[RISCV] Implement branch analysis

Description

[RISCV] Implement branch analysis

This is a prerequisite for the branch relaxation pass, and allows a number of
optimisation passes (e.g. BranchFolding and MachineBlockPlacement) to work.

Differential Revision: https://reviews.llvm.org/D40808

Details

Committed
asbJan 10 2018, 12:47 PM
Differential Revision
D40808: [RISCV] Implement branch analysis
Parents
rL322221: [MSan] Enable use-after-dtor instrumentation by default.
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