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transform: work around renamed return type after merging LLVM modules

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This fix is very similar to
https://github.com/tinygo-org/tinygo/pull/1768, but now for the return
type. It fixes the issue in
https://github.com/tinygo-org/tinygo/issues/1887.

Like #1768, I'm not sure how to test this as it is very specific to
certain renames that LLVM does and that don't seem very reproducable.
This commit is contained in:
Ayke van Laethem
2021-05-20 20:23:10 +02:00
committed by Ron Evans
parent 15d3f5f609
commit f99c600ad8
1 changed files with 1 additions and 1 deletions
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transform/interface-lowering.go
+1 -1
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@@ -532,7 +532,7 @@ func (p *lowerInterfacesPass) getInterfaceMethodFunc(itf *interfaceInfo, signatu
paramTypes = append(paramTypes, param.Type()) paramTypes = append(paramTypes, param.Type())
} }
calledFunctionType := function.Type() calledFunctionType := function.Type()
sig := llvm.PointerType(llvm.FunctionType(calledFunctionType.ElementType().ReturnType(), paramTypes, false), calledFunctionType.PointerAddressSpace()) sig := llvm.PointerType(llvm.FunctionType(returnType, paramTypes, false), calledFunctionType.PointerAddressSpace())
if sig != function.Type() { if sig != function.Type() {
function = p.builder.CreateBitCast(function, sig, "") function = p.builder.CreateBitCast(function, sig, "")
} }