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llvm: handle pointers in packed structs in more places

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Closes #12776
This commit is contained in:
Veikka Tuominen
2022-09-08 12:51:12 +03:00
parent 44b9a1d031
commit c7e45aebaf
3 changed files with 53 additions and 1 deletions
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11
src/codegen/llvm.zig
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@@ -9204,6 +9204,12 @@ pub const FuncGen = struct {
return self.builder.buildBitCast(truncated_int, elem_llvm_ty, "");
}
if (info.pointee_type.isPtrAtRuntime()) {
const same_size_int = self.context.intType(elem_bits);
const truncated_int = self.builder.buildTrunc(shifted_value, same_size_int, "");
return self.builder.buildIntToPtr(truncated_int, elem_llvm_ty, "");
}
return self.builder.buildTrunc(shifted_value, elem_llvm_ty, "");
}
@@ -9235,7 +9241,10 @@ pub const FuncGen = struct {
// Convert to equally-sized integer type in order to perform the bit
// operations on the value to store
const value_bits_type = self.context.intType(elem_bits);
const value_bits = self.builder.buildBitCast(elem, value_bits_type, "");
const value_bits = if (elem_ty.isPtrAtRuntime())
self.builder.buildPtrToInt(elem, value_bits_type, "")
else
self.builder.buildBitCast(elem, value_bits_type, "");
var mask_val = value_bits_type.constAllOnes();
mask_val = mask_val.constZExt(containing_int_ty);