nmatch-diagnostics.s
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// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve2 2>&1 < %s| FileCheck %s
// --------------------------------------------------------------------------//
// Restricted predicate out of range.
nmatch p0.b, p8/z, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: nmatch p0.b, p8/z, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
// --------------------------------------------------------------------------//
// Invalid predicate operation
nmatch p0.b, p0/m, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
// CHECK-NEXT: nmatch p0.b, p0/m, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
// --------------------------------------------------------------------------//
// Invalid destination predicate register
nmatch p0.s, p0/z, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register.
// CHECK-NEXT: nmatch p0.s, p0/z, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
nmatch p0.d, p0/z, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register.
// CHECK-NEXT: nmatch p0.d, p0/z, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
// --------------------------------------------------------------------------//
// Invalid element width
nmatch p0.b, p0/z, z0.s, z0.s
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
// CHECK-NEXT: nmatch p0.b, p0/z, z0.s, z0.s
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
nmatch p0.b, p0/z, z0.d, z0.d
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
// CHECK-NEXT: nmatch p0.b, p0/z, z0.d, z0.d
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
// --------------------------------------------------------------------------//
// Negative tests for instructions that are incompatible with movprfx
movprfx z0.b, p0/z, z7.b
nmatch p0.b, p0/z, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction is unpredictable when following a movprfx, suggest replacing movprfx with mov
// CHECK-NEXT: nmatch p0.b, p0/z, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
movprfx z0, z7
nmatch p0.b, p0/z, z0.b, z0.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction is unpredictable when following a movprfx, suggest replacing movprfx with mov
// CHECK-NEXT: nmatch p0.b, p0/z, z0.b, z0.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: