diff options
Diffstat (limited to 'src/llvm_backend_utility.cpp')
| -rw-r--r-- | src/llvm_backend_utility.cpp | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/src/llvm_backend_utility.cpp b/src/llvm_backend_utility.cpp index 1165476be..68c1e9d1e 100644 --- a/src/llvm_backend_utility.cpp +++ b/src/llvm_backend_utility.cpp @@ -1003,6 +1003,21 @@ gb_internal i32 lb_convert_struct_index(lbModule *m, Type *t, i32 index) { } gb_internal LLVMTypeRef lb_type_padding_filler(lbModule *m, i64 padding, i64 padding_align) { + MUTEX_GUARD(&m->pad_types_mutex); + if (padding % padding_align == 0) { + for (auto pd : m->pad_types) { + if (pd.padding == padding && pd.padding_align == padding_align) { + return pd.type; + } + } + } else { + for (auto pd : m->pad_types) { + if (pd.padding == padding && pd.padding_align == 1) { + return pd.type; + } + } + } + // NOTE(bill): limit to `[N x u64]` to prevent ABI issues padding_align = gb_clamp(padding_align, 1, 8); if (padding % padding_align == 0) { @@ -1016,13 +1031,19 @@ gb_internal LLVMTypeRef lb_type_padding_filler(lbModule *m, i64 padding, i64 pad } GB_ASSERT_MSG(elem != nullptr, "Invalid lb_type_padding_filler padding and padding_align: %lld", padding_align); + + LLVMTypeRef type = nullptr; if (len != 1) { - return llvm_array_type(elem, len); + type = llvm_array_type(elem, len); } else { - return elem; + type = elem; } + array_add(&m->pad_types, lbPadType{padding, padding_align, type}); + return type; } else { - return llvm_array_type(lb_type(m, t_u8), padding); + LLVMTypeRef type = llvm_array_type(lb_type(m, t_u8), padding); + array_add(&m->pad_types, lbPadType{padding, 1, type}); + return type; } } |