[clang][test] Avoid UB in overload.cl

Author: aeubanks

clang/test/CodeGenOpenCL/overload.cl

@@ -14,34 +14,34 @@ void __attribute__((overloadable)) bar(generic int *generic *a, generic int *gen
 
 // Checking address space resolution
 void kernel test1() {
-  global int *a;
-  global int *b;
-  generic int *c;
-  local int *d;
-  generic int *generic *gengen;
-  generic int *local *genloc;
-  generic int *global *genglob;
-  // CHECK-DAG: call spir_func void @_Z3fooPU3AS1iS0_(i32 addrspace(1)* noundef undef, i32 addrspace(1)* noundef undef)
+  global int *a = 0;
+  global int *b = 0;
+  generic int *c = 0;
+  local int *d = 0;
+  generic int *generic *gengen = 0;
+  generic int *local *genloc = 0;
+  generic int *global *genglob = 0;
+  // CHECK-DAG: call spir_func void @_Z3fooPU3AS1iS0_(i32 addrspace(1)* noundef {{.*}}, i32 addrspace(1)* noundef {{.*}})
   foo(a, b);
-  // CHECK-DAG: call spir_func void @_Z3fooPU3AS4iS0_(i32 addrspace(4)* noundef undef, i32 addrspace(4)* noundef undef)
+  // CHECK-DAG: call spir_func void @_Z3fooPU3AS4iS0_(i32 addrspace(4)* noundef {{.*}}, i32 addrspace(4)* noundef {{.*}})
   foo(b, c);
-  // CHECK-DAG: call spir_func void @_Z3fooPU3AS4iS0_(i32 addrspace(4)* noundef undef, i32 addrspace(4)* noundef undef)
+  // CHECK-DAG: call spir_func void @_Z3fooPU3AS4iS0_(i32 addrspace(4)* noundef {{.*}}, i32 addrspace(4)* noundef {{.*}})
   foo(a, d);
 
-  // CHECK-DAG: call spir_func void @_Z3barPU3AS4PU3AS4iS2_(i32 addrspace(4)* addrspace(4)* noundef undef, i32 addrspace(4)* addrspace(4)* noundef undef)
+  // CHECK-DAG: call spir_func void @_Z3barPU3AS4PU3AS4iS2_(i32 addrspace(4)* addrspace(4)* noundef {{.*}}, i32 addrspace(4)* addrspace(4)* noundef {{.*}})
   bar(gengen, genloc);
-  // CHECK-DAG: call spir_func void @_Z3barPU3AS4PU3AS4iS2_(i32 addrspace(4)* addrspace(4)* noundef undef, i32 addrspace(4)* addrspace(4)* noundef undef)
+  // CHECK-DAG: call spir_func void @_Z3barPU3AS4PU3AS4iS2_(i32 addrspace(4)* addrspace(4)* noundef {{.*}}, i32 addrspace(4)* addrspace(4)* noundef {{.*}})
   bar(gengen, genglob);
-  // CHECK-DAG: call spir_func void @_Z3barPU3AS1PU3AS4iS2_(i32 addrspace(4)* addrspace(1)* noundef undef, i32 addrspace(4)* addrspace(1)* noundef undef)
+  // CHECK-DAG: call spir_func void @_Z3barPU3AS1PU3AS4iS2_(i32 addrspace(4)* addrspace(1)* noundef {{.*}}, i32 addrspace(4)* addrspace(1)* noundef {{.*}})
   bar(genglob, genglob);
 }
 
 // Checking vector vs scalar resolution
 void kernel test2() {
   short4 e0=0;
 
-  // CHECK-DAG: call spir_func <4 x i16> @_Z5clampDv4_sss(<4 x i16> noundef zeroinitializer, i16 noundef signext 0, i16 noundef signext 255)
+  // CHECK-DAG: call spir_func <4 x i16> @_Z5clampDv4_sss(<4 x i16> noundef {{.*}}, i16 noundef signext 0, i16 noundef signext 255)
   clamp(e0, 0, 255);
-  // CHECK-DAG: call spir_func <4 x i16> @_Z5clampDv4_sS_S_(<4 x i16> noundef zeroinitializer, <4 x i16> noundef zeroinitializer, <4 x i16> noundef zeroinitializer)
+  // CHECK-DAG: call spir_func <4 x i16> @_Z5clampDv4_sS_S_(<4 x i16> noundef {{.*}}, <4 x i16> noundef {{.*}}, <4 x i16> noundef {{.*}})
   clamp(e0, e0, e0);
 }