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[CODEGEN] Fixed bug in pipelining pass and casting semantics analysis (#257)

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This commit is contained in:
Philippe Tillet
2021-09-01 20:58:47 -07:00
committed by GitHub
parent c0daffc625
commit 768e0ded28
2 changed files with 34 additions and 26 deletions
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6
lib/ir/dispatch.cc
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@@ -425,6 +425,8 @@ ir::value *dispatch::bitcast(ir::value *input, ir::type *dst_ty, ir::builder *bu
return input;
ir::type *src_sca_ty = src_ty->get_scalar_ty();
ir::type *dst_sca_ty = dst_ty->get_scalar_ty();
if(src_sca_ty->is_pointer_ty() || dst_sca_ty->is_pointer_ty())
return cast(input, dst_ty, builder);
// Bitcast
int src_bits = src_sca_ty->get_primitive_size_in_bits();
int dst_bits = dst_sca_ty->get_primitive_size_in_bits();
@@ -472,6 +474,10 @@ ir::value *dispatch::cast(ir::value *input, ir::type *dst_ty, ir::builder *build
else
return builder->create_si_to_fp(input, dst_ty);
}
if (src_sca_ty->is_pointer_ty() && !dst_sca_ty->is_pointer_ty())
return builder->create_cast(ir::PtrToInt, input, dst_ty);
if (!src_sca_ty->is_pointer_ty() && dst_sca_ty->is_pointer_ty())
return builder->create_cast(ir::IntToPtr, input, dst_ty);
// Ptr -> Ptr
if (src_sca_ty->is_pointer_ty() && dst_sca_ty->is_pointer_ty())
return builder->create_cast(ir::BitCast, input, dst_ty);