[PATCH] D99866: [test, AArch64] Fix use of var defined in CHECK-NOT

Thomas Preud'homme via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 6 12:07:23 PDT 2021


thopre marked an inline comment as done.
thopre added inline comments.


================
Comment at: llvm/test/CodeGen/AArch64/speculation-hardening.ll:20
+; NOSLH-NOT:  mov {{x[0-9]+}}, sp
+; NOSLH-NOT:  and [[TMPREG:x[0-9]+]], [[TMPREG]], x16
+; NOSLH-NOT:  mov sp, {{x[0-9]+}}
----------------
aemerson wrote:
> What about TMPREG?
Using a variable defined on the same line works, it gets translated into a regex backreference. TMPREG will never be defined for use in later directive but FileCheck will check that `and (x[0-9]+), \1, x16` does not occur.


Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99866/new/

https://reviews.llvm.org/D99866



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