================
@@ -1982,7 +1982,7 @@ unsigned tools::ParseFunctionAlignment(const ToolChain
&TC,
return 0;
if (A->getOption().matches(options::OPT_falign_functions))
- return 0;
+ return 4; // log2(16)
----------------
MaskRay wrote:
I agree that clangDriver should not hard code a value like 16.
The relevant code is at `llvm/lib/CodeGen/MachineFunction.cpp`
```cpp
// FIXME: Shouldn't use pref alignment if explicit alignment is set on F.
// FIXME: Use Function::hasOptSize().
if (!F.hasFnAttribute(Attribute::OptimizeForSize))
Alignment = std::max(Alignment,
STI->getTargetLowering()->getPrefFunctionAlignment());
```
https://github.com/llvm/llvm-project/pull/101257
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