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compiler: Handle nil array and struct constants

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This is necessary for tools 0.9.0, which started lifting those since
https://github.com/golang/tools/commit/71ea8f168c160da91116b4ddbd577a8fc95aa334
This commit is contained in:
Elliott Sales de Andrade
2023-08-28 04:19:19 -04:00
committed by Ron Evans
parent 43d282174f
commit bf73516259
1 changed files with 10 additions and 0 deletions
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compiler/compiler.go
+10
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@@ -3005,6 +3005,11 @@ func (c *compilerContext) createConst(expr *ssa.Const, pos token.Pos) llvm.Value
panic("expected nil pointer constant")
}
return llvm.ConstPointerNull(c.getLLVMType(typ))
case *types.Array:
if expr.Value != nil {
panic("expected nil array constant")
}
return llvm.ConstNull(c.getLLVMType(expr.Type()))
case *types.Slice:
if expr.Value != nil {
panic("expected nil slice constant")
@@ -3018,6 +3023,11 @@ func (c *compilerContext) createConst(expr *ssa.Const, pos token.Pos) llvm.Value
llvmLen, // cap
}, false)
return slice
case *types.Struct:
if expr.Value != nil {
panic("expected nil struct constant")
}
return llvm.ConstNull(c.getLLVMType(expr.Type()))
case *types.Map:
if !expr.IsNil() {
// I believe this is not allowed by the Go spec.