diff options
Diffstat (limited to 'test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll')
-rw-r--r-- | test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll b/test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll new file mode 100644 index 0000000..db3dd83 --- /dev/null +++ b/test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll @@ -0,0 +1,20 @@ +; RUN: opt < %s -dfsan -verify -dfsan-args-abi -S | FileCheck %s +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" + +define i8 @unreachable_bb() { + ; CHECK: @unreachable_bb + ; CHECK: ret { i8, i16 } { i8 1, i16 0 } + ; CHECK-NOT: bb2: + ; CHECK-NOT: bb3: + ; CHECK-NOT: bb4: + ret i8 1 + +bb2: + ret i8 2 + +bb3: + br label %bb4 + +bb4: + br label %bb3 +} |