[LLVMbugs] [Bug 2178] New: byval ignored by llvm2cpp.

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Fri Mar 28 22:37:57 PDT 2008


           Summary: byval ignored by llvm2cpp.
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: ofv at wanadoo.es
                CC: llvmbugs at cs.uiuc.edu

On the demo cgi:


enter this code:

struct S {
double d;

S foo(S);

double bar() {
  S s;
  s = foo(s);
  return s.d;

Check C++ as source language and check "Show LLVM C++ API code".

The C++ API code shown does not show any use of ParamAttr::ByVal, despite `foo'
being declared as

declare void @_Z3foo1S(%struct.S* sret , %struct.S* byval)

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