[CodeGen] Pre-commit tests showing incorrect pattern FMLA_* pseudo instructions

Differential Revision: https://reviews.llvm.org/D157094

Author: igogo-x86

llvm/test/CodeGen/AArch64/sve-fp-combine.ll

@@ -1267,3 +1267,37 @@ define <vscale x 4 x float> @fadd_sel_fmul_no_contract_s(<vscale x 4 x float> %a
   %fadd = fadd nsz <vscale x 4 x float> %a, %sel
   ret <vscale x 4 x float> %fadd
 }
+
+define <vscale x 8 x half> @fma_sel_h_different_arg_order(<vscale x 8 x i1> %pred, <vscale x 8 x half> %m1, <vscale x 8 x half> %m2, <vscale x 8 x half> %acc) {
+; CHECK-LABEL: fma_sel_h_different_arg_order:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    fmad z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    ret
+  %mul.add = call <vscale x 8 x half> @llvm.fma.nxv8f16(<vscale x 8 x half> %m1, <vscale x 8 x half> %m2, <vscale x 8 x half> %acc)
+  %masked.mul.add = select <vscale x 8 x i1> %pred, <vscale x 8 x half> %mul.add, <vscale x 8 x half> %acc
+  ret <vscale x 8 x half> %masked.mul.add
+}
+
+define <vscale x 4 x float> @fma_sel_s_different_arg_order(<vscale x 4 x i1> %pred, <vscale x 4 x float> %m1, <vscale x 4 x float> %m2, <vscale x 4 x float> %acc) {
+; CHECK-LABEL: fma_sel_s_different_arg_order:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    fmad z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    ret
+  %mul.add = call <vscale x 4 x float> @llvm.fma.nxv4f32(<vscale x 4 x float> %m1, <vscale x 4 x float> %m2, <vscale x 4 x float> %acc)
+  %masked.mul.add = select <vscale x 4 x i1> %pred, <vscale x 4 x float> %mul.add, <vscale x 4 x float> %acc
+  ret <vscale x 4 x float> %masked.mul.add
+}
+
+define <vscale x 2 x double> @fma_sel_d_different_arg_order(<vscale x 2 x i1> %pred, <vscale x 2 x double> %m1, <vscale x 2 x double> %m2, <vscale x 2 x double> %acc) {
+; CHECK-LABEL: fma_sel_d_different_arg_order:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    fmad z0.d, p0/m, z1.d, z2.d
+; CHECK-NEXT:    ret
+  %mul.add = call <vscale x 2 x double> @llvm.fma.nxv2f64(<vscale x 2 x double> %m1, <vscale x 2 x double> %m2, <vscale x 2 x double> %acc)
+  %masked.mul.add = select <vscale x 2 x i1> %pred, <vscale x 2 x double> %mul.add, <vscale x 2 x double> %acc
+  ret <vscale x 2 x double> %masked.mul.add
+}
+
+declare <vscale x 8 x half> @llvm.fma.nxv8f16(<vscale x 8 x half>, <vscale x 8 x half>, <vscale x 8 x half>)
+declare <vscale x 4 x float> @llvm.fma.nxv4f32(<vscale x 4 x float>, <vscale x 4 x float>, <vscale x 4 x float>)
+declare <vscale x 2 x double> @llvm.fma.nxv2f64(<vscale x 2 x double>, <vscale x 2 x double>, <vscale x 2 x double>)