[PowerPC][NFC] Add test case to show CSR_64_AllRegs_AIX_Dflt_VSX is not correct

[tingwang]

Summary

Add pre-commit test case for CSR_64_AllRegs_AIX_Dflt_VSX fix.

[lkail]

llvm/test/CodeGen/PowerPC/aix64-patchpoint-regmask.ll

8

Please use another function to replace @llvm.experimental.patchpoint.void, since we don't support JIT on AIX yet.

[tingwang]

llvm/test/CodeGen/PowerPC/aix64-patchpoint-regmask.ll

8

I did not find any other logic path that could trigger CSR_64_AllRegs_AIX_Dflt_VSX. If this is the only case, then I may have to just leave it here as the functionality is not supported yet.

[amyk]

llvm/test/CodeGen/PowerPC/aix64-patchpoint-regmask.ll

1

Nit: I think this line maybe too long. Perhaps we can try separating this run line further.

4

Minor spelling typo.

[tingwang]

llvm/test/CodeGen/PowerPC/aix64-patchpoint-regmask.ll

1

Thank you Amy for looking into this. I'm afraid I have to suspend this patch since the functionality is not supported on AIX...

[tingwang]

Suspend this patch since the functionality is not supported on AIX.

llvm/test/CodeGen/PowerPC/aix64-patchpoint-regmask.ll

+; RUN: llc -O0 -verify-machineinstrs -mcpu=pwr9 -mtriple powerpc64-ibm-aix-xcoff -print-after=finalize-isel --print-regmask-num-regs=-1 < %s 2>&1 | \
+; RUN: FileCheck %s
+
+; Error regmask pattern should be fixed: v20:v31 should be reserved in AIX defalut ABI
+; CHECK: PATCHPOINT{{[^<]+}}<regmask {{[^>]+}} $v20 $v21 $v22 $v23 $v24 $v25 $v26 $v27 $v28 $v29 $v30 $v31 {{[^>]+}}>
+define void @test(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
+entry:
+  call anyregcc void (i64, i32, ptr, i32, ...) @llvm.experimental.patchpoint.void(i64 13, i32 40, ptr inttoptr (i64 0 to ptr), i32 2, i64 %p1, i64 %p2, i64 %p3, i64 %p4)
+  ret void
+}
+
+declare void @llvm.experimental.patchpoint.void(i64, i32, ptr, i32, ...)