[llvm-branch-commits] [llvm] [AArch64][llvm] Armv9.7-A: Add support for SVE2p3 LUTI6 operations (PR #163164)

[Jonathan Thackray via llvm-branch-commits]

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@@ -0,0 +1,176 @@
+// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sme2p3 2>&1 < %s| FileCheck %s
+
+// --------------------------------------------------------------------------//
+// Invalid element width
+
+luti6 z0.h, zt0, z0
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+// CHECK-NEXT: luti6 z0.h, zt0, z0
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+luti6 z0.s, zt0, z0
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: luti6 z0.s, zt0, z0
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+luti6 z0.d, zt0, z0
+// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
+// CHECK-NEXT: luti6 z0.d, zt0, z0
+// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
+
+// --------------------------------------------------------------------------//
+// Negative tests for instructions that are incompatible with movprfx
+
+movprfx z0.h, p0/m, z7.h
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jthackray wrote:

@CarolineConcatto I've re-written the `luti6` to also use `z0` after the `movprfx` now.

https://github.com/llvm/llvm-project/pull/163164