splice-diagnostics.s
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// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve 2>&1 < %s| FileCheck %s
// ------------------------------------------------------------------------- //
// Tied operands must match
splice z0.b, p0, z1.b, z2.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: operand must match destination register
// CHECK-NEXT: splice z0.b, p0, z1.b, z2.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
// ------------------------------------------------------------------------- //
// Invalid element widths.
splice z0.b, p0, z0.b, z2.h
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
// CHECK-NEXT: splice z0.b, p0, z0.b, z2.h
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
// ------------------------------------------------------------------------- //
// Invalid predicate
splice z0.b, p8, z0.b, z1.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: splice z0.b, p8, z0.b, z1.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
splice z0.b, p7.b, z0.b, z1.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: splice z0.b, p7.b, z0.b, z1.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
splice z0.b, p7.q, z0.b, z1.b
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: splice z0.b, p7.q, z0.b, z1.b
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
// --------------------------------------------------------------------------//
// Negative tests for instructions that are incompatible with movprfx
movprfx z4.d, p7/z, z6.d
splice z4.d, p7, z4.d, z31.d
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction is unpredictable when following a predicated movprfx, suggest using unpredicated movprfx
// CHECK-NEXT: splice z4.d, p7, z4.d, z31.d
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: