This fixes recent regression in store.exp from gdb testsuite.

llvm-svn: 104524

llvm-svn: 104412

llvm-svn: 104338

llvm-svn: 104302

llvm-svn: 104265

Split DbgVariable. Eventually, variable info will be communicated through frame index, or DBG_VALUE instruction, or collection of DBG_VALUE instructions. Plus each DbgVariable may not need a label.

llvm-svn: 104233

llvm-svn: 104172

llvm-svn: 104165

llvm-svn: 103822

llvm-svn: 103798

This means now 'llvm-ld a.bc b.bc' will preserve debug info appropriately.

llvm-svn: 103439

llvm-svn: 103327

llvm-svn: 103325

llvm-svn: 103303

llvm-svn: 103295

llvm-svn: 103272

increase in the debug line info section, and it's causing
regressions in a gdb testsuite.

llvm-svn: 103226

llvm-svn: 103145

of just letting them inherit the debug locations of adjacent instructions.

Debug info should aim to be either accurate or absent.

llvm-svn: 103135

llvm-svn: 103001

llvm-svn: 102743

llvm-svn: 102486

llvm-svn: 102482

llvm-svn: 102481

llvm-svn: 102470

llvm-svn: 102468

llvm-svn: 102463

Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges.
This patch fixes bug (PR6894) introduced by previous version of this patch.

llvm-svn: 102454

llvm-svn: 102394

because 102004 causes codegen to emit invalid assembly on at least
x86_64-unknown-gnu-linux.

llvm-svn: 102155

llvm-svn: 102127

llvm-svn: 102106

llvm-svn: 102104

llvm-svn: 102102

Add command line option to disable debug info printing in .s file. This option does not impact debug info generation and preservation through earlier compile starges.

llvm-svn: 102012

Identify when a lexical scope is split in to multiple instruction ranges. Emit such ranges using DW_AT_ranges.

llvm-svn: 102004

optimization for non-leaf functions. This will be hooked up to gcc's
-momit-leaf-frame-pointer option. rdar://7886181

llvm-svn: 101984

responsible for figuring out what that's supposed to be on its own.

llvm-svn: 101844

llvm-svn: 101805

llvm-svn: 101639