llvm-svn: 37193

Fix a bogus check that prevented folding VECTOR_SHUFFLE to UNDEF; add an optimization to fold VECTOR_SHUFFLE to a zero vector.

llvm-svn: 37173

llvm-svn: 37172

cause other regressions.

llvm-svn: 37160

llvm-svn: 37159

llvm-svn: 37154

llvm-svn: 37141

llvm-svn: 37100

llvm-svn: 37065

1. Fix PR1380
2. Apply Duncan's patch from PR1410
3. Insert workaround for "one personality function per module" as noted in PR1414
4. Emit correct debug frames for x86/linux. This partly fixes DebugInfo/2006-11-06-StackTrace.cpp: stack trace is
shown correctly, but arguments for function on top of stack are displayed incorrectly.

llvm-svn: 37015

llvm-svn: 36965

llvm-svn: 36860

llvm-svn: 36834

llvm-svn: 36799

some small cleanup was made.

llvm-svn: 36780

feature is set, then the features in the implied list should be set also.
The opposite is also enforced: if a feature in the implied list isn't set,
then the feature that owns that implies list shouldn't be set either.

llvm-svn: 36756

  1. x86 backend rejected (&gv+c) for the 'i' constraint when in static mode.
  2. the matcher didn't correctly reject and accept some global addresses.
     the right predicate is GVRequiresExtraLoad, not "relomodel = pic".

llvm-svn: 36670

flag for ELF on x86 so that duplicate constants can be eliminated by
the linker. This matches what GCC does with its -fmerge-constants
option, which is enabled at most -O levels.

llvm-svn: 36666

llvm-svn: 36662

for SSE1, SSE2, SSE3, and SSSE3.

llvm-svn: 36656

llvm-svn: 36653

Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652

Emit correct register move information in eh frames for X86. This allows Shootout-C++/except to pass on x86/linux
with non-llvm-compiled (e.g. "native") unwind runtime.

llvm-svn: 36647

llvm-svn: 36646

1. Correct output offsets on Linux
2. Fix "style" of personality function. It shouldn't be indirect.

llvm-svn: 36633

llvm-svn: 36632

llvm-svn: 36628

llvm-svn: 36627

llvm-svn: 36626

should be taught to deal with protected symbols.

llvm-svn: 36565

llvm-svn: 36495

llvm-svn: 36494

llvm-svn: 36456

llvm-svn: 36452

clobbered by a call.

llvm-svn: 36448

when promoted to 64-bits

llvm-svn: 36442

will follow.

llvm-svn: 36435

llvm-svn: 36430

llvm-svn: 36425

llvm-svn: 36423