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author | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
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committer | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
commit | ebe69fe11e48d322045d5949c83283927a0d790b (patch) | |
tree | c92f1907a6b8006628a4b01615f38264d29834ea /test/Instrumentation/AddressSanitizer/undecidable-dynamic-alloca-1.ll | |
parent | b7d2e72b02a4cb8034f32f8247a2558d2434e121 (diff) | |
download | external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.zip external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.gz external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.bz2 |
Update aosp/master LLVM for rebase to r230699.
Change-Id: I2b5be30509658cb8266be782de0ab24f9099f9b9
Diffstat (limited to 'test/Instrumentation/AddressSanitizer/undecidable-dynamic-alloca-1.ll')
-rw-r--r-- | test/Instrumentation/AddressSanitizer/undecidable-dynamic-alloca-1.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Instrumentation/AddressSanitizer/undecidable-dynamic-alloca-1.ll b/test/Instrumentation/AddressSanitizer/undecidable-dynamic-alloca-1.ll new file mode 100644 index 0000000..c67fb50 --- /dev/null +++ b/test/Instrumentation/AddressSanitizer/undecidable-dynamic-alloca-1.ll @@ -0,0 +1,23 @@ +; Test that undecidable dynamic allocas are skipped by ASan. + +; RUN: opt < %s -asan -asan-module -asan-instrument-allocas=1 -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" +target triple = "x86_64-unknown-linux-gnu" + +define void @g(i64 %n) sanitize_address { +entry: + %cmp = icmp sgt i64 %n, 100 + br i1 %cmp, label %do_alloca, label %done + +do_alloca: +; CHECK-NOT: store i32 -892679478 + %0 = alloca i8, i64 %n, align 1 + call void @f(i8* %0) + br label %done + +done: + ret void +} + +declare void @f(i8*) + |