[TEST] Fix incorrect CHECK lines (#3960)

`CHECK` doesn't follow by `:` is treated as just a comment.

Signed-off-by: Whitney Tsang <[email protected]>

Author: whitneywhtsang

test/Conversion/intel/tritongpu_to_gen_dot.mlir

@@ -77,15 +77,15 @@ module attributes {"ttg.num-ctas" = 1 : i32, "ttg.num-warps" = 1 : i32} {
   // CHECK-SAME:    %[[C:.*]]: !llvm.struct<(f32, f32, f32, f32, f32, f32, f32, f32)>) attributes {intel_reqd_sub_group_size = 32 : i32, triton_gen.max_work_group_size = array<i32: 32, 1, 1>} {
   tt.func @dot_f32_tf32_tf32_f32_1(%a: tensor<8x8xf32, #dot_operand_a>, %b: tensor<8x16xf32, #dot_operand_b>, %c: tensor<8x16xf32, #dpas>) {
     // COM: To simplify, only check RTNE and its usage for the last element of A, B, C
-    // CHECK %[[A_LAST_VAL:.*]] = llvm.extractvalue %[[A]][3]
-    // CHECK %[[A_RTNE_VAL:.*]] = llvm.call spir_funccc @_Z25__spirv_RoundFToTF32INTELf(%[[A_LAST_VAL]])
-    // CHECK %[[A_0:.*]] = llvm.insertelement %[[A_RTNE_VAL]], %{{.*}}{{\[}}%{{.*}} : i32] : vector<4xf32>
-    // CHECK %[[B_LAST_VAL:.*]] = llvm.extractvalue %[[B]][7]
-    // CHECK %[[B_RTNE_VAL:.*]] = llvm.call spir_funccc @_Z25__spirv_RoundFToTF32INTELf(%[[B_LAST_VAL]])
-    // CHECK %[[B_0:.*]] = llvm.insertelement %[[B_RTNE_VAL]], %{{.*}}{{\[}}%{{.*}} : i32] : vector<8xf32>
-    // CHECK %[[C_LAST_VAL:.*]] = llvm.extractvalue %[[C]][7]
-    // CHECK %[[C_0:.*]] = llvm.insertelement %[[C_LAST_VAL]], %{{.*}}{{\[}}%{{.*}} : i32] : vector<8xf32>
-    // CHECK : llvm.call spir_funccc @_Z39intel_sub_group_tf32_tf32_matrix_mad_k8Dv4_fDv8_fS0_(%[[A_0]], %[[B_0]], %[[C_0]]) {{.*}} : (vector<4xf32>, vector<8xf32>, vector<8xf32>) -> vector<8xf32>
+    // CHECK: %[[A_LAST_VAL:.*]] = llvm.extractvalue %[[A]][3]
+    // CHECK: %[[A_RTNE_VAL:.*]] = llvm.call spir_funccc @_Z25__spirv_RoundFToTF32INTELf(%[[A_LAST_VAL]])
+    // CHECK: %[[A_0:.*]] = llvm.insertelement %[[A_RTNE_VAL]], %{{.*}}{{\[}}%{{.*}} : i32] : vector<4xf32>
+    // CHECK: %[[B_LAST_VAL:.*]] = llvm.extractvalue %[[B]][7]
+    // CHECK: %[[B_RTNE_VAL:.*]] = llvm.call spir_funccc @_Z25__spirv_RoundFToTF32INTELf(%[[B_LAST_VAL]])
+    // CHECK: %[[B_0:.*]] = llvm.insertelement %[[B_RTNE_VAL]], %{{.*}}{{\[}}%{{.*}} : i32] : vector<8xf32>
+    // CHECK: %[[C_LAST_VAL:.*]] = llvm.extractvalue %[[C]][7]
+    // CHECK: %[[C_0:.*]] = llvm.insertelement %[[C_LAST_VAL]], %{{.*}}{{\[}}%{{.*}} : i32] : vector<8xf32>
+    // CHECK: llvm.call spir_funccc @_Z39intel_sub_group_tf32_tf32_matrix_mad_k8Dv4_fDv8_fS0_(%[[A_0]], %[[B_0]], %[[C_0]]) {{.*}} : (vector<4xf32>, vector<8xf32>, vector<8xf32>) -> vector<8xf32>
     %0 = tt.dot %a, %b, %c, inputPrecision = tf32 : tensor<8x8xf32, #dot_operand_a> * tensor<8x16xf32, #dot_operand_b> -> tensor<8x16xf32, #dpas>
     tt.return
   }