http://llvm.org/bugs/show_bug.cgi?id=9038
Summary: llvm/Target/TargetOptions.h should become an
immutablepass
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Common Code Generator Code
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
llvm/Target/TargetOptions.h contains a bunch of global variables that affect
the code generator. Global variables are obviously bad and prevent things like
running multiple different code generators on different threads etc.
While some of the individual flags can be refactored, a very reasonable right
short term solution for this is to make TargetOptions be an ImmutablePass that
codegen can "getAnalysis<>" on, and llc/clang etc can explicitly schedule it if
they want to fiddle with the flags.
-Chris
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