Copy location info for current function argument from dbg.declare if respective store instruction does not have any location info.

llvm-svn: 105490

llvm-svn: 105293

llvm-svn: 105291

change a few SmallVectors to vanilla C arrays.

llvm-svn: 105289

llvm-svn: 105281

llvm-svn: 105279

the newly created allocas may be used by inlined calls, so these
need to have their tail call flags cleared.  Fixes PR7272.

llvm-svn: 105255

llvm-svn: 105220

first. Fixes PR7265.

llvm-svn: 105206

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

llvm-svn: 104949

llvm-svn: 104945

llvm-svn: 104935

llvm-svn: 104914

llvm-svn: 104913

llvm-svn: 104884

to null.  Patch by Matti Niemenmaa.

llvm-svn: 104871

llvm-svn: 104692

llvm-svn: 104648

llvm-svn: 104644

llvm-svn: 104290

llvm-svn: 104287

top-level LSRInstance logic.

llvm-svn: 104278

llvm-svn: 104276

aren't needed.

llvm-svn: 104273

Changed directly instead of using a return value.

Rename FilterOutUndesirableDedicatedRegisters's Changed variable to
distinguish it from LSRInstance's Changed member.

llvm-svn: 104269

llvm-svn: 104268

llvm-svn: 104267

llvm-svn: 104263

operand on the left, the interesting operand is on the right. This
fixes a bug where LSR was failing to recognize ICmpZero uses,
which led it to be unable to reverse the induction variable in the
attached testcase.

Delete test/CodeGen/X86/stack-color-with-reg-2.ll, because its test
is extremely fragile and hard to meaningfully update.

llvm-svn: 104262

it isn't a very interesting change, it's a change nonetheless.

llvm-svn: 104260

llvm-svn: 104236

llvm-svn: 104234

llvm-svn: 104232

and fix a bug that valgrind noticed where the code would std::swap an
element with itself.

llvm-svn: 104225

the addressing modes don't make this trivially easy. This allows
it to avoid falling into the less precise heuristics in more
cases.

llvm-svn: 104186

llvm-svn: 104089

constants in registers which partially cancel out their immediate fields.

llvm-svn: 104088

of its formulae have been removed into a helper function, and also
teach it how to update the RegUseTracker.

llvm-svn: 104087

function.

llvm-svn: 104082

llvm-svn: 104080