Files
tinygo/compiler/testdata/goroutine-wasm-asyncify.ll
Ayke van Laethem 571447c7c1 compiler: add 'align' attribute to runtime.alloc calls
This adds something like 'align 4' to the runtime.alloc calls, so that
the compiler knows the alignment of the allocation and can optimize
accordingly.

The optimization is very small, only 0.01% in my small test. However, my
plan is to read the value in the heap-to-stack transform pass to make it
more correct and let it produce slightly more optimal code.
2024-07-03 07:31:37 +02:00

201 lines
8.8 KiB
LLVM

; ModuleID = 'goroutine.go'
source_filename = "goroutine.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._string = type { ptr, i32 }
@"main$string" = internal unnamed_addr constant [4 x i8] c"test", align 1
; Function Attrs: allockind("alloc,zeroed") allocsize(0)
declare noalias nonnull ptr @runtime.alloc(i32, ptr, ptr) #0
declare void @runtime.trackPointer(ptr nocapture readonly, ptr, ptr) #1
; Function Attrs: nounwind
define hidden void @main.init(ptr %context) unnamed_addr #2 {
entry:
ret void
}
; Function Attrs: nounwind
define hidden void @main.regularFunctionGoroutine(ptr %context) unnamed_addr #2 {
entry:
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.regularFunction$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 65536, ptr undef) #9
ret void
}
declare void @main.regularFunction(i32, ptr) #1
declare void @runtime.deadlock(ptr) #1
; Function Attrs: nounwind
define linkonce_odr void @"main.regularFunction$gowrapper"(ptr %0) unnamed_addr #3 {
entry:
%unpack.int = ptrtoint ptr %0 to i32
call void @main.regularFunction(i32 %unpack.int, ptr undef) #9
call void @runtime.deadlock(ptr undef) #9
unreachable
}
declare void @"internal/task.start"(i32, ptr, i32, ptr) #1
; Function Attrs: nounwind
define hidden void @main.inlineFunctionGoroutine(ptr %context) unnamed_addr #2 {
entry:
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.inlineFunctionGoroutine$1$gowrapper" to i32), ptr nonnull inttoptr (i32 5 to ptr), i32 65536, ptr undef) #9
ret void
}
; Function Attrs: nounwind
define internal void @"main.inlineFunctionGoroutine$1"(i32 %x, ptr %context) unnamed_addr #2 {
entry:
ret void
}
; Function Attrs: nounwind
define linkonce_odr void @"main.inlineFunctionGoroutine$1$gowrapper"(ptr %0) unnamed_addr #4 {
entry:
%unpack.int = ptrtoint ptr %0 to i32
call void @"main.inlineFunctionGoroutine$1"(i32 %unpack.int, ptr undef)
call void @runtime.deadlock(ptr undef) #9
unreachable
}
; Function Attrs: nounwind
define hidden void @main.closureFunctionGoroutine(ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%n = call align 4 dereferenceable(4) ptr @runtime.alloc(i32 4, ptr nonnull inttoptr (i32 3 to ptr), ptr undef) #9
call void @runtime.trackPointer(ptr nonnull %n, ptr nonnull %stackalloc, ptr undef) #9
store i32 3, ptr %n, align 4
call void @runtime.trackPointer(ptr nonnull %n, ptr nonnull %stackalloc, ptr undef) #9
call void @runtime.trackPointer(ptr nonnull @"main.closureFunctionGoroutine$1", ptr nonnull %stackalloc, ptr undef) #9
%0 = call align 4 dereferenceable(8) ptr @runtime.alloc(i32 8, ptr null, ptr undef) #9
call void @runtime.trackPointer(ptr nonnull %0, ptr nonnull %stackalloc, ptr undef) #9
store i32 5, ptr %0, align 4
%1 = getelementptr inbounds { i32, ptr }, ptr %0, i32 0, i32 1
store ptr %n, ptr %1, align 4
call void @"internal/task.start"(i32 ptrtoint (ptr @"main.closureFunctionGoroutine$1$gowrapper" to i32), ptr nonnull %0, i32 65536, ptr undef) #9
%2 = load i32, ptr %n, align 4
call void @runtime.printint32(i32 %2, ptr undef) #9
ret void
}
; Function Attrs: nounwind
define internal void @"main.closureFunctionGoroutine$1"(i32 %x, ptr %context) unnamed_addr #2 {
entry:
store i32 7, ptr %context, align 4
ret void
}
; Function Attrs: nounwind
define linkonce_odr void @"main.closureFunctionGoroutine$1$gowrapper"(ptr %0) unnamed_addr #5 {
entry:
%1 = load i32, ptr %0, align 4
%2 = getelementptr inbounds { i32, ptr }, ptr %0, i32 0, i32 1
%3 = load ptr, ptr %2, align 4
call void @"main.closureFunctionGoroutine$1"(i32 %1, ptr %3)
call void @runtime.deadlock(ptr undef) #9
unreachable
}
declare void @runtime.printint32(i32, ptr) #1
; Function Attrs: nounwind
define hidden void @main.funcGoroutine(ptr %fn.context, ptr %fn.funcptr, ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%0 = call align 4 dereferenceable(12) ptr @runtime.alloc(i32 12, ptr null, ptr undef) #9
call void @runtime.trackPointer(ptr nonnull %0, ptr nonnull %stackalloc, ptr undef) #9
store i32 5, ptr %0, align 4
