http://llvm.org/bugs/show_bug.cgi?id=6043
Summary: DSE misses easy optimization
Product: libraries
Version: trunk
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Scalar Optimizations
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=4052)
--> (http://llvm.org/bugs/attachment.cgi?id=4052)
Simple dse test
The attached test case has two i32 stores that should be eliminated pretty
easily.
Running it through opt -dse does nothing, though.
The code is generated by llvm-gcc from this union:
union {
int64_t a;
struct {
int32_t x,y;
};
};
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