llvm/llvm/test/MC/AArch64/SVE/sxth-diagnostics.s

// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s

// Element size specifiers should match.
sxth z0.d, p0/m, z0.s
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
// CHECK-NEXT: sxth z0.d, p0/m, z0.s
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

// Missing predicate suffix
sxth z29.d, p7, z29.d
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
// CHECK-NEXT: sxth z29.d, p7, z29.d
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


// --------------------------------------------------------------------------//
// Unsupported element widths

sxth z0.b, p0/m, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
// CHECK-NEXT: sxth z0.b, p0/m, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

sxth z0.h, p0/m, z0.h
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
// CHECK-NEXT: sxth z0.h, p0/m, z0.h
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


// --------------------------------------------------------------------------//
// error: invalid restricted predicate register, expected p0..p7 (without element suffix)

sxth z0.s, p8/m, z0.s
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: sxth z0.s, p8/m, z0.s
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

sxth z0.d, p8/m, z0.d
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: sxth z0.d, p8/m, z0.d
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: