[PATCH] D37898: [TargetLowering] Correctly track NumFixedArgs field of CallLoweringInfo

[Eli Friedman via Phabricator via llvm-commits]

efriedma added subscribers: sdardis, sunfish, jpienaar, efriedma.
efriedma added a comment.

x86, arm, and aarch64 have calling conventions which care whether a call is varargs, but not whether a particular argument is specified in the prototype.

Some grepping shows that MIPS, WebAssembly and Lanai care about NumFixedArgs.


https://reviews.llvm.org/D37898