duplication
consistent.

llvm-svn: 89105

llvm-svn: 89099

llvm-svn: 89093

2.  Allow SCCIterator to work with inverse graphs.
3.  Fix an incorrect comment in GraphTraits.h (the type in the comment 
was given as GraphType* when it is actually const GraphType &).
Patch by Patrick Alexander Simmons.

llvm-svn: 89091

programs that depend on native shared libraries.  Patch by Timo Lindfors.

llvm-svn: 89087

llvm-svn: 89082

llvm-svn: 89081

 - I plan on fixing/workarounding this, but until then I'd like the bots to stay
   green.

llvm-svn: 89077

llvm-svn: 89076

llvm-svn: 89075

as the isSigned bool to CreateIntCast by having this resolve to a call
to a private method, rather than by using a gcc attribute.

llvm-svn: 89067

llvm-svn: 89066

libffi support and that the interpreter can't call external functions without
it. Patch by Timo Juhani Lindfors! Fixes PR5466.

llvm-svn: 89062

llvm-svn: 89059

llvm-svn: 89056

more than one place. No intended functionality change.

llvm-svn: 89024

is analyzable so it can be updated. If it's not, be safe and don't move the
block.

llvm-svn: 89022

llvm-svn: 89021

llvm-svn: 89019

unconditional branches or fallthroghes. Instcombine/SimplifyCFG
should be simplifying branches with known conditions.

This fixes some problems caused by these transformations not
updating the MachineBasicBlock CFG.

llvm-svn: 89017

llvm-svn: 89016

right type.

llvm-svn: 89014

llvm-svn: 89011

llvm-svn: 89007

llvm-svn: 89002

llvm-svn: 89001

0b1110 (ALways).  This is so that the disassembler decoder can distinguish among
BX_RET, BRIND, and BXr9.

llvm-svn: 89000

in this testcase.

llvm-svn: 88998

by the recent FixedStackPseudoSourceValue-related changes, now that
the specific bug that affected it is fixed, in r88954.

llvm-svn: 88997

address space (though it only uses a small fraction of that), and the
buildbots disallow that.

Also add a comment to the Makefile's ulimit line warning future
developers that changing it won't work.

llvm-svn: 88994