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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.channelBlockedList = type { ptr, ptr, ptr, { ptr, i32, i32 } }
%runtime.chanSelectState = type { ptr, ptr }
; Function Attrs: allockind("alloc,zeroed") allocsize(0)
declare noalias nonnull ptr @runtime.alloc(i32, ptr, ptr) #0
declare void @runtime.trackPointer(ptr nocapture readonly, ptr, ptr) #1
; Function Attrs: nounwind
define hidden void @main.init(ptr %context) unnamed_addr #2 {
entry:
ret void
}
; Function Attrs: nounwind
define hidden void @main.chanIntSend(ptr dereferenceable_or_null(32) %ch, ptr %context) unnamed_addr #2 {
entry:
%chan.blockedList = alloca %runtime.channelBlockedList, align 8
%chan.value = alloca i32, align 4
call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %chan.value)
store i32 3, ptr %chan.value, align 4
call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %chan.blockedList)
call void @runtime.chanSend(ptr %ch, ptr nonnull %chan.value, ptr nonnull %chan.blockedList, ptr undef) #4
call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %chan.blockedList)
call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %chan.value)
ret void
}
; Function Attrs: argmemonly nocallback nofree nosync nounwind willreturn
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3
declare void @runtime.chanSend(ptr dereferenceable_or_null(32), ptr, ptr dereferenceable_or_null(24), ptr) #1
; Function Attrs: argmemonly nocallback nofree nosync nounwind willreturn
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3
; Function Attrs: nounwind
define hidden void @main.chanIntRecv(ptr dereferenceable_or_null(32) %ch, ptr %context) unnamed_addr #2 {
entry:
%chan.blockedList = alloca %runtime.channelBlockedList, align 8
%chan.value = alloca i32, align 4
call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %chan.value)
call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %chan.blockedList)
%0 = call i1 @runtime.chanRecv(ptr %ch, ptr nonnull %chan.value, ptr nonnull %chan.blockedList, ptr undef) #4
call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %chan.value)
call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %chan.blockedList)
ret void
}
declare i1 @runtime.chanRecv(ptr dereferenceable_or_null(32), ptr, ptr dereferenceable_or_null(24), ptr) #1
; Function Attrs: nounwind
define hidden void @main.chanZeroSend(ptr dereferenceable_or_null(32) %ch, ptr %context) unnamed_addr #2 {
entry:
%complit = alloca {}, align 8
%chan.blockedList = alloca %runtime.channelBlockedList, align 8
%stackalloc = alloca i8, align 1
call void @runtime.trackPointer(ptr nonnull %complit, ptr nonnull %stackalloc, ptr undef) #4
call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %chan.blockedList)
call void @runtime.chanSend(ptr %ch, ptr null, ptr nonnull %chan.blockedList, ptr undef) #4
call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %chan.blockedList)
ret void
}
; Function Attrs: nounwind
define hidden void @main.chanZeroRecv(ptr dereferenceable_or_null(32) %ch, ptr %context) unnamed_addr #2 {
entry:
%chan.blockedList = alloca %runtime.channelBlockedList, align 8
call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %chan.blockedList)
%0 = call i1 @runtime.chanRecv(ptr %ch, ptr null, ptr nonnull %chan.blockedList, ptr undef) #4
call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %chan.blockedList)
ret void
}
; Function Attrs: nounwind
define hidden void @main.selectZeroRecv(ptr dereferenceable_or_null(32) %ch1, ptr dereferenceable_or_null(32) %ch2, ptr %context) unnamed_addr #2 {
entry:
%select.states.alloca = alloca [2 x %runtime.chanSelectState], align 8
%select.send.value = alloca i32, align 4
store i32 1, ptr %select.send.value, align 4
call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %select.states.alloca)
store ptr %ch1, ptr %select.states.alloca, align 8
%select.states.alloca.repack1 = getelementptr inbounds %runtime.chanSelectState, ptr %select.states.alloca, i32 0, i32 1
store ptr %select.send.value, ptr %select.states.alloca.repack1, align 4
%0 = getelementptr inbounds [2 x %runtime.chanSelectState], ptr %select.states.alloca, i32 0, i32 1
store ptr %ch2, ptr %0, align 8
%.repack3 = getelementptr inbounds [2 x %runtime.chanSelectState], ptr %select.states.alloca, i32 0, i32 1, i32 1
store ptr null, ptr %.repack3, align 4
%select.result = call { i32, i1 } @runtime.tryChanSelect(ptr undef, ptr nonnull %select.states.alloca, i32 2, i32 2, ptr undef) #4
call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %select.states.alloca)
%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(ptr, ptr, i32, i32, ptr) #1
attributes #0 = { allockind("alloc,zeroed") allocsize(0) "alloc-family"="runtime.alloc" "target-features"="+bulk-memory,+nontrapping-fptoint,+sign-ext" }
attributes #1 = { "target-features"="+bulk-memory,+nontrapping-fptoint,+sign-ext" }
attributes #2 = { nounwind "target-features"="+bulk-memory,+nontrapping-fptoint,+sign-ext" }
attributes #3 = { argmemonly nocallback nofree nosync nounwind willreturn }
attributes #4 = { nounwind }
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