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; ModuleID = 'channel.go'
source_filename = "channel.go"
target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-n32:64-S128-ni:1:10:20"
target triple = "wasm32-unknown-wasi"
%runtime.channel = type { i32, i32, i8, %runtime.channelBlockedList*, i32, i32, i32, i8* }
%runtime.channelBlockedList = type { %runtime.channelBlockedList*, %"internal/task.Task"*, %runtime.chanSelectState*, { %runtime.channelBlockedList*, i32, i32 } }
%"internal/task.Task" = type { %"internal/task.Task"*, i8*, i64, %"internal/task.gcData", %"internal/task.state", i8* }
%"internal/task.gcData" = type { i8* }
%"internal/task.state" = type { i32, i8*, %"internal/task.stackState", i1 }
%"internal/task.stackState" = type { i32, i32 }
%runtime.chanSelectState = type { %runtime.channel*, i8* }
declare noalias nonnull i8* @runtime.alloc(i32, i8*, i8*) #0
declare void @runtime.trackPointer(i8* nocapture readonly, i8*) #0
; Function Attrs: nounwind
define hidden void @main.init(i8* %context) unnamed_addr #1 {
entry:
ret void
}
; Function Attrs: nounwind
define hidden void @main.chanIntSend(%runtime.channel* dereferenceable_or_null(32) %ch, i8* %context) unnamed_addr #1 {
entry:
%chan.blockedList = alloca %runtime.channelBlockedList, align 8
%chan.value = alloca i32, align 4
%chan.value.bitcast = bitcast i32* %chan.value to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %chan.value.bitcast)
store i32 3, i32* %chan.value, align 4
%chan.blockedList.bitcast = bitcast %runtime.channelBlockedList* %chan.blockedList to i8*
call void @llvm.lifetime.start.p0i8(i64 24, i8* nonnull %chan.blockedList.bitcast)
call void @runtime.chanSend(%runtime.channel* %ch, i8* nonnull %chan.value.bitcast, %runtime.channelBlockedList* nonnull %chan.blockedList, i8* undef) #3
call void @llvm.lifetime.end.p0i8(i64 24, i8* nonnull %chan.blockedList.bitcast)
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %chan.value.bitcast)
ret void
}
; Function Attrs: argmemonly nofree nosync nounwind willreturn
declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #2
declare void @runtime.chanSend(%runtime.channel* dereferenceable_or_null(32), i8*, %runtime.channelBlockedList* dereferenceable_or_null(24), i8*) #0
; Function Attrs: argmemonly nofree nosync nounwind willreturn
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #2
; Function Attrs: nounwind
define hidden void @main.chanIntRecv(%runtime.channel* dereferenceable_or_null(32) %ch, i8* %context) unnamed_addr #1 {
entry:
%chan.blockedList = alloca %runtime.channelBlockedList, align 8
%chan.value = alloca i32, align 4
%chan.value.bitcast = bitcast i32* %chan.value to i8*
call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %chan.value.bitcast)
%chan.blockedList.bitcast = bitcast %runtime.channelBlockedList* %chan.blockedList to i8*
call void @llvm.lifetime.start.p0i8(i64 24, i8* nonnull %chan.blockedList.bitcast)
%0 = call i1 @runtime.chanRecv(%runtime.channel* %ch, i8* nonnull %chan.value.bitcast, %runtime.channelBlockedList* nonnull %chan.blockedList, i8* undef) #3
call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %chan.value.bitcast)
call void @llvm.lifetime.end.p0i8(i64 24, i8* nonnull %chan.blockedList.bitcast)
ret void
}
declare i1 @runtime.chanRecv(%runtime.channel* dereferenceable_or_null(32), i8*, %runtime.channelBlockedList* dereferenceable_or_null(24), i8*) #0
; Function Attrs: nounwind
define hidden void @main.chanZeroSend(%runtime.channel* dereferenceable_or_null(32) %ch, i8* %context) unnamed_addr #1 {
entry:
%complit = alloca {}, align 8
