DataFlowSanitizer: correctly combine labels in the case where they are equal.

[oota-llvm.git] / test / Instrumentation / DataFlowSanitizer / arith.ll

diff --git a/test/Instrumentation/DataFlowSanitizer/arith.ll b/test/Instrumentation/DataFlowSanitizer/arith.ll
index d75c396e141a72b0fc8751713e3df0e5ab372776..dc618963e8bb81955417d7bb6c1e9c00849c37bc 100644 (file)
--- a/test/Instrumentation/DataFlowSanitizer/arith.ll
+++ b/test/Instrumentation/DataFlowSanitizer/arith.ll
@@ -3,11 +3,12 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
 
 define i8 @add(i8 %a, i8 %b) {
   ; CHECK: @"dfs$add"
-  ; CHECK: load{{.*}}__dfsan_arg_tls
-  ; CHECK: load{{.*}}__dfsan_arg_tls
-  ; CHECK: call{{.*}}__dfsan_union
+  ; CHECK-DAG: %[[ALABEL:.*]] = load{{.*}}__dfsan_arg_tls, i64 0, i64 0
+  ; CHECK-DAG: %[[BLABEL:.*]] = load{{.*}}__dfsan_arg_tls, i64 0, i64 1
+  ; CHECK: %[[UNION:.*]] = call{{.*}}__dfsan_union(i16 zeroext %[[ALABEL]], i16 zeroext %[[BLABEL]])
+  ; CHECK: %[[ADDLABEL:.*]] = phi i16 [ %[[UNION]], {{.*}} ], [ %[[ALABEL]], {{.*}} ]
   ; CHECK: add i8
-  ; CHECK: store{{.*}}__dfsan_retval_tls
+  ; CHECK: store i16 %[[ADDLABEL]], i16* @__dfsan_retval_tls
   ; CHECK: ret i8
   %c = add i8 %a, %b
   ret i8 %c