================
@@ -0,0 +1,266 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve2p3 2>&1 < %s|
FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Invalid element width
+
+sqrshrn z10.s, { z0.s, z1.s }, #1
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: sqrshrn z10.s, { z0.s, z1.s }, #1
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+sqrshrn z10.d, { z0.d, z1.d }, #1
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: sqrshrn z10.d, { z0.d, z1.d }, #1
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// --------------------------------------------------------------------------//
+// Invalid operand for instruction
+
+sqrshrn z10.h, { z0.b, z1.b }, #1
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: sqrshrn z10.h, { z0.b, z1.b }, #1
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// --------------------------------------------------------------------------//
+// Intermediate out of range
+
+sqrshrn z10.b, { z0.h, z1.h }, #0
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: immediate must be an integer in range
[1, 8].
+// CHECK-NEXT: sqrshrn z10.b, { z0.h, z1.h }, #0
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+sqrshrn z10.b, { z0.h, z1.h }, #9
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: immediate must be an integer in range
[1, 8].
+// CHECK-NEXT: sqrshrn z10.b, { z0.h, z1.h }, #9
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// --------------------------------------------------------------------------//
+// Negative tests for instructions that are incompatible with movprfx
+
+movprfx z0, z7
----------------
CarolineConcatto wrote:
Can we change this to be like this:
movprfx z0, z7
sqrshrn z0.b, { z2.h, z3.h }, #1
https://github.com/llvm/llvm-project/pull/163163
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