[llvm] [ExtendLifetimes] Implement llvm.fake.use to extend variable lifetimes (PR #86149)
Stephen Tozer via llvm-commits
llvm-commits at lists.llvm.org
Fri Mar 22 04:40:57 PDT 2024
================
@@ -1401,6 +1401,14 @@ def FAULTING_OP : StandardPseudoInstruction {
let isTerminator = true;
let isBranch = true;
}
+def FAKE_USE : StandardPseudoInstruction {
----------------
SLTozer wrote:
The only difference in the definition here is the `AsmString`, as with most of the `DBG_` classes which differ only in `AsmString` but are handled differently by MIR passes.
https://github.com/llvm/llvm-project/pull/86149
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