Clobber ranges are no longer used when joining physical registers.
Instead, all aliases are checked for interference.

llvm-svn: 113084

that diagnose invalid references to references.

llvm-svn: 113078

llvm-svn: 113077

llvm-svn: 113075

llvm-svn: 113073

not SelectAddr

llvm-svn: 113072

llvm-svn: 113071

llvm-svn: 113059

llvm-svn: 113058

into an inner loop, as the new loop iteration may differ substantially.
This fixes PR8078.

llvm-svn: 113057

llvm-svn: 113056

llvm-svn: 113055

llvm-svn: 113050

llvm-svn: 113048

llvm-svn: 113047

llvm-svn: 113045

llvm-svn: 113044

llvm-svn: 113043

location is being re-stored to the memory location.  We would get
a dangling pointer from the SSAUpdate data structure and miss a 
use.  This fixes PR8068

llvm-svn: 113042

llvm-svn: 113035

llvm-svn: 113034

checking each standalone condition and decide whether emit target
specific nodes or remove the condition if it's already matched before.

llvm-svn: 113031

llvm-svn: 113025

various breakages appear to be dealt with.

Patch by Pekka Jääskeläinen.

llvm-svn: 113024

invertible. ScalarEvolution's folding routines don't always succeed
in canonicalizing equal expressions to a single canonical form, and
this can cause these asserts to fail, even though there's no actual
correctness problem. This fixes PR8066.

llvm-svn: 113021

"Use target specific nodes instead of relying in unpckl and
unpckh pattern fragments during isel time. Also place a
depth limit in getShuffleScalarElt.

llvm-svn: 113020

overload UserInInstr. Explicitly check Allocatable. The early exit in the
condition will mean the performance impact of the extra test should be
minimal.

llvm-svn: 113016

Bruno, please review.

llvm-svn: 113014

Generalize getFieldType to work on all TypedInits.  Add a couple of testcases from 
Amaury Pouly.

llvm-svn: 113010

llvm-svn: 113009

llvm-svn: 113008

functional changes

llvm-svn: 113007

llvm-svn: 113006

some infinite loop and select failures.
 - Apologies for eager reverting, but its branch day.

llvm-svn: 113000

infinite loop and select failures.

llvm-svn: 112999

mask pattern fragment", which depends on r112934, which introduced some infinite
loop and select failures.

llvm-svn: 112998

solve the root problem, but it corrects the bug in the code I added to
support legalizing in the case where the non-extended type is also legal.

llvm-svn: 112997

llvm-svn: 112995

is provable that they're equivalent.  This fixes PR4855.

llvm-svn: 112994

llvm-svn: 112991