[llvm] [LangRef] inline asm: the instructions are treated opaquely (PR #157080)
Ralf Jung via llvm-commits
llvm-commits at lists.llvm.org
Mon Sep 8 01:08:14 PDT 2025
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@@ -5229,6 +5229,11 @@ 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.
+LLVM will treat the actual instructions entirely opaquely (i.e. no optimizations
+will be performed based on the contents of the template string). Only the
+operand constraints are used to deduce what the expression may do during
+execution.
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RalfJung wrote:
Like this?
I can also remove the sentence entirely if you prefer that.
https://github.com/llvm/llvm-project/pull/157080
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