[LLVMbugs] [Bug 3171] New: not optimizing trivial loop (trip count computation)

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3171

           Summary: not optimizing trivial loop (trip count computation)
           Product: libraries
           Version: 1.0
          Platform: PC
        OS/Version: All
            Status: NEW
          Keywords: code-quality
          Severity: normal
          Priority: P2
         Component: Scalar Optimizations
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: clattner at apple.com
                CC: llvmbugs at cs.uiuc.edu


We don't optimize away the dtor loop in this code:


struct Foo { ~Foo() {} int i; };
struct NonPod { Foo foo[2]; };
void foo(void)
{
        NonPod x;
}

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19639


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