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| author | Peter Collingbourne <peter@pcc.me.uk> | 2013-08-14 20:51:38 +0000 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2013-08-14 20:51:38 +0000 |
| commit | ef8136dda15f6b57b8633cdcc0e2b78a944e2b5d (patch) | |
| tree | 6f8d9e9fa061ca425c5a86756e5a93eee3a20c3d /test/Instrumentation | |
| parent | 341c1a50adeadd848b2e73e9184d81331ee1cb92 (diff) | |
| download | external_llvm-ef8136dda15f6b57b8633cdcc0e2b78a944e2b5d.zip external_llvm-ef8136dda15f6b57b8633cdcc0e2b78a944e2b5d.tar.gz external_llvm-ef8136dda15f6b57b8633cdcc0e2b78a944e2b5d.tar.bz2 | |
DataFlowSanitizer: Instrumentation for memset.
Differential Revision: http://llvm-reviews.chandlerc.com/D1395
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188412 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation')
| -rw-r--r-- | test/Instrumentation/DataFlowSanitizer/memset.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Instrumentation/DataFlowSanitizer/memset.ll b/test/Instrumentation/DataFlowSanitizer/memset.ll new file mode 100644 index 0000000..2cc25db --- /dev/null +++ b/test/Instrumentation/DataFlowSanitizer/memset.ll @@ -0,0 +1,11 @@ +; RUN: opt < %s -dfsan -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" + +declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) + +define void @ms(i8* %p, i8 %v) { + ; CHECK-LABEL: @ms(i8*, i8, i16, i16) + ; CHECK: call void @__dfsan_set_label(i16 %3, i8* %0, i64 1) + call void @llvm.memset.p0i8.i64(i8* %p, i8 %v, i64 1, i32 1, i1 1) + ret void +} |