[llvm] [llvm-mca] Abort on parse error without -skip-unsupported-instructions (PR #90474)

[Peter Waller via llvm-commits]

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@@ -0,0 +1,14 @@
+# RUN: not llvm-mca %s -o /dev/null 2>&1 | FileCheck --check-prefixes=CHECK-ALL,CHECK %s
+# RUN: not llvm-mca -skip-unsupported-instructions=none %s -o /dev/null 2>&1 | FileCheck --check-prefixes=CHECK-ALL,CHECK %s
+# RUN: not llvm-mca -skip-unsupported-instructions=lack-sched %s -o /dev/null 2>&1 | FileCheck --check-prefixes=CHECK-ALL,CHECK %s
+# RUN: not llvm-mca -skip-unsupported-instructions=parse-failure %s -o /dev/null 2>&1 | FileCheck --check-prefixes=CHECK-ALL,CHECK-SKIP %s
+# RUN: not llvm-mca -skip-unsupported-instructions=any %s -o /dev/null 2>&1 | FileCheck --check-prefixes=CHECK-ALL,CHECK-SKIP %s
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peterwaller-arm wrote:

Proposed fix committed as afc10fc9b7ce3d23d9012f5a1496e849fe873ba2 for now. I'll monitor the bots.


https://github.com/llvm/llvm-project/pull/90474