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runtime: StringCat

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This commit is contained in:
xushiwei
2024-05-01 22:00:34 +08:00
parent 52a64a7770
commit cf02f4a34f
5 changed files with 132 additions and 13 deletions
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12
cl/_testrt/concat/in.go
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@@ -4,6 +4,14 @@ import (
"github.com/goplus/llgo/internal/runtime/c"
)
func main() {
c.Fprintf(c.Stderr, c.Str("Hello %d\n"), 100)
func concat(args ...string) (ret string) {
for _, v := range args {
ret += v
}
return
}
func main() {
result := concat("Hello", " ", "World")
c.Fprintf(c.Stderr, c.Str("Hello %s\n"), c.AllocaCStr(result))
}

69
cl/_testrt/concat/out.ll
View File

@@ -1,9 +1,40 @@
; ModuleID = 'main'
source_filename = "main"
%"github.com/goplus/llgo/internal/runtime.String" = type { ptr, i64 }
%"github.com/goplus/llgo/internal/runtime.Slice" = type { ptr, i64, i64 }
@"main.init$guard" = global ptr null
@0 = private unnamed_addr constant [1 x i8] zeroinitializer, align 1
@1 = private unnamed_addr constant [6 x i8] c"Hello\00", align 1
@2 = private unnamed_addr constant [2 x i8] c" \00", align 1
@3 = private unnamed_addr constant [6 x i8] c"World\00", align 1
@__stderrp = external global ptr
@0 = private unnamed_addr constant [10 x i8] c"Hello %d\0A\00", align 1
@4 = private unnamed_addr constant [10 x i8] c"Hello %s\0A\00", align 1
define %"github.com/goplus/llgo/internal/runtime.String" @main.concat(%"github.com/goplus/llgo/internal/runtime.Slice" %0) {
_llgo_0:
%1 = call i64 @"github.com/goplus/llgo/internal/runtime.SliceLen"(%"github.com/goplus/llgo/internal/runtime.Slice" %0)
br label %_llgo_1
_llgo_1: ; preds = %_llgo_2, %_llgo_0
%2 = phi %"github.com/goplus/llgo/internal/runtime.String" [ %10, %_llgo_0 ], [ %9, %_llgo_2 ]
%3 = phi i64 [ -1, %_llgo_0 ], [ %4, %_llgo_2 ]
%4 = add i64 %3, 1
%5 = icmp slt i64 %4, %1
br i1 %5, label %_llgo_2, label %_llgo_3
_llgo_2: ; preds = %_llgo_1
%6 = call ptr @"github.com/goplus/llgo/internal/runtime.SliceData"(%"github.com/goplus/llgo/internal/runtime.Slice" %0)
%7 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %6, i64 %4
%8 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %7, align 8
%9 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.String" %2, %"github.com/goplus/llgo/internal/runtime.String" %8)
br label %_llgo_1
_llgo_3: ; preds = %_llgo_1
ret %"github.com/goplus/llgo/internal/runtime.String" %2
%10 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.NewString"(ptr @0, i64 0)
}
define void @main.init() {
_llgo_0:
@@ -22,11 +53,43 @@ define void @main() {
_llgo_0:
call void @"github.com/goplus/llgo/internal/runtime.init"()
call void @main.init()
%0 = load ptr, ptr @__stderrp, align 8
%1 = call i32 (ptr, ptr, ...) @fprintf(ptr %0, ptr @0, i64 100)
%0 = call ptr @"github.com/goplus/llgo/internal/runtime.Alloc"(i64 48)
%1 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %0, i64 0
%2 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.NewString"(ptr @1, i64 5)
store %"github.com/goplus/llgo/internal/runtime.String" %2, ptr %1, align 8
%3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %0, i64 1
%4 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.NewString"(ptr @2, i64 1)
store %"github.com/goplus/llgo/internal/runtime.String" %4, ptr %3, align 8
%5 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %0, i64 2
%6 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.NewString"(ptr @3, i64 5)
store %"github.com/goplus/llgo/internal/runtime.String" %6, ptr %5, align 8
%7 = call %"github.com/goplus/llgo/internal/runtime.Slice" @"github.com/goplus/llgo/internal/runtime.NewSlice"(ptr %0, i64 3, i64 3)
%8 = call %"github.com/goplus/llgo/internal/runtime.String" @main.concat(%"github.com/goplus/llgo/internal/runtime.Slice" %7)
%9 = load ptr, ptr @__stderrp, align 8
%10 = call i64 @"github.com/goplus/llgo/internal/runtime.StringLen"(%"github.com/goplus/llgo/internal/runtime.String" %8)
%11 = add i64 %10, 1
%12 = alloca i8, i64 %11, align 1
%13 = call ptr @"github.com/goplus/llgo/internal/runtime.CStrCopy"(ptr %12, %"github.com/goplus/llgo/internal/runtime.String" %8)
%14 = call i32 (ptr, ptr, ...) @fprintf(ptr %9, ptr @4, ptr %13)
ret void
}
declare i64 @"github.com/goplus/llgo/internal/runtime.SliceLen"(%"github.com/goplus/llgo/internal/runtime.Slice")
declare ptr @"github.com/goplus/llgo/internal/runtime.SliceData"(%"github.com/goplus/llgo/internal/runtime.Slice")
declare %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.Slice")
declare %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.NewString"(ptr, i64)
declare void @"github.com/goplus/llgo/internal/runtime.init"()
declare ptr @"github.com/goplus/llgo/internal/runtime.Alloc"(i64)
declare %"github.com/goplus/llgo/internal/runtime.Slice" @"github.com/goplus/llgo/internal/runtime.NewSlice"(ptr, i64, i64)
declare i64 @"github.com/goplus/llgo/internal/runtime.StringLen"(%"github.com/goplus/llgo/internal/runtime.Slice")
declare ptr @"github.com/goplus/llgo/internal/runtime.CStrCopy"(ptr, %"github.com/goplus/llgo/internal/runtime.String")
declare i32 @fprintf(ptr, ptr, ...)