http://llvm.org/bugs/show_bug.cgi?id=4638
Summary: Missing simplification of calls
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Interprocedural Optimizations
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
calling convention code output by the frontend is unnecessary in this case
since the call is internal and should be cleaned up to use less IR (I'm
assuming the unconstrained calling convention on i386 can efficiently handle a
pair of i32).
In the example, BlueRule should just directly return a struct.BlueReturn or
first class struct rather than allocating stackspace, storing, casting, and
loading to get an i64. (with the matching proccess on the callee to extract
the pair).
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