llvm-6502

mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-08 06:32:24 +00:00

History

Arnold Schwaighofer d81511f0a6 ARM cost model: Increase cost of some vector selects we do terrible on

By terrible I mean we store/load from the stack.

This matters on PAQp8 in _Z5trainPsS_ii (which is inlined into Mixer::update)
where we decide to vectorize a loop with a VF of 8 resulting in a 25%
degradation on a cortex-a8.

LV: Found an estimated cost of 2 for VF 8 For instruction:   icmp slt i32
LV: Found an estimated cost of 2 for VF 8 For instruction:   select i1, i32, i32

The bug that tracks the CodeGen part is PR14868.

radar://13403975

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177105 91177308-0d34-0410-b5e6-96231b3b80d8

2013-03-14 19:17:02 +00:00

BasicAA

Memory Dependence Analysis (not mem-dep test) take advantage of "invariant.load" metadata.

2013-03-06 17:48:48 +00:00

BlockFrequencyInfo

…

BranchProbabilityInfo

BranchProb: modify the definition of an edge in BranchProbabilityInfo to handle

2012-08-24 18:14:27 +00:00

CallGraph

Now that invoke of an intrinsic is possible (for the llvm.do.nothing intrinsic)

2012-09-26 17:16:01 +00:00