1 //===-- WebAssemblyPeephole.cpp - WebAssembly Peephole Optimiztions -------===//
10 /// Late peephole optimizations for WebAssembly.
15 #include "WebAssembly.h"
28     cl::desc("WebAssembly: Disable fallthrough-return optimizations."),
34     return "WebAssembly late peephole optimizer";  in getPassName()
53                 "WebAssembly peephole optimizations", false, false)
86   assert(End->getOpcode() == WebAssembly::END_FUNCTION);  in maybeRewriteToFallthrough()
99       case WebAssembly::I32RegClassID:  in maybeRewriteToFallthrough()
100         CopyLocalOpc = WebAssembly::COPY_I32;  in maybeRewriteToFallthrough()
102       case WebAssembly::I64RegClassID:  in maybeRewriteToFallthrough()
103         CopyLocalOpc = WebAssembly::COPY_I64;  in maybeRewriteToFallthrough()
105       case WebAssembly::F32RegClassID:  in maybeRewriteToFallthrough()
106         CopyLocalOpc = WebAssembly::COPY_F32;  in maybeRewriteToFallthrough()
108       case WebAssembly::F64RegClassID:  in maybeRewriteToFallthrough()
109         CopyLocalOpc = WebAssembly::COPY_F64;  in maybeRewriteToFallthrough()
111       case WebAssembly::V128RegClassID:  in maybeRewriteToFallthrough()
112         CopyLocalOpc = WebAssembly::COPY_V128;  in maybeRewriteToFallthrough()
114       case WebAssembly::FUNCREFRegClassID:  in maybeRewriteToFallthrough()
115         CopyLocalOpc = WebAssembly::COPY_FUNCREF;  in maybeRewriteToFallthrough()
117       case WebAssembly::EXTERNREFRegClassID:  in maybeRewriteToFallthrough()
118         CopyLocalOpc = WebAssembly::COPY_EXTERNREF;  in maybeRewriteToFallthrough()
120       case WebAssembly::EXNREFRegClassID:  in maybeRewriteToFallthrough()
121         CopyLocalOpc = WebAssembly::COPY_EXNREF;  in maybeRewriteToFallthrough()
134   MI.setDesc(TII.get(WebAssembly::FALLTHROUGH_RETURN));  in maybeRewriteToFallthrough()
158       case WebAssembly::CALL: {  in runOnMachineFunction()
185       case WebAssembly::RETURN:  in runOnMachineFunction()