Use 'waitpid' instead of 'wait'.  Basing Program::Wait() on 'wait()' prevents it being correct within a multithreaded context.

This address: PR 5277 (Program::Wait is unsafe to call from multiple threads).

Note: If waitpid() turns out to be non-portable, we can add more autoconf magic, or look into
another solution.

llvm-svn: 84903

gcc-4.4.

llvm-svn: 84902

llvm-svn: 84900

llvm-svn: 84898

llvm-svn: 84895

llvm-svn: 84894

llvm-svn: 84892

even when keys get RAUWed and deleted during its lifetime. By default the keys
act like WeakVHs, but users can pass a third template parameter to configure
how updates work and whether to do anything beyond updating the map on each
action.

It's also possible to automatically acquire a lock around ValueMap updates
triggered by RAUWs and deletes, to support the ExecutionEngine.

llvm-svn: 84890

llvm-svn: 84886

llvm-svn: 84885

llvm-svn: 84884

llvm-svn: 84878

Now with Clang-compatibility.

llvm-svn: 84872

llvm-svn: 84868

In the latest binutils the plugin-api.h needs this - without
it the LLVM gold plugin fails to compile.

llvm-svn: 84861

before freeing them.

llvm-svn: 84859

of the struct (!) works correctly.

llvm-svn: 84853

llvm-svn: 84851

llvm-svn: 84849

Move if-conversion before post-regalloc scheduling so the predicated instruction get scheduled properly.

llvm-svn: 84843

Load / store multiple was missing opportunites when the load / store bundles are at the end of the bb. Test case is already in, the bug is exposed by subsequent commit.

llvm-svn: 84842

 

llvm-svn: 84841

to libanalysis.  Instcombine shrinking... does this even 
make sense???

llvm-svn: 84840

Analysis/ConstantFolding.cpp.  This doesn't change the behavior of
instcombine but makes other clients of ConstantFoldInstruction
able to handle loads.  This was partially extracted from Eli's patch
in PR3152.

llvm-svn: 84836

llvm-svn: 84832

llvm-svn: 84831

llvm-svn: 84830

llvm-svn: 84828

llvm-svn: 84827

llvm-svn: 84826

llvm-svn: 84820

llvm-svn: 84819

llvm-svn: 84818

building opt.

llvm-svn: 84816

used by opt when a module doesn't specify one.  Patch from Kenneth Uildriks!

llvm-svn: 84814

llvm-svn: 84813

llvm-svn: 84811

llvm-svn: 84810

Yay for ASCII graphics!

llvm-svn: 84808

llvm-svn: 84806