3edcdb5f0d
Closure variables are allocated in a parent function and are thus never nil. Don't do a nil check before reading or modifying the value. This commit results in a slight reduction in code size in some test cases: calls.go, channel.go, goroutines.go, json.go, sort.go - presumably wherever closures are used.
106 строки
4,7 КиБ
LLVM
106 строки
4,7 КиБ
LLVM
; ModuleID = 'goroutine.go'
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source_filename = "goroutine.go"
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32--wasi"
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%runtime.funcValueWithSignature = type { i32, i8* }
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%runtime.channel = type { i32, i32, i8, %runtime.channelBlockedList*, i32, i32, i32, i8* }
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%runtime.channelBlockedList = type { %runtime.channelBlockedList*, %"internal/task.Task"*, %runtime.chanSelectState*, { %runtime.channelBlockedList*, i32, i32 } }
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%"internal/task.Task" = type { %"internal/task.Task"*, i8*, i32, %"internal/task.state" }
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%"internal/task.state" = type { i8* }
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%runtime.chanSelectState = type { %runtime.channel*, i8* }
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@"main.regularFunctionGoroutine$pack" = private unnamed_addr constant { i32, i8* } { i32 5, i8* undef }
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@"main.inlineFunctionGoroutine$pack" = private unnamed_addr constant { i32, i8* } { i32 5, i8* undef }
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@"reflect/types.funcid:func:{basic:int}{}" = external constant i8
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@"main.closureFunctionGoroutine$1$withSignature" = linkonce_odr constant %runtime.funcValueWithSignature { i32 ptrtoint (void (i32, i8*, i8*)* @"main.closureFunctionGoroutine$1" to i32), i8* @"reflect/types.funcid:func:{basic:int}{}" }
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declare noalias nonnull i8* @runtime.alloc(i32, i8*, i8*)
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define hidden void @main.init(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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ret void
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}
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define hidden void @main.regularFunctionGoroutine(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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call void @"internal/task.start"(i32 ptrtoint (void (i32, i8*, i8*)* @main.regularFunction to i32), i8* bitcast ({ i32, i8* }* @"main.regularFunctionGoroutine$pack" to i8*), i32 undef, i8* undef, i8* null)
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ret void
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}
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declare void @main.regularFunction(i32, i8*, i8*)
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declare void @"internal/task.start"(i32, i8*, i32, i8*, i8*)
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define hidden void @main.inlineFunctionGoroutine(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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call void @"internal/task.start"(i32 ptrtoint (void (i32, i8*, i8*)* @"main.inlineFunctionGoroutine$1" to i32), i8* bitcast ({ i32, i8* }* @"main.inlineFunctionGoroutine$pack" to i8*), i32 undef, i8* undef, i8* null)
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ret void
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}
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define hidden void @"main.inlineFunctionGoroutine$1"(i32 %x, i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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ret void
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}
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define hidden void @main.closureFunctionGoroutine(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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%n = call i8* @runtime.alloc(i32 4, i8* undef, i8* null)
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%0 = bitcast i8* %n to i32*
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store i32 3, i32* %0, align 4
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%1 = call i8* @runtime.alloc(i32 8, i8* undef, i8* null)
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%2 = bitcast i8* %1 to i32*
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store i32 5, i32* %2, align 4
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%3 = getelementptr inbounds i8, i8* %1, i32 4
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%4 = bitcast i8* %3 to i8**
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store i8* %n, i8** %4, align 4
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call void @"internal/task.start"(i32 ptrtoint (void (i32, i8*, i8*)* @"main.closureFunctionGoroutine$1" to i32), i8* nonnull %1, i32 undef, i8* undef, i8* null)
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%5 = load i32, i32* %0, align 4
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call void @runtime.printint32(i32 %5, i8* undef, i8* null)
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ret void
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}
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define hidden void @"main.closureFunctionGoroutine$1"(i32 %x, i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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%unpack.ptr = bitcast i8* %context to i32*
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store i32 7, i32* %unpack.ptr, align 4
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ret void
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}
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declare void @runtime.printint32(i32, i8*, i8*)
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define hidden void @main.funcGoroutine(i8* %fn.context, i32 %fn.funcptr, i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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%0 = call i32 @runtime.getFuncPtr(i8* %fn.context, i32 %fn.funcptr, i8* nonnull @"reflect/types.funcid:func:{basic:int}{}", i8* undef, i8* null)
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%1 = call i8* @runtime.alloc(i32 8, i8* undef, i8* null)
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%2 = bitcast i8* %1 to i32*
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store i32 5, i32* %2, align 4
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%3 = getelementptr inbounds i8, i8* %1, i32 4
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%4 = bitcast i8* %3 to i8**
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store i8* %fn.context, i8** %4, align 4
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call void @"internal/task.start"(i32 %0, i8* nonnull %1, i32 undef, i8* undef, i8* null)
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ret void
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}
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declare i32 @runtime.getFuncPtr(i8*, i32, i8* dereferenceable_or_null(1), i8*, i8*)
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define hidden void @main.recoverBuiltinGoroutine(i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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ret void
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}
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define hidden void @main.copyBuiltinGoroutine(i8* %dst.data, i32 %dst.len, i32 %dst.cap, i8* %src.data, i32 %src.len, i32 %src.cap, i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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%copy.n = call i32 @runtime.sliceCopy(i8* %dst.data, i8* %src.data, i32 %dst.len, i32 %src.len, i32 1, i8* undef, i8* null)
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ret void
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}
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declare i32 @runtime.sliceCopy(i8* nocapture writeonly, i8* nocapture readonly, i32, i32, i32, i8*, i8*)
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define hidden void @main.closeBuiltinGoroutine(%runtime.channel* dereferenceable_or_null(32) %ch, i8* %context, i8* %parentHandle) unnamed_addr {
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entry:
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call void @runtime.chanClose(%runtime.channel* %ch, i8* undef, i8* null)
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ret void
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}
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declare void @runtime.chanClose(%runtime.channel* dereferenceable_or_null(32), i8*, i8*)
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