Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98

external/llvm/test/MC/AArch64/SVE/zip2-diagnostics.s

@@ -0,0 +1,43 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
+
+// Invalid element kind.
+zip2 z6.h, z23.h, z31.x
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid sve vector kind qualifier
+// CHECK-NEXT: zip2 z6.h, z23.h, z31.x
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// Element size specifiers should match.
+zip2 z0.h, z30.h, z24.b
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
+// CHECK-NEXT: zip2 z0.h, z30.h, z24.b
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// Too few operands
+zip2 z1.h, z2.h
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: too few operands for instruction
+// CHECK-NEXT: zip2 z1.h, z2.h
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// z32 is not a valid SVE data register
+zip2 z1.s, z2.s, z32.s
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: zip2 z1.s, z2.s, z32.s
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// p16 is not a valid SVE predicate register
+zip2 p1.s, p2.s, p16.s
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
+// CHECK-NEXT: zip2 p1.s, p2.s, p16.s
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// Combining data and predicate registers as operands
+zip2 z1.s, z2.s, p3.s
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: zip2 z1.s, z2.s, p3.s
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// Combining predicate and data registers as operands
+zip2 p1.s, p2.s, z3.s
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
+// CHECK-NEXT: zip2 p1.s, p2.s, z3.s
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: