[bpf] add big- and host- endian support

Description

[bpf] add big- and host- endian support

Summary:
-march=bpf -> host endian
-march=bpf_le -> little endian
-match=bpf_be -> big endian

Test Plan:
v1 was tested by IBM s390 guys and appears to be working there.
It bit rots too fast here.

Reviewers: chandlerc, tstellarAMD

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10177

Details

Committed
astJun 4 2015, 12:15 PM
Differential Revision
D10177: [bpf] add big- and host- endian support
Parents
rL239070: [DAGCombiner] Fix wrong folding of a build_vector into a blend with zero.
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