1 files changed, 79 insertions, 0 deletions
diff --git a/test/MC/AArch64/SVE/clastb-diagnostics.s b/test/MC/AArch64/SVE/clastb-diagnostics.s
new file mode 100644
index 000000000000..62f696458c3e
--- /dev/null
+++ b/test/MC/AArch64/SVE/clastb-diagnostics.s
@@ -0,0 +1,79 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+
+// ------------------------------------------------------------------------- //
+// Invalid predicate
+
+clastb   w0, p8, w0, z31.b
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: restricted predicate has range [0, 7].
+// CHECK-NEXT: clastb   w0, p8, w0, z31.b
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+
+// ------------------------------------------------------------------------- //
+// Invalid element width
+
+clastb   w0, p7, x0, z31.b
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: clastb   w0, p7, x0, z31.b
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   x0, p7, x0, z31.b
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   x0, p7, x0, z31.b
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   x0, p7, x0, z31.h
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   x0, p7, x0, z31.h
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   x0, p7, x0, z31.s
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   x0, p7, x0, z31.s
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   w0, p7, w0, z31.d
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   w0, p7, w0, z31.d
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   b0, p7, b0, z31.h
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   b0, p7, b0, z31.h
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   h0, p7, h0, z31.s
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   h0, p7, h0, z31.s
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   s0, p7, s0, z31.d
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   s0, p7, s0, z31.d
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   d0, p7, d0, z31.b
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   d0, p7, d0, z31.b
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   z0.b, p7, z0.b, z31.h
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   z0.b, p7, z0.b, z31.h
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   z0.h, p7, z0.h, z31.s
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   z0.h, p7, z0.h, z31.s
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   z0.s, p7, z0.s, z31.d
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   z0.s, p7, z0.s, z31.d
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+clastb   z0.d, p7, z0.d, z31.b
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: clastb   z0.d, p7, z0.d, z31.b
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: