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| author | Bernhard Schommer <bernhardschommer@gmail.com> | 2018-03-09 12:45:10 +0100 |
|---|---|---|
| committer | Bernhard Schommer <bernhardschommer@gmail.com> | 2018-03-09 12:45:10 +0100 |
| commit | 49bc45ed256f2d4d68ddab6868a2de06a67647be (patch) | |
| tree | 8f0234e94ddaae9d21b682ce15f43c12ee3a6c0a | |
| parent | 3f12f94bb84b796f764a2a0765048c17ab840ffb (diff) | |
| download | compcert-kvx-49bc45ed256f2d4d68ddab6868a2de06a67647be.tar.gz compcert-kvx-49bc45ed256f2d4d68ddab6868a2de06a67647be.zip | |
Do not transfer arguments for annotations.
In order to ensure that no transformation for arguments to
builtin annotations are used, the original unchanged arguments are
used.
Bug 23179
| -rw-r--r-- | cparser/StructPassing.ml | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/cparser/StructPassing.ml b/cparser/StructPassing.ml index e431d9f9..10aa6fd5 100644 --- a/cparser/StructPassing.ml +++ b/cparser/StructPassing.ml @@ -323,12 +323,15 @@ and transf_call env ctx opt_lhs fn args ty = | None -> e | Some lhs -> eassign lhs e in match fn with - | {edesc = EVar { C.name = "__builtin_va_arg" - | "__builtin_annot" + | {edesc = EVar { C.name = "__builtin_annot" | "__builtin_annot_intval" | "__builtin_ais_annot" } } -> (* Do not transform the call in this case, just use the default pass-by-reference mode for struct/union arguments. *) + opt_eassign {edesc = ECall(fn, args); etyp = ty} + | {edesc = EVar { C.name = "__builtin_va_arg" } } -> + (* Do not transform the call in this case, just use the default + pass-by-reference mode for struct/union arguments. *) opt_eassign {edesc = ECall(fn, args'); etyp = ty} | _ -> let call = |