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runtime: StringCat; llgo/ssa: aggregateValue

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This commit is contained in:
xushiwei
2024-05-02 12:39:25 +08:00
parent 75d513a78a
commit 9cf122c31a
4 changed files with 71 additions and 89 deletions
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37
cl/_testrt/concat/out.ll
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@@ -21,27 +21,30 @@ _llgo_0:
br label %_llgo_1
_llgo_1: ; preds = %_llgo_2, %_llgo_0
%5 = phi ptr [ %3, %_llgo_0 ], [ %14, %_llgo_2 ]
%6 = phi i64 [ %4, %_llgo_0 ], [ %15, %_llgo_2 ]
%7 = phi i64 [ -1, %_llgo_0 ], [ %8, %_llgo_2 ]
%mrv = insertvalue %"github.com/goplus/llgo/internal/runtime.String" poison, ptr %5, 0
%mrv1 = insertvalue %"github.com/goplus/llgo/internal/runtime.String" %mrv, i64 %6, 1
ret %"github.com/goplus/llgo/internal/runtime.String" %mrv1
%8 = add i64 %7, 1
%9 = icmp slt i64 %8, %1
br i1 %9, label %_llgo_2, label %_llgo_3
%5 = phi ptr [ %3, %_llgo_0 ], [ %18, %_llgo_2 ]
%6 = phi i64 [ %4, %_llgo_0 ], [ %19, %_llgo_2 ]
%7 = phi i64 [ -1, %_llgo_0 ], [ %12, %_llgo_2 ]
%8 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
%9 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %8, i32 0, i32 0
store ptr %5, ptr %9, align 8
%10 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %8, i32 0, i32 1
store i64 %6, ptr %10, align 4
%11 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %8, align 8
%12 = add i64 %7, 1
%13 = icmp slt i64 %12, %1
br i1 %13, label %_llgo_2, label %_llgo_3
_llgo_2: ; preds = %_llgo_1
%10 = call ptr @"github.com/goplus/llgo/internal/runtime.SliceData"(%"github.com/goplus/llgo/internal/runtime.Slice" %0)
%11 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %10, i64 %8
%12 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %11, align 8
%13 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(void <badref>, %"github.com/goplus/llgo/internal/runtime.String" %12)
%14 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %13, 0
%15 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %13, 1
%14 = call ptr @"github.com/goplus/llgo/internal/runtime.SliceData"(%"github.com/goplus/llgo/internal/runtime.Slice" %0)
%15 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %14, i64 %12
%16 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %15, align 8
%17 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.String" %11, %"github.com/goplus/llgo/internal/runtime.String" %16)
%18 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %17, 0
%19 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %17, 1
br label %_llgo_1
_llgo_3: ; preds = %_llgo_1
ret void <badref>
ret %"github.com/goplus/llgo/internal/runtime.String" %11
}
define void @main.init() {
@@ -86,7 +89,7 @@ declare i64 @"github.com/goplus/llgo/internal/runtime.SliceLen"(%"github.com/gop
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.StringCat"(%"github.com/goplus/llgo/internal/runtime.String", %"github.com/goplus/llgo/internal/runtime.String")
declare %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.NewString"(ptr, i64)

