diff --git a/llvm/test/CodeGen/RISCV/rvv/fold-binary-reduce.ll b/llvm/test/CodeGen/RISCV/rvv/fold-binary-reduce.ll
--- a/llvm/test/CodeGen/RISCV/rvv/fold-binary-reduce.ll
+++ b/llvm/test/CodeGen/RISCV/rvv/fold-binary-reduce.ll
@@ -252,8 +252,9 @@
 ; CHECK-NEXT:    vfmv.f.s fa0, v8
 ; CHECK-NEXT:    ret
 entry:
-  %rdx = call fast float @llvm.vector.reduce.fadd.v4f32(float %x, <4 x float> %v)
-  ret float %rdx
+  %rdx = call fast float @llvm.vector.reduce.fadd.v4f32(float 0.0, <4 x float> %v)
+  %res = fadd reassoc nsz float %rdx, %x
+  ret float %res
 }
 
 define float @reduce_fmax(float %x, <4 x float> %v) {