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// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve 2>&1 < %s| FileCheck %s
// --------------------------------------------------------------------------//
// No unpredicated form
rdffrs p0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: too few operands for instruction
// CHECK: rdffrs p0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
// --------------------------------------------------------------------------//
// Invalid element widths
rdffrs p0.h, p0/z
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
// CHECK: rdffrs p0.h, p0/z
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
rdffrs p0.s, p0/z
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
// CHECK: rdffrs p0.s, p0/z
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
rdffrs p0.d, p0/z
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
// CHECK: rdffrs p0.d, p0/z
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
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