llvmgxx programs. dejagnu doesn't understand single quote and we need to
pass double quotes through to the shell in order to escape blanks in the
paths. This patch uses \" to escape the quotes passed through to the shell.
Thanks to Aaron Gray for testing this out on cygwin.

llvm-svn: 22155

previous revision.

llvm-svn: 22072

llvm-svn: 22071

ffs(x) -> (x == 0 ? 0 : llvm.cttz(0)+1)

llvm-svn: 22069

llvm-svn: 22048

the correct thing.

llvm-svn: 22039

llvm-svn: 22037

llvm-svn: 22028

llvm-svn: 22013

llvm-svn: 22000

llvm-svn: 21999

llvm-svn: 21989

llvm-svn: 21963

llvm-svn: 21955

llvm-svn: 21952

llvm-svn: 21941

llvm-svn: 21940

llvm-svn: 21937

llvm-svn: 21936

llvm-svn: 21935

llvm-svn: 21934

llvm-svn: 21920

llvm-svn: 21918

llvm-svn: 21914

Solaris grep is more traditional and (AFAIK) does not support regexs.
Also, single quotes should disable all shell interpretation, so no
backslashes should be needed (and, in fact, keep Solaris from working).

llvm-svn: 21902

now codegen'd as this:

        addi r2, r3, -1
        andc r2, r2, r3
        cntlzw r2, r2
        subfic r3, r2, 32
        blr

llvm-svn: 21881

llvm-svn: 21879

This is bad.  It is generated if you are ctlz a type that is not
legal for the arch (aka ctlz of bytes on alpha legalize fine).

llvm-svn: 21867

llvm-svn: 21863

llvm-svn: 21854

llvm-svn: 21849

llvm-svn: 21837

llvm-svn: 21832

llvm-svn: 21822

llvm-svn: 21819

llvm-svn: 21812

llvm-svn: 21808

specified in the LangRef document.

llvm-svn: 21807

llvm-svn: 21800

llvm-svn: 21795