%chan.blockedList = alloca %runtime.channelBlockedList, align 8
%0 = bitcast {}* %complit to i8*
call void @runtime.trackPointer(i8* nonnull %0, i8* undef) #3
%chan.blockedList.bitcast = bitcast %runtime.channelBlockedList* %chan.blockedList to i8*
call void @llvm.lifetime.start.p0i8(i64 24, i8* nonnull %chan.blockedList.bitcast)
call void @runtime.chanSend(%runtime.channel* %ch, i8* null, %runtime.channelBlockedList* nonnull %chan.blockedList, i8* undef) #3
call void @llvm.lifetime.end.p0i8(i64 24, i8* nonnull %chan.blockedList.bitcast)
ret void
}
; Function Attrs: nounwind
define hidden void @main.chanZeroRecv(%runtime.channel* dereferenceable_or_null(32) %ch, i8* %context) unnamed_addr #1 {
entry:
%chan.blockedList = alloca %runtime.channelBlockedList, align 8
%chan.blockedList.bitcast = bitcast %runtime.channelBlockedList* %chan.blockedList to i8*
call void @llvm.lifetime.start.p0i8(i64 24, i8* nonnull %chan.blockedList.bitcast)
%0 = call i1 @runtime.chanRecv(%runtime.channel* %ch, i8* null, %runtime.channelBlockedList* nonnull %chan.blockedList, i8* undef) #3
call void @llvm.lifetime.end.p0i8(i64 24, i8* nonnull %chan.blockedList.bitcast)
ret void
}
; Function Attrs: nounwind
define hidden void @main.selectZeroRecv(%runtime.channel* dereferenceable_or_null(32) %ch1, %runtime.channel* dereferenceable_or_null(32) %ch2, i8* %context) unnamed_addr #1 {
entry:
%select.states.alloca = alloca [2 x %runtime.chanSelectState], align 8
%select.send.value = alloca i32, align 4
store i32 1, i32* %select.send.value, align 4
%select.states.alloca.bitcast = bitcast [2 x %runtime.chanSelectState]* %select.states.alloca to i8*
call void @llvm.lifetime.start.p0i8(i64 16, i8* nonnull %select.states.alloca.bitcast)
%.repack = getelementptr inbounds [2 x %runtime.chanSelectState], [2 x %runtime.chanSelectState]* %select.states.alloca, i32 0, i32 0, i32 0
store %runtime.channel* %ch1, %runtime.channel** %.repack, align 8
%.repack1 = getelementptr inbounds [2 x %runtime.chanSelectState], [2 x %runtime.chanSelectState]* %select.states.alloca, i32 0, i32 0, i32 1
%0 = bitcast i8** %.repack1 to i32**
store i32* %select.send.value, i32** %0, align 4
%.repack3 = getelementptr inbounds [2 x %runtime.chanSelectState], [2 x %runtime.chanSelectState]* %select.states.alloca, i32 0, i32 1, i32 0
store %runtime.channel* %ch2, %runtime.channel** %.repack3, align 8
%.repack4 = getelementptr inbounds [2 x %runtime.chanSelectState], [2 x %runtime.chanSelectState]* %select.states.alloca, i32 0, i32 1, i32 1
store i8* null, i8** %.repack4, align 4
%select.states = getelementptr inbounds [2 x %runtime.chanSelectState], [2 x %runtime.chanSelectState]* %select.states.alloca, i32 0, i32 0
%select.result = call { i32, i1 } @runtime.tryChanSelect(i8* undef, %runtime.chanSelectState* nonnull %select.states, i32 2, i32 2, i8* undef) #3
call void @llvm.lifetime.end.p0i8(i64 16, i8* nonnull %select.states.alloca.bitcast)
%1 = extractvalue { i32, i1 } %select.result, 0
%2 = icmp eq i32 %1, 0
br i1 %2, label %select.done, label %select.next
select.done: ; preds = %select.body, %select.next, %entry
ret void
select.next: ; preds = %entry
%3 = icmp eq i32 %1, 1
br i1 %3, label %select.body, label %select.done
select.body: ; preds = %select.next
br label %select.done
}
declare { i32, i1 } @runtime.tryChanSelect(i8*, %runtime.chanSelectState*, i32, i32, i8*) #0
attributes #0 = { "target-features"="+bulk-memory,+nontrapping-fptoint,+sign-ext" }
attributes #1 = { nounwind "target-features"="+bulk-memory,+nontrapping-fptoint,+sign-ext" }
attributes #2 = { argmemonly nofree nosync nounwind willreturn }
attributes #3 = { nounwind }