diff --git a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
--- a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
+++ b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
@@ -513,10 +513,6 @@
     def : Pat<(Ty (AArch64fma_p PredTy:$P, (AArch64fneg_mt PredTy:$P, Ty:$Zn, (Ty (undef))), Ty:$Zm, (AArch64fneg_mt PredTy:$P, Ty:$Za, (Ty (undef))))),
               (!cast<Instruction>("FNMLA_ZPZZZ_UNDEF_"#Suffix) $P, ZPR:$Za, ZPR:$Zn, ZPR:$Zm)>;
 
-    // Zd = -(Za + Zn * Zm)
-    def : Pat<(AArch64fneg_mt PredTy:$P, (AArch64fma_p PredTy:$P, Ty:$Zn, Ty:$Zm, Ty:$Za), (Ty (undef))),
-              (!cast<Instruction>("FNMLA_ZPZZZ_UNDEF_"#Suffix) $P, ZPR:$Za, ZPR:$Zn, ZPR:$Zm)>;
-
     // Zda = Zda + Zn * Zm
     def : Pat<(vselect (PredTy PPR:$Pg), (Ty (AArch64fma_p (PredTy (AArch64ptrue 31)), ZPR:$Zn, ZPR:$Zm, ZPR:$Za)), ZPR:$Za),
               (!cast<Instruction>("FMLA_ZPmZZ_"#Suffix) PPR:$Pg, ZPR:$Za, ZPR:$Zn, ZPR:$Zm)>;
diff --git a/llvm/test/CodeGen/AArch64/sve-fp-combine.ll b/llvm/test/CodeGen/AArch64/sve-fp-combine.ll
--- a/llvm/test/CodeGen/AArch64/sve-fp-combine.ll
+++ b/llvm/test/CodeGen/AArch64/sve-fp-combine.ll
@@ -401,7 +401,8 @@
 ; CHECK-LABEL: fnmad_h:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.h
-; CHECK-NEXT:    fnmad z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fmad z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 8 x half> %m1
   %mul = fmul fast <vscale x 8 x half> %neg_m1, %m2
@@ -413,7 +414,8 @@
 ; CHECK-LABEL: fnmad_hx4:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.s
-; CHECK-NEXT:    fnmad z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fmad z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 4 x half> %m1
   %mul = fmul fast <vscale x 4 x half> %neg_m1, %m2
@@ -425,7 +427,8 @@
 ; CHECK-LABEL: fnmad_hx2:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    fnmad z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fmad z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 2 x half> %m1
   %mul = fmul fast <vscale x 2 x half> %neg_m1, %m2
@@ -437,7 +440,8 @@
 ; CHECK-LABEL: fnmad_s:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.s
-; CHECK-NEXT:    fnmad z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fmad z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fneg z0.s, p0/m, z0.s
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 4 x float> %m1
   %mul = fmul fast <vscale x 4 x float> %neg_m1, %m2
@@ -449,7 +453,8 @@
 ; CHECK-LABEL: fnmad_sx2:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    fnmad z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fmad z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fneg z0.s, p0/m, z0.s
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 2 x float> %m1
   %mul = fmul fast <vscale x 2 x float> %neg_m1, %m2
@@ -461,7 +466,8 @@
 ; CHECK-LABEL: fnmad_d:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    fnmad z0.d, p0/m, z1.d, z2.d
+; CHECK-NEXT:    fmad z0.d, p0/m, z1.d, z2.d
+; CHECK-NEXT:    fneg z0.d, p0/m, z0.d
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 2 x double> %m1
   %mul = fmul fast <vscale x 2 x double> %neg_m1, %m2
@@ -473,7 +479,8 @@
 ; CHECK-LABEL: fnmla_h:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.h
-; CHECK-NEXT:    fnmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 8 x half> %m1
   %mul = fmul fast <vscale x 8 x half> %neg_m1, %m2
@@ -485,7 +492,8 @@
 ; CHECK-LABEL: fnmla_hx4:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.s
