llvm-svn: 74953

prologue like this:

__Z3fooi:
Leh_func_begin1:
LBB1_0: ## entry
        pushl   %ebp
Llabel1:
        movl    %esp, %ebp
Llabel2:
        pushl   %esi
Llabel3:
        subl    $20, %esp
        call    "L1$pb"
"L1$pb":
        popl    %esi

The "pushl %ebp" needs a table entry specifying the offset. The "movl %esp,
%ebp" makes %ebp the new stack frame register, so that needs to be specified in
DWARF. And "pushl %esi" saves the callee-saved %esi register, which also needs
to be specified in DWARF.

Before, all of this logic was in one method. This didn't work too well, because
as you can see there are multiple FDE line entries that need to be created.

This fix creates the "MachineMove" objects directly when they're needed; instead
of waiting until the end, and losing information.

llvm-svn: 74952

llvm-svn: 74950

llvm-svn: 74949

llvm-svn: 74948

llvm-svn: 74946

Kevin Enderby!

llvm-svn: 74944

llvm-svn: 74942

llvm-svn: 74938

llvm-svn: 74936

llvm-svn: 74934

llvm-svn: 74931

This fixes PR4512 and eliminating static ctors is always good.  Losing
thread safety is unfortunate, but the code is just incredibly poorly
designed.

If someone is interested, the "right" solution is to split
DynamicLibrary.cpp into two separate pieces: a stateless piece in
libsystem, and a simple support file in libsupport that has the
"state" (e.g.  AddSymbol) in managed static objects.

Doing this would both fix memory leaks we already have, as well as make
the code thread safe again.  it would also make sense to move all the
unix specific code in System/DynamicLibrary.cpp into 
System/Unix/DynamicLibrary.inc.

llvm-svn: 74927

llvm-svn: 74926

llvm-svn: 74925

llvm-svn: 74924

llvm-svn: 74923

This will replace exit()/abort() style error handling with an API
that allows clients to register custom error handling hooks.
The default is to call exit(1) when no error handler is provided.

llvm-svn: 74922

llvm-svn: 74920

llvm-svn: 74918

llvm-svn: 74910

 previous cmp; a copy can not be inserted here if the copy insn also has
 side effects. We don't have access to the attributes of copy insn here;
 so just play safe by finding a safe locations for branch terminators.

llvm-svn: 74898

llvm-svn: 74895

llvm-svn: 74889

llvm-svn: 74888

in PIC modes (in accordance with existing comment).
gcc.apple/asm-block-25.c

llvm-svn: 74886

llvm-svn: 74881

PIC16 developers, please verify. Thanks.

llvm-svn: 74880

llvm-svn: 74879

llvm-svn: 74878

Finish LLVMContext-ing lib/Analysis.  This required pushing LLVMContext's through the ValueTracking API.

llvm-svn: 74873

llvm-svn: 74871

llvm-svn: 74868

llvm-svn: 74866

llvm-svn: 74857

llvm-svn: 74854

Patch by Xerxes Ranby.

llvm-svn: 74846

llvm-svn: 74844

pic16 doesn't have a Data64bitsDirective. Set it NULL explicitly to tell the generic code to not pick the default.

llvm-svn: 74839

llvm-svn: 74838