llvm-svn: 144105

llvm-svn: 144104

Add support for trimming constants to GetDemandedBits. This fixes some funky
constant generation that occurs when stores are expanded for targets that don't
support unaligned stores natively.

llvm-svn: 144102

When this field is true it means that the load is from constant (runt-time or compile-time) and so can be hoisted from loops or moved around other memory accesses

llvm-svn: 144100

llvm-svn: 144099

llvm-svn: 144095

implements unaligned loads and stores with assembler macro-instructions
ulw, usw, ulh, ulhu, ush, and this patch emits corresponding instructions
instead of these macros. Since each unaligned load/store is expanded
into two corresponding loads/stores where offset for second load/store is
modified by +3 (for words) or +1 (for halfwords).

Patch by Petar Jovanovic and Sasa Stankovic.

llvm-svn: 144081

PathProfiling.c: Get rid of using "inline". We may expect compiler shall optimize out "static" scope w/o "inline".

llvm-svn: 144080

llvm-svn: 144079

llvm-svn: 144076

llvm-svn: 144071

FIXME: Should configure detect one?
llvm-svn: 144070

test/CodeGen/X86/vec_shuffle-39.ll: Add explicit -mtriple=x86_64-linux. Passing packed value is not compatible on Win32 x64.

llvm-svn: 144068

llvm-svn: 144067

test/CodeGen/X86/vec_shuffle.ll: Add explicit -mtriple=i686-linux. We may see some suboptimal frame (%ebp) emission on certain hosts. Possible [PR11031]

llvm-svn: 144066

llvm-svn: 144057

Add a bunch of calls to RemoveDeadNode in LegalizeDAG, so legalization doesn't get confused by CSE later on.  Fixes PR11318.

Re-commit of r144034, with an extra fix so that RemoveDeadNode doesn't blow up.

llvm-svn: 144055

llvm-svn: 144053

Add x86 isel logic and patterns to match movlps from clang generated IR for _mm_loadl_pi(). rdar://10134392, rdar://10050222

llvm-svn: 144052

llvm-svn: 144050

llvm-svn: 144049

llvm-svn: 144048

callee's responsibility to sign or zero-extend the return value.  The additional
test case just checks to make sure the calls are selected (i.e., -fast-isel-abort
doesn't assert).

llvm-svn: 144047

llvm-svn: 144046

llvm-svn: 144044

Delete!

llvm-svn: 144043

llvm-svn: 144038

DomainValues that are only used by "don't care" instructions are now
collapsed to the first possible execution domain after all basic blocks
have been processed.  This typically means the PS domain on x86.

For example, the vsel_i64 and vsel_double functions in sse2-blend.ll are
completely collapsed to the PS domain instead of containing a mix of
execution domains created by isel.

llvm-svn: 144037

Fixes r8429

llvm-svn: 144036

Add a bunch of calls to RemoveDeadNode in LegalizeDAG, so legalization doesn't get confused by CSE later on.  Fixes PR11318.

llvm-svn: 144034

llvm-svn: 144027

llvm-svn: 144026

The enterBasicBlock() function is combining live-out values from
predecessor blocks.  The RPO traversal means that more predecessors
have been visited when that happens, only back-edges are missing.

llvm-svn: 144025

llvm-svn: 144024

llvm-svn: 144023

llvm-svn: 144021

llvm-svn: 144020

llvm-svn: 144019

and add Mips64's version too.

llvm-svn: 144018

registers.

llvm-svn: 144017