llvm-svn: 112830

This patch was developed on top of original patch by Artur Pietrek.

llvm-svn: 112678

llvm-svn: 112659

llvm-svn: 112631

Remember byval argument's frame index during argument lowering and use this info to emit debug info.
Fixes Radar 8367011.

llvm-svn: 112623

llvm-svn: 112583

llvm-svn: 111870

PR 7920.

llvm-svn: 111820

llvm-svn: 110712

llvm-svn: 110656

llvm-svn: 110653

llvm-svn: 110652

Refactor and simplify code to avoid redundant checks.

llvm-svn: 110642

llvm-svn: 110623

llvm-svn: 110621

llvm-svn: 110607

llvm-svn: 110600

llvm-svn: 110590

llvm-svn: 110586

llvm-svn: 110255

llvm-svn: 110244

llvm-svn: 110234

llvm-svn: 110045

llvm-svn: 109538

Use current working directory when Dirname is empty. This only happens when absolute source file path is used on compiler command line.

llvm-svn: 109302

llvm-svn: 109285

llvm-svn: 109262

rdar://8202967

llvm-svn: 109057

llvm-svn: 109037

Make MDNode::destroy private.
Fix the one thing that used MDNode::destroy, outside of MDNode itself.

One should never delete or destroy an MDNode explicitly. MDNodes
implicitly go away when there are no references to them (implementation
details aside).

llvm-svn: 109028

llvm-svn: 108784

Do not try to insert local variable info to a DIE used for function declaration.

llvm-svn: 108731

llvm-svn: 107930

Relax assertion. In optimized code, it is possible that first instruction is coming from a inlined function.
This fixes PR7596 .

llvm-svn: 107923

llvm-svn: 107919

Reuse DIEInteger for 1. This is frequently used while emitting an attribute using dwarf::DW_FORM_flag form.

llvm-svn: 107903

Keep track of abstract subprogram DIEs. 

llvm-svn: 107822

llvm-svn: 107810

llvm-svn: 107807

This is a regression caused by r106792 and caught by gdb testsuite.

llvm-svn: 107430