fix bugs when clip xshape (#44898)

paddle/phi/ops/compat/einsum_sig.cc

@@ -17,14 +17,10 @@ limitations under the License. */
 namespace phi {
 
 KernelSignature EinsumOpArgumentMapping(const ArgumentMappingContext& ctx) {
-  if (ctx.OutputSize("XShape") > 0 && ctx.OutputSize("InnerCache") > 0) {
   return KernelSignature("einsum_raw",
                          {"Operands"},
                          {"equation"},
                          {"Out", "InnerCache", "XShape"});
-  } else {
-    return KernelSignature("einsum", {"Operands"}, {"equation"}, {"Out"});
-  }
 }
 
 KernelSignature EinsumGradOpArgumentMapping(const ArgumentMappingContext& ctx) {

paddle/phi/ops/compat/squeeze_sig.cc

@@ -18,12 +18,8 @@
 namespace phi {
 
 KernelSignature SqueezeOpArgumentMapping(const ArgumentMappingContext& ctx) {
-  if (ctx.HasOutput("XShape")) {
   return KernelSignature(
       "squeeze_with_xshape", {"X"}, {"axes"}, {"Out", "XShape"});
-  } else {
-    return KernelSignature("squeeze", {"X"}, {"axes"}, {"Out"});
-  }
 }
 
 KernelSignature SqueezeGradOpArgumentMapping(

paddle/phi/ops/compat/unsqueeze_sig.cc

@@ -18,13 +18,10 @@
 namespace phi {
 
 KernelSignature UnsqueezeOpArgumentMapping(const ArgumentMappingContext& ctx) {
-  if (ctx.HasOutput("XShape")) {
   if (ctx.InputSize("AxesTensorList") > 0) {
     VLOG(2) << "unsqueeze2 in AxesTensorList";
-      return KernelSignature("unsqueeze_with_xshape",
-                             {"X"},
-                             {"AxesTensorList"},
-                             {"Out", "XShape"});
+    return KernelSignature(
+        "unsqueeze_with_xshape", {"X"}, {"AxesTensorList"}, {"Out", "XShape"});
   } else if (ctx.InputSize("AxesTensor") > 0) {
     VLOG(2) << "unsqueeze2 in AxesTensor";
     return KernelSignature(
@@ -34,18 +31,6 @@ KernelSignature UnsqueezeOpArgumentMapping(const ArgumentMappingContext& ctx) {
     return KernelSignature(
         "unsqueeze_with_xshape", {"X"}, {"axes"}, {"Out", "XShape"});
   }
-  } else {
-    if (ctx.InputSize("AxesTensorList") > 0) {
-      VLOG(2) << "unsqueeze2 in AxesTensorList";
-      return KernelSignature("unsqueeze", {"X"}, {"AxesTensorList"}, {"Out"});
-    } else if (ctx.InputSize("AxesTensor") > 0) {
-      VLOG(2) << "unsqueeze2 in AxesTensor";
-      return KernelSignature("unsqueeze", {"X"}, {"AxesTensor"}, {"Out"});
-    } else {
-      VLOG(2) << "unsqueeze2 in axes";
-      return KernelSignature("unsqueeze", {"X"}, {"axes"}, {"Out"});
-    }
-  }
 }
 
 KernelSignature UnsqueezeGradOpArgumentMapping(