Dan Gohman e81021a5cb [WebAssembly] Convert stackified IMPLICIT_DEF into constant 0. ...

Since IMPLIFIT_DEF instructions are omitted in the output, when the output
of an IMPLICIT_DEF instruction is stackified, the resulting register lacks
an explicit push, leading to a push/pop mismatch. Fix this by converting
such IMPLICIT_DEFs into CONST_I32 0 instructions so that they have explicit
pushes.

llvm-svn: 286274

2016-11-08 19:40:38 +00:00

34 KiB

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