-; CHECK-NEXT:    fnmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 4 x half> %m1
   %mul = fmul fast <vscale x 4 x half> %neg_m1, %m2
@@ -497,7 +505,8 @@
 ; CHECK-LABEL: fnmla_hx2:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    fnmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 2 x half> %m1
   %mul = fmul fast <vscale x 2 x half> %neg_m1, %m2
@@ -509,7 +518,8 @@
 ; CHECK-LABEL: fnmla_s:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.s
-; CHECK-NEXT:    fnmla z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fmla z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fneg z0.s, p0/m, z0.s
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 4 x float> %m1
   %mul = fmul fast <vscale x 4 x float> %neg_m1, %m2
@@ -521,7 +531,8 @@
 ; CHECK-LABEL: fnmla_sx2:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    fnmla z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fmla z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fneg z0.s, p0/m, z0.s
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 2 x float> %m1
   %mul = fmul fast <vscale x 2 x float> %neg_m1, %m2
@@ -533,7 +544,8 @@
 ; CHECK-LABEL: fnmla_d:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    fnmla z0.d, p0/m, z1.d, z2.d
+; CHECK-NEXT:    fmla z0.d, p0/m, z1.d, z2.d
+; CHECK-NEXT:    fneg z0.d, p0/m, z0.d
 ; CHECK-NEXT:    ret
   %neg_m1 = fneg fast <vscale x 2 x double> %m1
   %mul = fmul fast <vscale x 2 x double> %neg_m1, %m2
@@ -545,7 +557,8 @@
 ; CHECK-LABEL: fnmla_h_reversed:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.h
-; CHECK-NEXT:    fnmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
 ; CHECK-NEXT:    ret
   %mul = fmul fast <vscale x 8 x half> %m1, %m2
   %add = fadd fast <vscale x 8 x half> %mul, %acc
@@ -557,7 +570,8 @@
 ; CHECK-LABEL: fnmla_hx4_reversed:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.s
-; CHECK-NEXT:    fnmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
 ; CHECK-NEXT:    ret
   %mul = fmul fast <vscale x 4 x half> %m1, %m2
   %add = fadd fast <vscale x 4 x half> %mul, %acc
@@ -569,7 +583,8 @@
 ; CHECK-LABEL: fnmla_hx2_reversed:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    fnmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fmla z0.h, p0/m, z1.h, z2.h
+; CHECK-NEXT:    fneg z0.h, p0/m, z0.h
 ; CHECK-NEXT:    ret
   %mul = fmul fast <vscale x 2 x half> %m1, %m2
   %add = fadd fast <vscale x 2 x half> %mul, %acc
@@ -581,7 +596,8 @@
 ; CHECK-LABEL: fnmla_s_reversed:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.s
-; CHECK-NEXT:    fnmla z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fmla z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fneg z0.s, p0/m, z0.s
 ; CHECK-NEXT:    ret
   %mul = fmul fast <vscale x 4 x float> %m1, %m2
   %add = fadd fast <vscale x 4 x float> %mul, %acc
@@ -593,7 +609,8 @@
 ; CHECK-LABEL: fnmla_sx2_reversed:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    fnmla z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fmla z0.s, p0/m, z1.s, z2.s
+; CHECK-NEXT:    fneg z0.s, p0/m, z0.s
 ; CHECK-NEXT:    ret
   %mul = fmul fast <vscale x 2 x float> %m1, %m2
   %add = fadd fast <vscale x 2 x float> %mul, %acc
@@ -605,7 +622,8 @@
 ; CHECK-LABEL: fnmla_d_reversed:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    fnmla z0.d, p0/m, z1.d, z2.d
+; CHECK-NEXT:    fmla z0.d, p0/m, z1.d, z2.d
+; CHECK-NEXT:    fneg z0.d, p0/m, z0.d
 ; CHECK-NEXT:    ret
   %mul = fmul fast <vscale x 2 x double> %m1, %m2
   %add = fadd fast <vscale x 2 x double> %mul, %acc