llvm-svn: 38767

llvm-svn: 38766

llvm-svn: 38765

llvm-svn: 38764

llvm-svn: 38763

llvm-svn: 38762

C99 "placemarker" concept.

llvm-svn: 38761

llvm-svn: 38760

llvm-svn: 38759

speeding up my macro expansion torture test from .75s to .5s (33%!)

llvm-svn: 38758

argument tokens into instead of a real vector.  This avoids some malloc
traffic in common cases.  In an "abusive macro expansion" testcase, this
reduced -Eonly time by 25%.

llvm-svn: 38757

the MacroArgs object itself.  This is a bit more efficient and will be even more
so shortly.

llvm-svn: 38756

llvm-svn: 38755

Implement a FIXME: don't copy token array into a token vector, instead, macroexpander should expand from an array directly.

llvm-svn: 38754

by turning vectors of vectors into a single vector, reducing pressure on
malloc.  This can still be improved.

llvm-svn: 38753

reduces the number of FileID's made and tracked.

llvm-svn: 38752

test/Lexer/badstring_in_if0.c

llvm-svn: 38751

llvm-svn: 38750

llvm-svn: 38749

llvm-svn: 38748

llvm-svn: 38747

into when a hard error is found.  This simplifies logic and eliminates the need
for the preprocessor to know about raw mode.

llvm-svn: 38746

llvm-svn: 38745

llvm-svn: 38744

llvm-svn: 38743

llvm-svn: 38742

llvm-svn: 38741

llvm-svn: 38740

llvm-svn: 38739

llvm-svn: 38738

to be emitted from the lexer.  This fixes macro_paste_c_block_comment.c

llvm-svn: 38737

lexer.  This makes more logical sense and also unbreaks the case when the
lexer hasn't been pushed onto the PP include stack.  This is the case when
pasting identifiers.  This patch implements macro_paste_bcpl_comment.c.

llvm-svn: 38736

llvm-svn: 38735

llvm-svn: 38734

test/Preprocessor/macro_paste_simple.c and macro_paste_bad.c.  There are
several known bugs still.

llvm-svn: 38733

llvm-svn: 38732

llvm-svn: 38731

llvm-svn: 38730

yet though.

llvm-svn: 38729

llvm-svn: 38728