diff --git a/llvm/include/llvm/Analysis/VecFuncs.def b/llvm/include/llvm/Analysis/VecFuncs.def
index d785f040fc2d27..5d2900a858c913 100644
--- a/llvm/include/llvm/Analysis/VecFuncs.def
+++ b/llvm/include/llvm/Analysis/VecFuncs.def
@@ -590,11 +590,11 @@ TLI_DEFINE_VECFUNC("llvm.cos.f32", "_ZGVnN4v_cosf", FIXED(4), "_ZGV_LLVM_N4v")
 
 TLI_DEFINE_VECFUNC("coshf", "_ZGVnN4v_coshf", FIXED(4), "_ZGV_LLVM_N4v")
 
-TLI_DEFINE_VECFUNC("cospif", "_ZGVnN2v_cospif", FIXED(4), "_ZGV_LLVM_N4v")
+TLI_DEFINE_VECFUNC("cospif", "_ZGVnN4v_cospif", FIXED(4), "_ZGV_LLVM_N4v")
 
-TLI_DEFINE_VECFUNC("erff", "_ZGVnN2v_erff", FIXED(4), "_ZGV_LLVM_N4v")
+TLI_DEFINE_VECFUNC("erff", "_ZGVnN4v_erff", FIXED(4), "_ZGV_LLVM_N4v")
 
-TLI_DEFINE_VECFUNC("erfcf", "_ZGVnN2v_erfcf", FIXED(4), "_ZGV_LLVM_N4v")
+TLI_DEFINE_VECFUNC("erfcf", "_ZGVnN4v_erfcf", FIXED(4), "_ZGV_LLVM_N4v")
 
 TLI_DEFINE_VECFUNC("expf", "_ZGVnN4v_expf", FIXED(4), "_ZGV_LLVM_N4v")
 TLI_DEFINE_VECFUNC("llvm.exp.f32", "_ZGVnN4v_expf", FIXED(4), "_ZGV_LLVM_N4v")
diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/veclib-function-calls.ll b/llvm/test/Transforms/LoopVectorize/AArch64/veclib-function-calls.ll
index dd9a329c0d8891..85cf41bf15c775 100644
--- a/llvm/test/Transforms/LoopVectorize/AArch64/veclib-function-calls.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/veclib-function-calls.ll
@@ -855,7 +855,7 @@ define void @cospi_f64(ptr noalias %in.ptr, ptr noalias %out.ptr) {
 define void @cospi_f32(ptr noalias %in.ptr, ptr noalias %out.ptr) {
 ; SLEEF-NEON-LABEL: define void @cospi_f32
 ; SLEEF-NEON-SAME: (ptr noalias [[IN_PTR:%.*]], ptr noalias [[OUT_PTR:%.*]]) #[[ATTR0]] {
-; SLEEF-NEON:    [[TMP3:%.*]] = call <4 x float> @_ZGVnN2v_cospif(<4 x float> [[WIDE_LOAD:%.*]])
+; SLEEF-NEON:    [[TMP3:%.*]] = call <4 x float> @_ZGVnN4v_cospif(<4 x float> [[WIDE_LOAD:%.*]])
 ;
 ; SLEEF-SVE-LABEL: define void @cospi_f32
 ; SLEEF-SVE-SAME: (ptr noalias [[IN_PTR:%.*]], ptr noalias [[OUT_PTR:%.*]]) #[[ATTR0]] {
@@ -928,7 +928,7 @@ define void @erf_f64(ptr noalias %in.ptr, ptr noalias %out.ptr) {
 define void @erf_f32(ptr noalias %in.ptr, ptr noalias %out.ptr) {
 ; SLEEF-NEON-LABEL: define void @erf_f32
 ; SLEEF-NEON-SAME: (ptr noalias [[IN_PTR:%.*]], ptr noalias [[OUT_PTR:%.*]]) #[[ATTR0]] {
-; SLEEF-NEON:    [[TMP3:%.*]] = call <4 x float> @_ZGVnN2v_erff(<4 x float> [[WIDE_LOAD:%.*]])
+; SLEEF-NEON:    [[TMP3:%.*]] = call <4 x float> @_ZGVnN4v_erff(<4 x float> [[WIDE_LOAD:%.*]])
 ;
 ; SLEEF-SVE-LABEL: define void @erf_f32
 ; SLEEF-SVE-SAME: (ptr noalias [[IN_PTR:%.*]], ptr noalias [[OUT_PTR:%.*]]) #[[ATTR0]] {
@@ -1001,7 +1001,7 @@ define void @erfc_f64(ptr noalias %in.ptr, ptr noalias %out.ptr) {
 define void @erfc_f32(ptr noalias %in.ptr, ptr noalias %out.ptr) {
 ; SLEEF-NEON-LABEL: define void @erfc_f32
 ; SLEEF-NEON-SAME: (ptr noalias [[IN_PTR:%.*]], ptr noalias [[OUT_PTR:%.*]]) #[[ATTR0]] {
-; SLEEF-NEON:    [[TMP3:%.*]] = call <4 x float> @_ZGVnN2v_erfcf(<4 x float> [[WIDE_LOAD:%.*]])
+; SLEEF-NEON:    [[TMP3:%.*]] = call <4 x float> @_ZGVnN4v_erfcf(<4 x float> [[WIDE_LOAD:%.*]])
 ;
 ; SLEEF-SVE-LABEL: define void @erfc_f32
 ; SLEEF-SVE-SAME: (ptr noalias [[IN_PTR:%.*]], ptr noalias [[OUT_PTR:%.*]]) #[[ATTR0]] {