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| author | Kostya Serebryany <kcc@google.com> | 2013-01-24 10:35:40 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2013-01-24 10:35:40 +0000 |
| commit | 63f0846f1eb43332a08811d332b813276b727eb6 (patch) | |
| tree | c9b00cb3c0a81d9da11de91f6ab44113dcd76c91 /test/Instrumentation/AddressSanitizer | |
| parent | 6cf7a91d12fe208a41223daa4aa9c603c390e0ce (diff) | |
| download | external_llvm-63f0846f1eb43332a08811d332b813276b727eb6.zip external_llvm-63f0846f1eb43332a08811d332b813276b727eb6.tar.gz external_llvm-63f0846f1eb43332a08811d332b813276b727eb6.tar.bz2 | |
[asan] adaptive redzones for globals (the larger the global the larger is the redzone)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173335 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation/AddressSanitizer')
| -rw-r--r-- | test/Instrumentation/AddressSanitizer/adaptive_global_redzones.ll | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/Instrumentation/AddressSanitizer/adaptive_global_redzones.ll b/test/Instrumentation/AddressSanitizer/adaptive_global_redzones.ll new file mode 100644 index 0000000..6a60d1c --- /dev/null +++ b/test/Instrumentation/AddressSanitizer/adaptive_global_redzones.ll @@ -0,0 +1,57 @@ +; RUN: opt < %s -asan -asan-module -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" + +; Here we check that the global redzone sizes grow with the object size. + +@G10 = global [10 x i8] zeroinitializer, align 1 +; CHECK: @G10 = global { [10 x i8], [54 x i8] } + +@G31 = global [31 x i8] zeroinitializer, align 1 +@G32 = global [32 x i8] zeroinitializer, align 1 +@G33 = global [33 x i8] zeroinitializer, align 1 +; CHECK: @G31 = global { [31 x i8], [33 x i8] } +; CHECK: @G32 = global { [32 x i8], [32 x i8] } +; CHECK: @G33 = global { [33 x i8], [63 x i8] } + +@G63 = global [63 x i8] zeroinitializer, align 1 +@G64 = global [64 x i8] zeroinitializer, align 1 +@G65 = global [65 x i8] zeroinitializer, align 1 +; CHECK: @G63 = global { [63 x i8], [33 x i8] } +; CHECK: @G64 = global { [64 x i8], [32 x i8] } +; CHECK: @G65 = global { [65 x i8], [63 x i8] } + +@G127 = global [127 x i8] zeroinitializer, align 1 +@G128 = global [128 x i8] zeroinitializer, align 1 +@G129 = global [129 x i8] zeroinitializer, align 1 +; CHECK: @G127 = global { [127 x i8], [33 x i8] } +; CHECK: @G128 = global { [128 x i8], [32 x i8] } +; CHECK: @G129 = global { [129 x i8], [63 x i8] } + +@G255 = global [255 x i8] zeroinitializer, align 1 +@G256 = global [256 x i8] zeroinitializer, align 1 +@G257 = global [257 x i8] zeroinitializer, align 1 +; CHECK: @G255 = global { [255 x i8], [33 x i8] } +; CHECK: @G256 = global { [256 x i8], [64 x i8] } +; CHECK: @G257 = global { [257 x i8], [95 x i8] } + +@G511 = global [511 x i8] zeroinitializer, align 1 +@G512 = global [512 x i8] zeroinitializer, align 1 +@G513 = global [513 x i8] zeroinitializer, align 1 +; CHECK: @G511 = global { [511 x i8], [97 x i8] } +; CHECK: @G512 = global { [512 x i8], [128 x i8] } +; CHECK: @G513 = global { [513 x i8], [159 x i8] } + +@G1023 = global [1023 x i8] zeroinitializer, align 1 +@G1024 = global [1024 x i8] zeroinitializer, align 1 +@G1025 = global [1025 x i8] zeroinitializer, align 1 +; CHECK: @G1023 = global { [1023 x i8], [225 x i8] } +; CHECK: @G1024 = global { [1024 x i8], [256 x i8] } +; CHECK: @G1025 = global { [1025 x i8], [287 x i8] } + +@G1000000 = global [1000000 x i8] zeroinitializer, align 1 +@G10000000 = global [10000000 x i8] zeroinitializer, align 1 +@G100000000 = global [100000000 x i8] zeroinitializer, align 1 +; CHECK: @G1000000 = global { [1000000 x i8], [249984 x i8] } +; CHECK: @G10000000 = global { [10000000 x i8], [262144 x i8] } +; CHECK: @G100000000 = global { [100000000 x i8], [262144 x i8] } |