base is the right expression type.  This fixes PR5981.

llvm-svn: 93045

really does need to be a vector type, because
TargetLowering::getOperationAction for SIGN_EXTEND_INREG uses that type,
and it needs to be able to distinguish between vectors and scalars.

Also, fix some more issues with legalization of vector casts.

llvm-svn: 93043

llvm-svn: 93042

Disable  copy ctor and operator= for NamedMDSymTable. Hide typedef that should be public.

llvm-svn: 93041

llvm-svn: 93040

llvm-svn: 93039

llvm-svn: 93038

llvm-svn: 93037

llvm-svn: 93032

Dan pointed out checking whether a node is dead by comparing its opcode to ISD::DELETED_NODE is not safe. Use a DAGUpdateListener to remove dead nodes from work list instead.

llvm-svn: 93031

llvm-svn: 93030

Fix a critical bug in 64-bit atomic operation lowering for 32-bit. The results of the cmpxchg8b instructions are being thrown away when it branches back to the top of the checking loop. This means the loop always compares against the old value and this can result in a dead lock.

llvm-svn: 93028

llvm-svn: 93027

llvm-svn: 93026

llvm-svn: 93024

simplify it now that it is only used for truncates.

llvm-svn: 93021

llvm-svn: 93020

the input is already sign extended.

llvm-svn: 93019

result int by 8 for the first byte.  While normally harmless,
if the result is smaller than a byte, this shift is invalid.

llvm-svn: 93018

remove some trailing whitespace while there.

llvm-svn: 93008

llvm-svn: 93007

T2I_bin_ii12rs definition.

llvm-svn: 93006

putting relocations into the constant pool - this isn't needed
for correctness and in the rare occasion it happens would pull
us out of fast isel for the block.

If fast-isel application startup time ever becomes an issue we
can add better support for these addresses instead of bailing.

llvm-svn: 92995

ReplaceAllUsesOfValueWith may delete other nodes that the one being replaced. Do not delete dead nodes again.

llvm-svn: 92988

1. CMPXCHG8B and CMPXCHG16B did not specify implicit physical register defs and uses.
2. LCMPXCHG8B is loading 64 bit memory, not 32 bit.

llvm-svn: 92985

llvm-svn: 92972

Compare the dominance information calculated using a dominance tree walk to the
information calculated based on DFS numbers, if XDEBUG is enabled.

llvm-svn: 92969

Remove a FIXME and unify code that was necessary to work around broken
updateDFSNumbers().  Before updateDFSNumbers() did not work correctly for post
dominators.

llvm-svn: 92968

The DFS number calculation for postdominators was broken. In the case of
multiple exits that form the post dominator root nodes, do not iterate over
all exits, but start from the virtual root node. Otherwise bbs, that are not
post dominated by any exit but by the virtual root node, will never be assigned
a DFS number.

llvm-svn: 92967

llvm-svn: 92964

llvm-svn: 92963

that feeds into a zext, similar to the patch I did yesterday for sext.
There is a lot of room for extension beyond this patch.

llvm-svn: 92962

When folding a and(any_ext(load)) both the any_ext and the
load have to have only a single use.

This removes the anyext-uses.ll testcase which started failing
because it is unreduced and unclear what it is testing.

llvm-svn: 92950

time, no functionality change.

llvm-svn: 92948

Revert r92939.  These intrinsics get matched to LLVM instructions,
so removing at Chris' request.

llvm-svn: 92947

llvm-svn: 92943

Add some "missing" instrinsics to make the SSE intrinsic set a bit more
orthogonal.

llvm-svn: 92939

llvm-svn: 92938

add it to the constant pool for fast-isel. We already
don't add it for the normal case.

llvm-svn: 92934

not-readonly segment on darwin.

llvm-svn: 92933