87
internal/runtime/llgo_autogen.ll
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@@ -265,65 +265,38 @@ _llgo_0:
ret i64 %3
}
define %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.Slice" %0) {
define %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringCat"(%"github.com/goplus/llgo/internal/runtime.String" %0, %"github.com/goplus/llgo/internal/runtime.String" %1) {
_llgo_0:
%1 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
%2 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
%3 = 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
%4 = phi i64 [ 0, %_llgo_0 ], [ %13, %_llgo_2 ]
%5 = phi i64 [ -1, %_llgo_0 ], [ %6, %_llgo_2 ]
%6 = add i64 %5, 1
%7 = icmp slt i64 %6, %3
br i1 %7, label %_llgo_2, label %_llgo_3
_llgo_2: ; preds = %_llgo_1
%8 = call ptr @"github.com/goplus/llgo/internal/runtime.SliceData"(%"github.com/goplus/llgo/internal/runtime.Slice" %0)
%9 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %8, i64 %6
%10 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %9, align 8
store %"github.com/goplus/llgo/internal/runtime.String" %10, ptr %2, align 8
%11 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 1
%12 = load i64, ptr %11, align 4
%13 = add i64 %4, %12
br label %_llgo_1
_llgo_3: ; preds = %_llgo_1
%14 = call ptr @"github.com/goplus/llgo/internal/runtime.Alloc"(i64 %4)
%15 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %1, i32 0, i32 0
store ptr %14, ptr %15, align 8
%16 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %1, i32 0, i32 1
store i64 %4, ptr %16, align 4
%17 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
%18 = call i64 @"github.com/goplus/llgo/internal/runtime.SliceLen"(%"github.com/goplus/llgo/internal/runtime.Slice" %0)
br label %_llgo_4
_llgo_4: ; preds = %_llgo_5, %_llgo_3
%19 = phi ptr [ %14, %_llgo_3 ], [ %33, %_llgo_5 ]
%20 = phi i64 [ -1, %_llgo_3 ], [ %21, %_llgo_5 ]
%21 = add i64 %20, 1
%22 = icmp slt i64 %21, %18
br i1 %22, label %_llgo_5, label %_llgo_6
_llgo_5: ; preds = %_llgo_4
%23 = call ptr @"github.com/goplus/llgo/internal/runtime.SliceData"(%"github.com/goplus/llgo/internal/runtime.Slice" %0)
%24 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %23, i64 %21
%25 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %24, align 8
store %"github.com/goplus/llgo/internal/runtime.String" %25, ptr %17, align 8
%26 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %17, i32 0, i32 0
%27 = load ptr, ptr %26, align 8
%28 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %17, i32 0, i32 1
%29 = load i64, ptr %28, align 4
%30 = call ptr @memcpy(ptr %19, ptr %27, i64 %29)
%31 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %17, i32 0, i32 1
%32 = load i64, ptr %31, align 4
%33 = getelementptr i8, ptr %19, i64 %32
br label %_llgo_4
_llgo_6: ; preds = %_llgo_4
%34 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %1, align 8
ret %"github.com/goplus/llgo/internal/runtime.String" %34
store %"github.com/goplus/llgo/internal/runtime.String" %0, ptr %2, align 8
%3 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
store %"github.com/goplus/llgo/internal/runtime.String" %1, ptr %3, align 8
%4 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 1
%5 = load i64, ptr %4, align 4
%6 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %3, i32 0, i32 1
%7 = load i64, ptr %6, align 4
%8 = add i64 %5, %7
%9 = call ptr @"github.com/goplus/llgo/internal/runtime.Alloc"(i64 %8)
%10 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 0
%11 = load ptr, ptr %10, align 8
%12 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 1
%13 = load i64, ptr %12, align 4
%14 = call ptr @memcpy(ptr %9, ptr %11, i64 %13)
%15 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 1
%16 = load i64, ptr %15, align 4
%17 = getelementptr i8, ptr %9, i64 %16
%18 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %3, i32 0, i32 0
%19 = load ptr, ptr %18, align 8
%20 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %3, i32 0, i32 1
%21 = load i64, ptr %20, align 4
%22 = call ptr @memcpy(ptr %17, ptr %19, i64 %21)
%23 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
%24 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %23, i32 0, i32 0
%25 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %23, i32 0, i32 1
store ptr %9, ptr %24, align 8
store i64 %8, ptr %25, align 4
%26 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %23, align 8
ret %"github.com/goplus/llgo/internal/runtime.String" %26
}
define ptr @"github.com/goplus/llgo/internal/runtime.StringData"(%"github.com/goplus/llgo/internal/runtime.String" %0) {

19
internal/runtime/z_string.go
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@@ -55,20 +55,13 @@ func StringData(s String) unsafe.Pointer {
return s.data
}
// StringCat concatenates strings.
func StringCat(args ...String) (ret String) {
n := 0
for _, v := range args {
n += v.len
}
// StringCat concatenates two strings.
func StringCat(a, b String) String {
n := a.len + b.len
dest := Alloc(uintptr(n))
ret.data = dest
ret.len = n
for _, v := range args {
c.Memcpy(dest, v.data, uintptr(v.len))
dest = c.Advance(dest, v.len)
}
return
c.Memcpy(dest, a.data, uintptr(a.len))
c.Memcpy(c.Advance(dest, a.len), b.data, uintptr(b.len))
return String{dest, n}
}
// -----------------------------------------------------------------------------

17
ssa/expr.go
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@@ -55,8 +55,7 @@ func (v Expr) Do(b Builder) Expr {
return vt.t.(delayExprTy)()
case vkPhisExpr:
e := vt.t.(*phisExprTy)
// TODO(xsw): to check CreateAggregateRet is correct or not
return Expr{b.impl.CreateAggregateRet(e.phis), e.Type}
return b.aggregateValue(e.Type, e.phis...)
}
return v
}
@@ -460,6 +459,20 @@ func (b Builder) Store(ptr, val Expr) Builder {
return b
}
// aggregateValue yields the value of the aggregate X with the fields
func (b Builder) aggregateValue(t Type, flds ...llvm.Value) Expr {
if debugInstr {
log.Printf("AggregateValue %v, %v\n", t, flds)
}
impl := b.impl
tll := t.ll
ptr := llvm.CreateAlloca(impl, tll)
for i, fld := range flds {
impl.CreateStore(fld, llvm.CreateStructGEP(impl, tll, ptr, i))
}
return Expr{llvm.CreateLoad(b.impl, tll, ptr), t}
}
// The FieldAddr instruction yields the address of Field of *struct X.
//
// The field is identified by its index within the field list of the