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| author | Andrew Kelley <andrew@ziglang.org> | 2020-06-17 06:07:53 -0400 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2020-06-18 17:12:56 -0400 |
| commit | 46b57748a52c32b973903166d40c7ebee53d88c5 (patch) | |
| tree | c818d1a7fdd99bbc8eb38fae78ded8a7effffbd0 /src/codegen.cpp | |
| parent | 02f688d710312a43a56a3a24b769778a5aafc5da (diff) | |
| download | zig-46b57748a52c32b973903166d40c7ebee53d88c5.tar.gz zig-46b57748a52c32b973903166d40c7ebee53d88c5.zip | |
stage1: stop emitting memset to undefined when safety is off
Diffstat (limited to 'src/codegen.cpp')
| -rw-r--r-- | src/codegen.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/codegen.cpp b/src/codegen.cpp index 75d126eaf6..6c3fdddfb1 100644 --- a/src/codegen.cpp +++ b/src/codegen.cpp @@ -5583,8 +5583,12 @@ static LLVMValueRef ir_render_memset(CodeGen *g, IrExecutableGen *executable, Ir bool val_is_undef = value_is_all_undef(g, instruction->byte->value); LLVMValueRef fill_char; - if (val_is_undef && ir_want_runtime_safety_scope(g, instruction->base.base.scope)) { - fill_char = LLVMConstInt(LLVMInt8Type(), 0xaa, false); + if (val_is_undef) { + if (ir_want_runtime_safety_scope(g, instruction->base.base.scope)) { + fill_char = LLVMConstInt(LLVMInt8Type(), 0xaa, false); + } else { + return nullptr; + } } else { fill_char = ir_llvm_value(g, instruction->byte); } |