[PATCH] D65246: [WebAssembly] Do not emit tail calls with return type mismatch
Heejin Ahn via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jul 29 18:17:38 PDT 2019
aheejin accepted this revision.
aheejin added a comment.
This revision is now accepted and ready to land.
LGTM!
================
Comment at: llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp:649
+ bool MustTail = CLI.CS && CLI.CS.isMustTailCall();
+ if (Subtarget->hasTailCall() && !CLI.IsVarArg) {
+ // Do not tail call unless caller and callee return types match
----------------
tlively wrote:
> aheejin wrote:
> > Would we need a test case for vararg too?
> There already is one that was updated for this change.
Oh I didn't see it, sorry.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D65246/new/
https://reviews.llvm.org/D65246
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