be killed before being redefined.

These checks are usually disabled, and usually fail when enabled. We de facto
allow live registers to be redefined without a kill, the corresponding
assertions in RegScavenger were removed long ago.

llvm-svn: 110362

Partial fix for PR7792.

llvm-svn: 110361

instructions.

llvm-svn: 110360

llvm-svn: 110359

Partial fix for PR7792.

llvm-svn: 110358

we sometimes compare singular iterators, reported by ENABLE_EXPENSIVE_CHECKS.
This fixes PR7825.

llvm-svn: 110355

into test/CodeGen/X86, so that they aren't run when the x86 target is
not enabled.

Fix uglygep.ll to not be x86-specific.

llvm-svn: 110343

--- Reverse-merging r110333 into '.':
U    tools/bugpoint/BugDriver.h
U    tools/bugpoint/OptimizerDriver.cpp
U    tools/bugpoint/bugpoint.cpp
U    tools/bugpoint/BugDriver.cpp

llvm-svn: 110341

llvm-svn: 110338

rely on using a specific x86 triple to test what they want to test.

llvm-svn: 110337

Fixes PR753.

llvm-svn: 110333

llvm-svn: 110311

preserves the existing behavior, as it seems a concious choice to allow RS to
be null and BigStack marked true.

llvm-svn: 110307

llvm-svn: 110306

llvm-svn: 110301

const.

llvm-svn: 110300

Is setted on a per build type basis. This is useful for generators
that comprise several build types, i.e. VC++ solutions.

llvm-svn: 110296

llvm-svn: 110293

llvm-svn: 110292

that argument to simplify runPassesOn.

llvm-svn: 110291

one is a suffix of the other, and FileCheck accepts superstrings.
Adjust the output to avoid this problem.

llvm-svn: 110280

because it could create such things. This fixes a MingW buildbot test failure.

llvm-svn: 110279

llvm-svn: 110277

uses.

llvm-svn: 110274

to return Ref if the left callsite only reads memory read or written
by the right callsite; fix BasicAliasAnalysis to implement this.

Add AliasAnalysisEvaluator support for testing the two-callsite
form of getModRefInfo.

llvm-svn: 110270

llvm-svn: 110269

llvm-svn: 110268

llvm-svn: 110267

This helps avoid silly code:

    %R0<def = LOAD <fi#5>
    STORE <fi#5>, %R0<kill>

llvm-svn: 110266

llvm-svn: 110259

simplify the call frame pseudo instructions. In that situation, the
calculations for estimating the stack size will be way off, leading to
not having an emergency spill slot when we need one. It should be possible
to be more precise about tracking the adjustment values, but not really
necessary for correctness. Upcoming cleanups for PEI in general will
render that moot.

llvm-svn: 110258

We are now at a point where we can split around simple single-entry, single-exit
loops, although still with some bugs.

llvm-svn: 110257

llvm-svn: 110256

llvm-svn: 110255

llvm-svn: 110254

llvm-svn: 110249

llvm-svn: 110248

See PR5201. There is no way to know if direct calls will be within the allowed
range for BL. Hence emit all calls as indirect when in JIT mode.
Without this long-running applications will fail to JIT on PowerPC with a
relocation failure.

llvm-svn: 110246

llvm-svn: 110244

using wider types than are necessary.

llvm-svn: 110241