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Code Issues Packages Projects Releases 6 Wiki Activity

compiler: refactor function calling

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This commit is contained in:
Ayke van Laethem
2019-11-23 21:36:26 +01:00
committed by Ron Evans
parent d46934d1f1
commit d752e66be5
6 changed files with 198 additions and 192 deletions
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compiler/func.go
+10 -10
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@@ -71,22 +71,22 @@ func (b *builder) extractFuncScalar(funcValue llvm.Value) llvm.Value {
// extractFuncContext extracts the context pointer from this function value. It
// is a cheap operation.
func (c *Compiler) extractFuncContext(funcValue llvm.Value) llvm.Value {
return c.builder.CreateExtractValue(funcValue, 0, "")
func (b *builder) extractFuncContext(funcValue llvm.Value) llvm.Value {
return b.CreateExtractValue(funcValue, 0, "")
}
// decodeFuncValue extracts the context and the function pointer from this func
// value. This may be an expensive operation.
func (c *Compiler) decodeFuncValue(funcValue llvm.Value, sig *types.Signature) (funcPtr, context llvm.Value) {
context = c.builder.CreateExtractValue(funcValue, 0, "")
switch c.FuncImplementation() {
func (b *builder) decodeFuncValue(funcValue llvm.Value, sig *types.Signature) (funcPtr, context llvm.Value) {
context = b.CreateExtractValue(funcValue, 0, "")
switch b.FuncImplementation() {
case compileopts.FuncValueDoubleword:
funcPtr = c.builder.CreateExtractValue(funcValue, 1, "")
funcPtr = b.CreateExtractValue(funcValue, 1, "")
case compileopts.FuncValueSwitch:
llvmSig := c.getRawFuncType(sig)
sigGlobal := c.getTypeCode(sig)
funcPtr = c.createRuntimeCall("getFuncPtr", []llvm.Value{funcValue, sigGlobal}, "")
funcPtr = c.builder.CreateIntToPtr(funcPtr, llvmSig, "")
llvmSig := b.getRawFuncType(sig)
sigGlobal := b.getTypeCode(sig)
funcPtr = b.createRuntimeCall("getFuncPtr", []llvm.Value{funcValue, sigGlobal}, "")
funcPtr = b.CreateIntToPtr(funcPtr, llvmSig, "")
default:
panic("unimplemented func value variant")
}