1 files changed, 35 insertions, 0 deletions
diff --git a/llvm/test/MC/AArch64/SME2/bfmops-diagnostics.s b/llvm/test/MC/AArch64/SME2/bfmops-diagnostics.s
new file mode 100644
index 0000000..14c25de
--- /dev/null
+++ b/llvm/test/MC/AArch64/SME2/bfmops-diagnostics.s
@@ -0,0 +1,35 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sme2,+b16b16 2>&1 < %s | FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Invalid predicate register
+
+bfmops za1.h, p8/m, p5/m, z12.h, z11.h
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
+// CHECK-NEXT: bfmops za1.h, p8/m, p5/m, z12.h, z11.h
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+bfmops za1.h, p5/m, p8/m, z12.h, z11.h
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
+// CHECK-NEXT: bfmops za1.h, p5/m, p8/m, z12.h, z11.h
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+bfmops za1.h, p5.h, p5/m, z12.h, z11.h
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
+// CHECK-NEXT: bfmops za1.h, p5.h, p5/m, z12.h, z11.h
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// --------------------------------------------------------------------------//
+// Invalid matrix operand
+
+bfmops za2.h, p5/m, p5/m, z12.h, z11.h
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: bfmops za2.h, p5/m, p5/m, z12.h, z11.h
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// --------------------------------------------------------------------------//
+// Invalid register suffixes
+
+bfmops za1.h, p5/m, p5/m, z12.h, z11.b
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: bfmops za1.h, p5/m, p5/m, z12.h, z11.b
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: