Fix typo in test.

Differential Revision: https://reviews.llvm.org/D76949
diff --git a/clang/test/CodeGen/builtins-ppc-fma.c b/clang/test/CodeGen/builtins-ppc-fma.c
index 3a628f7..e91b45b 100644
--- a/clang/test/CodeGen/builtins-ppc-fma.c
+++ b/clang/test/CodeGen/builtins-ppc-fma.c
@@ -24,7 +24,7 @@
   // CHECK: fneg <2 x double> [[RESULT]]
 
   vf = __builtin_vsx_xvmsubasp(vf, vf, vf);
-  // CHECK: [[RESULT:%[^ ]+]] fneg <4 x float> %{{.*}}
+  // CHECK: [[RESULT:%[^ ]+]] = fneg <4 x float> %{{.*}}
   // CHECK: @llvm.fma.v4f32(<4 x float> %{{.*}}, <4 x float> %{{.*}}, <4 x float> [[RESULT]])
 
   vd = __builtin_vsx_xvmsubadp(vd, vd, vd);