only forbid correctness-critical analyses from inspecting the template string

Author: RalfJung

llvm/docs/LangRef.rst

@@ -5229,13 +5229,13 @@ flag that indicates whether or not the inline asm expression has side effects,
 and a flag indicating whether the function containing the asm needs to align its
 stack conservatively.
 
-The compiler's understanding of the semantics of the expression comes only from
-the list of operand constraints and the flags -- not the contents of the
-template string. In particular, no optimizations or analyses will be performed
-based on the contents of that string. This ensures correct behavior if the
-assembly code emitted by this expression is altered later, e.g. via
-self-modifying code, as long as the code keeps upholding the requirements of the
-operand constraints and the flags.
+The compiler may not assume that the actual code executed at runtime matches the
+contents of the template string. Correctness-critical analyses must base their
+results only on the list of operand constraints and the flags -- not the
+contents of the template string. This ensures correct behavior if the assembly
+code emitted by this expression is altered later, e.g. via self-modifying code,
+as long as the code keeps upholding the requirements of the operand constraints
+and the flags.
 
 The template string supports argument substitution of the operands using "``$``"
 followed by a number, to indicate substitution of the given register/memory