Summary: Now `llc -filetype=null` works.
Reviewers: eush
Subscribers: dschuff, jgravelle-google, sbc100, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D54660
llvm-svn: 347155
return new WebAssemblyTargetAsmStreamer(S, OS);
}
+static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
+ return new WebAssemblyTargetNullStreamer(S);
+}
+
// Force static initialization.
extern "C" void LLVMInitializeWebAssemblyTargetMC() {
for (Target *T :
createObjectTargetStreamer);
// Register the asm target streamer.
TargetRegistry::RegisterAsmTargetStreamer(*T, createAsmTargetStreamer);
+ // Register the null target streamer.
+ TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer);
}
}
void emitImportModule(MCSymbolWasm *Sym, StringRef ModuleName) override;
};
+/// This part is for null output
+class WebAssemblyTargetNullStreamer final : public WebAssemblyTargetStreamer {
+public:
+ explicit WebAssemblyTargetNullStreamer(MCStreamer &S)
+ : WebAssemblyTargetStreamer(S) {}
+
+ void emitParam(MCSymbol *Symbol, ArrayRef<MVT> Types) override {}
+ void emitResult(MCSymbol *Symbol, ArrayRef<MVT> Types) override {}
+ void emitLocal(ArrayRef<MVT> Types) override {}
+ void emitEndFunc() override {}
+ void emitIndirectFunctionType(MCSymbolWasm *Symbol) override {}
+ void emitIndIdx(const MCExpr *Value) override {}
+ void emitGlobalType(MCSymbolWasm *Sym) override {}
+ void emitEventType(MCSymbolWasm *Sym) override {}
+ void emitImportModule(MCSymbolWasm *Sym, StringRef ModuleName) override {}
+};
+
} // end namespace llvm
#endif
--- /dev/null
+; RUN: llc < %s -O0 -filetype=null -exception-model=wasm -mattr=+exception-handling
+; RUN: llc < %s -O0 -filetype=asm -asm-verbose=false -exception-model=wasm -mattr=+exception-handling | FileCheck %s
+
+target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
+target triple = "wasm32-unknown-unknown"
+
+declare void @llvm.wasm.throw(i32, i8*)
+declare void @g()
+
+define i32 @test(i8* %p) {
+ %n = alloca i32
+ call void @llvm.wasm.throw(i32 0, i8* %p)
+ call void @g()
+ ret i32 0
+}
+
+; CHECK-DAG: .globaltype
+; CHECK-DAG: .eventtype
+; CHECK-DAG: .functype