[LLVMbugs] [Bug 19545] New: Missing devirtualization

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Thu Apr 24 06:32:02 PDT 2014


            Bug ID: 19545
           Summary: Missing devirtualization
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: rafael.espindola at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

In the following example clang produces non virtual calls in g, but not in h.

struct foo {
  virtual int f() {return 0;}
int g(foo x) {
  return x.f();
int h(foo x[2]) {
  return x[0].f();

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