Sam Parker 92e7771483 [WebAssembly] Invert branch condition on xor input ...

A frequent pattern for floating point conditional branches use an xor
to invert the input for the branch. Instead we can fold away the xor
by swapping the branch target instead.

Differential Revision: https://reviews.llvm.org/D99171

2021-04-01 09:23:28 +01:00

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