45 lines
1.4 KiB
Go
45 lines
1.4 KiB
Go
//===- call.go - IR generation for calls ----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements IR generation for calls.
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//
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//===----------------------------------------------------------------------===//
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package irgen
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import (
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"llvm.org/llgo/third_party/gotools/go/types"
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"llvm.org/llvm/bindings/go/llvm"
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)
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// createCall emits the code for a function call,
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// taking into account receivers, and panic/defer.
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func (fr *frame) createCall(fn *govalue, chain llvm.Value, argValues []*govalue) []*govalue {
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fntyp := fn.Type().Underlying().(*types.Signature)
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typinfo := fr.types.getSignatureInfo(fntyp)
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args := make([]llvm.Value, len(argValues))
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for i, arg := range argValues {
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args[i] = arg.value
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}
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var results []llvm.Value
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if fr.unwindBlock.IsNil() {
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results = typinfo.call(fr.types.ctx, fr.allocaBuilder, fr.builder, fn.value, chain, args)
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} else {
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contbb := llvm.AddBasicBlock(fr.function, "")
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results = typinfo.invoke(fr.types.ctx, fr.allocaBuilder, fr.builder, fn.value, chain, args, contbb, fr.unwindBlock)
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}
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resultValues := make([]*govalue, len(results))
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for i, res := range results {
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resultValues[i] = newValue(res, fntyp.Results().At(i).Type())
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}
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return resultValues
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}
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