%1 = getelementptr inbounds { i32, ptr, ptr }, ptr %0, i32 0, i32 1
store ptr %fn.context, ptr %1, align 4
%2 = getelementptr inbounds { i32, ptr, ptr }, ptr %0, i32 0, i32 2
store ptr %fn.funcptr, ptr %2, align 4
call void @"internal/task.start"(i32 ptrtoint (ptr @main.funcGoroutine.gowrapper to i32), ptr nonnull %0, i32 65536, ptr undef) #9
ret void
}
; Function Attrs: nounwind
define linkonce_odr void @main.funcGoroutine.gowrapper(ptr %0) unnamed_addr #6 {
entry:
%1 = load i32, ptr %0, align 4
%2 = getelementptr inbounds { i32, ptr, ptr }, ptr %0, i32 0, i32 1
%3 = load ptr, ptr %2, align 4
%4 = getelementptr inbounds { i32, ptr, ptr }, ptr %0, i32 0, i32 2
%5 = load ptr, ptr %4, align 4
call void %5(i32 %1, ptr %3) #9
call void @runtime.deadlock(ptr undef) #9
unreachable
}
; Function Attrs: nounwind
define hidden void @main.recoverBuiltinGoroutine(ptr %context) unnamed_addr #2 {
entry:
ret void
}
; Function Attrs: nounwind
define hidden void @main.copyBuiltinGoroutine(ptr %dst.data, i32 %dst.len, i32 %dst.cap, ptr %src.data, i32 %src.len, i32 %src.cap, ptr %context) unnamed_addr #2 {
entry:
%copy.n = call i32 @runtime.sliceCopy(ptr %dst.data, ptr %src.data, i32 %dst.len, i32 %src.len, i32 1, ptr undef) #9
ret void
}
declare i32 @runtime.sliceCopy(ptr nocapture writeonly, ptr nocapture readonly, i32, i32, i32, ptr) #1
; Function Attrs: nounwind
define hidden void @main.closeBuiltinGoroutine(ptr dereferenceable_or_null(32) %ch, ptr %context) unnamed_addr #2 {
entry:
call void @runtime.chanClose(ptr %ch, ptr undef) #9
ret void
}
declare void @runtime.chanClose(ptr dereferenceable_or_null(32), ptr) #1
; Function Attrs: nounwind
define hidden void @main.startInterfaceMethod(ptr %itf.typecode, ptr %itf.value, ptr %context) unnamed_addr #2 {
entry:
%stackalloc = alloca i8, align 1
%0 = call align 4 dereferenceable(16) ptr @runtime.alloc(i32 16, ptr null, ptr undef) #9
call void @runtime.trackPointer(ptr nonnull %0, ptr nonnull %stackalloc, ptr undef) #9
store ptr %itf.value, ptr %0, align 4
%1 = getelementptr inbounds { ptr, %runtime._string, ptr }, ptr %0, i32 0, i32 1
store ptr @"main$string", ptr %1, align 4
%.repack1 = getelementptr inbounds { ptr, %runtime._string, ptr }, ptr %0, i32 0, i32 1, i32 1
store i32 4, ptr %.repack1, align 4
%2 = getelementptr inbounds { ptr, %runtime._string, ptr }, ptr %0, i32 0, i32 2
store ptr %itf.typecode, ptr %2, align 4
call void @"internal/task.start"(i32 ptrtoint (ptr @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper" to i32), ptr nonnull %0, i32 65536, ptr undef) #9
ret void
}
declare void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr, ptr, i32, ptr, ptr) #7
; Function Attrs: nounwind
define linkonce_odr void @"interface:{Print:func:{basic:string}{}}.Print$invoke$gowrapper"(ptr %0) unnamed_addr #8 {
entry:
%1 = load ptr, ptr %0, align 4
%2 = getelementptr inbounds { ptr, ptr, i32, ptr }, ptr %0, i32 0, i32 1
%3 = load ptr, ptr %2, align 4
%4 = getelementptr inbounds { ptr, ptr, i32, ptr }, ptr %0, i32 0, i32 2
%5 = load i32, ptr %4, align 4
%6 = getelementptr inbounds { ptr, ptr, i32, ptr }, ptr %0, i32 0, i32 3
%7 = load ptr, ptr %6, align 4
call void @"interface:{Print:func:{basic:string}{}}.Print$invoke"(ptr %1, ptr %3, i32 %5, ptr %7, ptr undef) #9
call void @runtime.deadlock(ptr undef) #9
unreachable
}
attributes #0 = { allockind("alloc,zeroed") allocsize(0) "alloc-family"="runtime.alloc" "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" }
attributes #1 = { "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" }
attributes #2 = { nounwind "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" }
attributes #3 = { nounwind "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" "tinygo-gowrapper"="main.regularFunction" }
attributes #4 = { nounwind "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" "tinygo-gowrapper"="main.inlineFunctionGoroutine$1" }
attributes #5 = { nounwind "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" "tinygo-gowrapper"="main.closureFunctionGoroutine$1" }
attributes #6 = { nounwind "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" "tinygo-gowrapper" }
attributes #7 = { "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" "tinygo-invoke"="reflect/methods.Print(string)" "tinygo-methods"="reflect/methods.Print(string)" }
attributes #8 = { nounwind "target-features"="+bulk-memory,+mutable-globals,+nontrapping-fptoint,+sign-ext" "tinygo-gowrapper"="interface:{Print:func:{basic:string}{}}.Print$invoke" }
attributes #9 = { nounwind }