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| author | Andrew Kelley <andrew@ziglang.org> | 2020-03-17 23:32:03 -0400 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2020-03-19 09:53:55 -0400 |
| commit | 72a261b4d35b4f720e189150eb5e73e0fa52ae35 (patch) | |
| tree | 99cdde55c436f2e443cfdd00ad7c808556b3a733 /src/codegen.cpp | |
| parent | 4435b05b6b007df9159058fb5ae6f8902eecd1d8 (diff) | |
| download | zig-72a261b4d35b4f720e189150eb5e73e0fa52ae35.tar.gz zig-72a261b4d35b4f720e189150eb5e73e0fa52ae35.zip | |
fix runtime slice of pointer not setting length
Diffstat (limited to 'src/codegen.cpp')
| -rw-r--r-- | src/codegen.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/codegen.cpp b/src/codegen.cpp index 14fb6dc8b3..21e74ba609 100644 --- a/src/codegen.cpp +++ b/src/codegen.cpp @@ -5530,9 +5530,16 @@ static LLVMValueRef ir_render_slice(CodeGen *g, IrExecutableGen *executable, IrI } LLVMValueRef tmp_struct_ptr = ir_llvm_value(g, instruction->result_loc); + size_t gen_ptr_index = result_type->data.structure.fields[slice_ptr_index]->gen_index; LLVMValueRef ptr_field_ptr = LLVMBuildStructGEP(g->builder, tmp_struct_ptr, gen_ptr_index, ""); gen_store_untyped(g, slice_start_ptr, ptr_field_ptr, 0, false); + + size_t gen_len_index = result_type->data.structure.fields[slice_len_index]->gen_index; + LLVMValueRef len_field_ptr = LLVMBuildStructGEP(g->builder, tmp_struct_ptr, gen_len_index, ""); + LLVMValueRef len_value = LLVMBuildNSWSub(g->builder, end_val, start_val, ""); + gen_store_untyped(g, len_value, len_field_ptr, 0, false); + return tmp_struct_ptr; } else if (array_type->id == ZigTypeIdStruct) { |