[llvm] Adding support in llvm-exegesis for Aarch64 for handling FPR64/128, PPR16 and ZPR128 reg class. (PR #127564)

[Sjoerd Meijer via llvm-commits]

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@@ -2,22 +2,30 @@
 
 # ppr register class initialization testcase 
 # ideally we should use PTRUE_{B/H?S/D} instead of FADDV_VPZ_D for isolated testcase; but exegesis does not support PTRUE_{B/H?S/D} yet;
-# RUN: llvm-exegesis -mcpu=neoverse-v2 -mode=latency -opcode-name=FADDV_VPZ_D 2>&1 | FileCheck %s --check-prefix=PPR
+# RUN: llvm-exegesis -mcpu=neoverse-v2 -mode=latency --dump-object-to-disk=FADDV_VPZ_D.o --opcode-name=FADDV_VPZ_D 2>&1 | FileCheck %s --check-prefix=PPR
+# RUN: llvm-objdump -d FADDV_VPZ_D.o | FileCheck %s --check-prefix=PPR_ASM
 # PPR-NOT: setRegTo is not implemented, results will be unreliable
 # PPR: assembled_snippet: {{.*}}C0035FD6
+# PPR_ASM: {{0|4}}:	{{.*}} ptrue p{{[0-9]|1[0-5]}}
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sjoerdmeijer wrote:

You don't need to match the file offset, you can just match the `ptrue` and probably simplify the regexp, something like this:

         ptrue p{{[0-9]+}}

https://github.com/llvm/llvm-project/pull/127564