llvm-svn: 45347

llvm-svn: 45346

llvm-svn: 45345

When specified, don't split backedges of single-bb loops.
This helps address PR1877

llvm-svn: 45344

llvm-svn: 45343

llvm-svn: 45342

output of nm.

llvm-svn: 45341

llvm-svn: 45340

llvm-svn: 45339

providing a misleading facility. It's used once in the MIPS backend
and hardcoded as "\t.globl\t" everywhere else.

llvm-svn: 45338

llvm-svn: 45337

llvm-svn: 45336

llvm-svn: 45335

llvm-svn: 45334

llvm-svn: 45333

llvm-svn: 45330

llvm-svn: 45329

llvm-svn: 45328

llvm-svn: 45327

llvm-svn: 45326

llvm-svn: 45325

llvm-svn: 45324

legalizer support goes in.

llvm-svn: 45323

llvm-svn: 45322

or after legalize.

llvm-svn: 45321

targets.

llvm-svn: 45320

llvm-svn: 45319

llvm-svn: 45318

llvm-svn: 45317

fixes a bug with indirect calls. (Test case will be included with
ocaml collector patch.)

llvm-svn: 45316

llvm-svn: 45315

llvm-svn: 45314

llvm-svn: 45313

llvm-svn: 45312

us to compile:
#include <math.h>
int t1(double d) { return signbit(d); }

into:

_t1:
	movd	%xmm0, %rax
	shrq	$63, %rax
	ret

instead of:

_t1:
	movd	%xmm0, %rax
	shrq	$32, %rax
	shrl	$31, %eax
	ret

on x86-64.

llvm-svn: 45311

llvm-svn: 45310

Remove critical edge breaking.  It won't be necessary as long as we are very careful when inserting copies.

llvm-svn: 45309

llvm-svn: 45308

llvm-svn: 45307

solver for path-sensitive, intra-procedural analysis.

llvm-svn: 45306