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[NPM] Bail out when -foo and --passes=foo are both specified
Summary:
Currently when --passes is used, any passes specified via -foo are
ignored. Explicitly bail out when that happens.
This requires changing some tests. Most were straightforward, but
codegenprepare-produced-address-math.ll is tricky. One of its RUNs runs
CodeGenPrepare. I tried porting CodeGenPrepare to the NPM, but ended up
getting stuck when I needed a TargetMachine. NPM doesn't have support
for MachineFunctions yet. So I just deleted that RUN line, since it was
mass-added in https://reviews.llvm.org/D54848 and is likely not that
useful.
Reviewers: echristo, hans
Subscribers: llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D82271