diff options
| author | Peter Collingbourne <peter@pcc.me.uk> | 2013-08-09 21:42:53 +0000 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2013-08-09 21:42:53 +0000 |
| commit | aaae6e9cb8c8567409739d7cde1c5caaf35810cf (patch) | |
| tree | 9b8ee6633384a23a5fa3520a9032a5b8d524dbd8 /test/Instrumentation | |
| parent | ea549f0e12f367f5d0996a4bca441e64801b1e6e (diff) | |
| download | external_llvm-aaae6e9cb8c8567409739d7cde1c5caaf35810cf.zip external_llvm-aaae6e9cb8c8567409739d7cde1c5caaf35810cf.tar.gz external_llvm-aaae6e9cb8c8567409739d7cde1c5caaf35810cf.tar.bz2 | |
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
Diffstat (limited to 'test/Instrumentation')
| -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 +} |