func (ai *directArgInfo) decode(ctx llvm.Context, allocaBuilder llvm.Builder, builder llvm.Builder) llvm.Value {
var args []llvm.Value
fn := builder.GetInsertBlock().Parent()
for i, _ := range ai.argTypes {
args = append(args, fn.Param(ai.argOffset+i))
}
return directDecode(ctx, allocaBuilder, builder, ai.valType, args)
}
func (ri *indirectRetInfo) encode(ctx llvm.Context, allocaBuilder llvm.Builder, builder llvm.Builder, vals []llvm.Value) {
fn := builder.GetInsertBlock().Parent()
sretSlot := fn.Param(0)
if ri.numResults == 1 {
builder.CreateStore(vals[0], sretSlot)
} else {
for i, v := range vals {
builder.CreateStore(v, builder.CreateStructGEP(sretSlot, i, ""))
}
}
builder.CreateRetVoid()
}
// Declare creates an llvm.dbg.declare call for the specified function
// parameter or local variable.
func (d *DIBuilder) Declare(b llvm.Builder, v ssa.Value, llv llvm.Value, paramIndex int) {
tag := tagAutoVariable
if paramIndex >= 0 {
tag = tagArgVariable
}
var diFile llvm.Value
var line int
if file := d.fset.File(v.Pos()); file != nil {
line = file.Line(v.Pos())
diFile = d.getFile(file)
}
localVar := d.builder.CreateLocalVariable(d.scope(), llvm.DILocalVariable{
Tag: tag,
Name: llv.Name(),
File: diFile,
Line: line,
ArgNo: paramIndex + 1,
Type: d.DIType(v.Type()),
})
expr := d.builder.CreateExpression(nil)
d.builder.InsertDeclareAtEnd(llv, localVar, expr, b.GetInsertBlock())
}
func (ai *indirectArgInfo) decode(ctx llvm.Context, allocaBuilder llvm.Builder, builder llvm.Builder) llvm.Value {
fn := builder.GetInsertBlock().Parent()
return builder.CreateLoad(fn.Param(ai.argOffset), "")
}