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5 Commits

Author SHA1 Message Date
Matthias Braun f1caa2833f MachineFunction: Return reference from getFunction(); NFC 
The Function can never be nullptr so we can return a reference.

llvm-svn: 320884
 2017-12-15 22:22:58 +00:00
Matt Arsenault d664315ae8 IPRA: Don't assume called function is first call operand 
Fixes not finding the called global for AMDGPU
call pseudoinstructions, which prevented IPRA
from doing much.

llvm-svn: 311637
 2017-08-24 07:55:15 +00:00
Matt Arsenault 00459e4a06 IPRA: Exit early on functions without calls 
llvm-svn: 311636
 2017-08-24 07:55:13 +00:00
Mehdi Amini 117296c0a0 Use StringRef in Pass/PassManager APIs (NFC) 
llvm-svn: 283004
 2016-10-01 02:56:57 +00:00
Mehdi Amini 1d396832d3 Interprocedural Register Allocation (IPRA): add a Transformation Pass 
Adds a MachineFunctionPass that scans the body to find calls, and
update the register mask with the one saved by the
RegUsageInfoCollector analysis in PhysicalRegisterUsageInfo.

Patch by Vivek Pandya <vivekvpandya@gmail.com>

Differential Revision: http://reviews.llvm.org/D21180

llvm-svn: 272414
 2016-06-10 18:37:21 +00:00