[compiler-rt] [llvm] [clang] [AArch64][SME] Add support for sme-fa64 (PR #70809)

[Sander de Smalen via cfe-commits]

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@@ -0,0 +1,26 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mattr=+sve -mattr=+sme-fa64 -force-streaming-compatible-sve < %s | FileCheck %s -check-prefix=FA64
+; RUN: llc -mattr=+sve -force-streaming-compatible-sve < %s | FileCheck %s -check-prefix=NO-FA64
+
+target triple = "aarch64-unknown-linux-gnu"
+
+define <8 x i8> @mla8xi8(<8 x i8> %A, <8 x i8> %B, <8 x i8> %C) {
+; FA64-LABEL: mla8xi8:
+; FA64:       // %bb.0:
+; FA64-NEXT:    mla v2.8b, v0.8b, v1.8b
+; FA64-NEXT:    fmov d0, d2
+; FA64-NEXT:    ret
+;
+; NO-FA64-LABEL: mla8xi8:
+; NO-FA64:       // %bb.0:
+; NO-FA64-NEXT:    ptrue p0.b, vl8
+; NO-FA64-NEXT:    // kill: def $d0 killed $d0 def $z0
+; NO-FA64-NEXT:    // kill: def $d2 killed $d2 def $z2
+; NO-FA64-NEXT:    // kill: def $d1 killed $d1 def $z1
+; NO-FA64-NEXT:    mad z0.b, p0/m, z1.b, z2.b
+; NO-FA64-NEXT:    // kill: def $d0 killed $d0 killed $z0
+; NO-FA64-NEXT:    ret
+	%tmp1 = mul <8 x i8> %A, %B;
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sdesmalen-arm wrote:

nit: odd indentation?

https://github.com/llvm/llvm-project/pull/70809