From aaae6e9cb8c8567409739d7cde1c5caaf35810cf Mon Sep 17 00:00:00 2001 From: Peter Collingbourne Date: Fri, 9 Aug 2013 21:42:53 +0000 Subject: DataFlowSanitizer: Remove unreachable BBs so IR continues to verify under the args ABI. Differential Revision: http://llvm-reviews.chandlerc.com/D1316 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188113 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../DataFlowSanitizer/args-unreachable-bb.ll | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll (limited to 'test/Instrumentation') diff --git a/test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll b/test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll new file mode 100644 index 0000000000..db3dd835d9 --- /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 +} -- cgit v1.2.3