llgo/ssa: deferInitBuilder
This commit is contained in:
xushiwei
18
cl/_testgo/defer1/in.go
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18
cl/_testgo/defer1/in.go
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@@ -0,0 +1,18 @@
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package main
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func f(s string) bool {
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return len(s) > 2
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}
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func main() {
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defer func() {
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println("hi")
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}()
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if s := "hello"; f(s) {
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defer println(s)
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} else {
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defer println("world")
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return
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}
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defer println("bye")
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}
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186
cl/_testgo/defer1/out.ll
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186
cl/_testgo/defer1/out.ll
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@@ -0,0 +1,186 @@
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; ModuleID = 'main'
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source_filename = "main"
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%"github.com/goplus/llgo/internal/runtime.String" = type { ptr, i64 }
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%"github.com/goplus/llgo/internal/runtime.Defer" = type { i64, ptr, i64 }
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@"main.init$guard" = global ptr null
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@__llgo_argc = global ptr null
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@__llgo_argv = global ptr null
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@__llgo_defer = linkonce global ptr null
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@0 = private unnamed_addr constant [6 x i8] c"hello\00", align 1
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@1 = private unnamed_addr constant [6 x i8] c"hello\00", align 1
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@2 = private unnamed_addr constant [4 x i8] c"bye\00", align 1
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@3 = private unnamed_addr constant [6 x i8] c"world\00", align 1
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@4 = private unnamed_addr constant [3 x i8] c"hi\00", align 1
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define i1 @main.f(%"github.com/goplus/llgo/internal/runtime.String" %0) {
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_llgo_0:
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%1 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %0, 1
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%2 = icmp sgt i64 %1, 2
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ret i1 %2
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}
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define void @main.init() {
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_llgo_0:
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%0 = load i1, ptr @"main.init$guard", align 1
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br i1 %0, label %_llgo_2, label %_llgo_1
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_llgo_1: ; preds = %_llgo_0
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store i1 true, ptr @"main.init$guard", align 1
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call void @"main.init$after"()
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br label %_llgo_2
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_llgo_2: ; preds = %_llgo_1, %_llgo_0
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ret void
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}
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define i32 @main(i32 %0, ptr %1) {
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_llgo_0:
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store i32 %0, ptr @__llgo_argc, align 4
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store ptr %1, ptr @__llgo_argv, align 8
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call void @"github.com/goplus/llgo/internal/runtime.init"()
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call void @main.init()
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%2 = load ptr, ptr @__llgo_defer, align 8
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%3 = call ptr @pthread_getspecific(ptr %2)
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%4 = alloca i8, i64 24, align 1
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%5 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Defer", ptr %4, i32 0, i32 0
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store i64 0, ptr %5, align 4
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%6 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Defer", ptr %4, i32 0, i32 1
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store ptr %3, ptr %6, align 8
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%7 = call i32 @pthread_setspecific(ptr %2, ptr %4)
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%8 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Defer", ptr %4, i32 0, i32 0
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%9 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Defer", ptr %4, i32 0, i32 2
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%10 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%11 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %10, i32 0, i32 0
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store ptr @0, ptr %11, align 8
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%12 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %10, i32 0, i32 1
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store i64 5, ptr %12, align 4
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%13 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %10, align 8
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%14 = call i1 @main.f(%"github.com/goplus/llgo/internal/runtime.String" %13)
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br i1 %14, label %_llgo_2, label %_llgo_3
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_llgo_1: ; No predecessors!
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ret i32 0
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_llgo_2: ; preds = %_llgo_0
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%15 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%16 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %15, i32 0, i32 0
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store ptr @1, ptr %16, align 8
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%17 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %15, i32 0, i32 1
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store i64 5, ptr %17, align 4
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%18 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %15, align 8
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%19 = load i64, ptr %8, align 4
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%20 = or i64 %19, 1
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store i64 %20, ptr %8, align 4
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%21 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%22 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %21, i32 0, i32 0
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store ptr @2, ptr %22, align 8
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%23 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %21, i32 0, i32 1
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store i64 3, ptr %23, align 4
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%24 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %21, align 8
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%25 = load i64, ptr %8, align 4
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%26 = or i64 %25, 2
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store i64 %26, ptr %8, align 4
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store i64 0, ptr %9, align 4
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br label %_llgo_4
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_llgo_3: ; preds = %_llgo_0
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%27 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%28 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %27, i32 0, i32 0
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store ptr @3, ptr %28, align 8
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%29 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %27, i32 0, i32 1
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store i64 5, ptr %29, align 4
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%30 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %27, align 8
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%31 = load i64, ptr %8, align 4
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%32 = or i64 %31, 4
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store i64 %32, ptr %8, align 4
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store i64 1, ptr %9, align 4
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br label %_llgo_4
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_llgo_4: ; preds = %_llgo_3, %_llgo_2
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%33 = load i64, ptr %8, align 4
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%34 = and i64 %33, 4
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%35 = icmp ne i64 %34, 0
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br i1 %35, label %_llgo_7, label %_llgo_8
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_llgo_5: ; preds = %_llgo_12
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ret i32 0
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_llgo_6: ; preds = %_llgo_12
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ret i32 0
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_llgo_7: ; preds = %_llgo_4
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call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %30)
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call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
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br label %_llgo_8
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_llgo_8: ; preds = %_llgo_7, %_llgo_4
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%36 = and i64 %33, 2
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%37 = icmp ne i64 %36, 0
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br i1 %37, label %_llgo_9, label %_llgo_10
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_llgo_9: ; preds = %_llgo_8
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call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %24)
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call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
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br label %_llgo_10
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_llgo_10: ; preds = %_llgo_9, %_llgo_8
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%38 = and i64 %33, 1
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%39 = icmp ne i64 %38, 0
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br i1 %39, label %_llgo_11, label %_llgo_12
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_llgo_11: ; preds = %_llgo_10
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call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %18)
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call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
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br label %_llgo_12
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_llgo_12: ; preds = %_llgo_11, %_llgo_10
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call void @"main.main$1"()
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%40 = load %"github.com/goplus/llgo/internal/runtime.Defer", ptr %4, align 8
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%41 = extractvalue %"github.com/goplus/llgo/internal/runtime.Defer" %40, 2
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%42 = call i32 @pthread_setspecific(ptr %2, i64 %41)
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%43 = load i64, ptr %9, align 4
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switch i64 %43, label %_llgo_5 [
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i64 1, label %_llgo_6
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]
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}
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declare void @"github.com/goplus/llgo/internal/runtime.init"()
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define void @"main.main$1"() {
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_llgo_0:
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%0 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
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%1 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %0, i32 0, i32 0
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store ptr @4, ptr %1, align 8
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%2 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %0, i32 0, i32 1
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store i64 2, ptr %2, align 4
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%3 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %0, align 8
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call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %3)
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call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
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ret void
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}
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declare ptr @pthread_getspecific(i32)
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declare i32 @pthread_setspecific(i32, ptr)
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declare void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String")
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declare void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8)
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define void @"main.init$after"() {
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_llgo_0:
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%0 = load ptr, ptr @__llgo_defer, align 8
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%1 = icmp eq ptr %0, null
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br i1 %1, label %_llgo_1, label %_llgo_2
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_llgo_1: ; preds = %_llgo_0
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%2 = call i32 @pthread_key_create(ptr @__llgo_defer, ptr null)
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br label %_llgo_2
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_llgo_2: ; preds = %_llgo_1, %_llgo_0
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ret void
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}
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declare i32 @pthread_key_create(ptr, ptr)
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