[AMDGPU] Fix typos in GCN-PROMOTE check prefix

Author: jayfoad

llvm/test/CodeGen/AMDGPU/vector-alloca-bitcast.ll

@@ -14,12 +14,12 @@ target datalayout = "A5"
 ; GCN-ALLOCA-COUNT-4: buffer_store_dword
 ; GCN-ALLOCA:         buffer_load_dword
 
-; GCN_PROMOTE: s_cmp_lg_u32 s{{[0-9]+}}, 2
 ; GCN-PROMOTE: s_cmp_eq_u32 s{{[0-9]+}}, 1
 ; GCN-PROMOTE: s_cselect_b64 [[CC1:[^,]+]], -1, 0
+; GCN-PROMOTE: s_cmp_lg_u32 s{{[0-9]+}}, 2
 ; GCN-PROMOTE: v_cndmask_b32_e{{32|64}} [[IND1:v[0-9]+]], 0, 1, [[CC1]]
 ; GCN-PROMOTE: s_cselect_b64 vcc, -1, 0
-; GCN_PROMOTE: s_cmp_lg_u32 s{{[0-9]+}}, 3
+; GCN-PROMOTE: s_cmp_lg_u32 s{{[0-9]+}}, 3
 ; GCN-PROMOTE: v_cndmask_b32_e{{32|64}} [[IND2:v[0-9]+]], 2, [[IND1]], vcc
 ; GCN-PROMOTE: s_cselect_b64 vcc, -1, 0
 ; GCN-PROMOTE: v_cndmask_b32_e{{32|64}} [[IND3:v[0-9]+]], 3, [[IND2]], vcc
@@ -294,10 +294,10 @@ entry:
 
 ; GCN-PROMOTE: s_cmp_eq_u32 s{{[0-9]+}}, 1
 ; GCN-PROMOTE: s_cselect_b64 [[CC1:[^,]+]], -1, 0
-; GCN_PROMOTE: s_cmp_lg_u32 s{{[0-9]+}}, 2
+; GCN-PROMOTE: s_cmp_lg_u32 s{{[0-9]+}}, 2
 ; GCN-PROMOTE: v_cndmask_b32_e{{32|64}} [[IND1:v[0-9]+]], 0, 1, [[CC1]]
 ; GCN-PROMOTE: s_cselect_b64 vcc, -1, 0
-; GCN_PROMOTE: s_cmp_lg_u32 s{{[0-9]+}}, 3
+; GCN-PROMOTE: s_cmp_lg_u32 s{{[0-9]+}}, 3
 ; GCN-PROMOTE: v_cndmask_b32_e{{32|64}} [[IND2:v[0-9]+]], 2, [[IND1]], vcc
 ; GCN-PROMOTE: s_cselect_b64 vcc, -1, 0
 ; GCN-PROMOTE: v_cndmask_b32_e{{32|64}} [[IND3:v[0-9]+]], 3, [[IND2]], vcc