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Diffstat (limited to 'test/Instrumentation/AddressSanitizer/instrument-dynamic-allocas.ll')
| -rw-r--r-- | test/Instrumentation/AddressSanitizer/instrument-dynamic-allocas.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/Instrumentation/AddressSanitizer/instrument-dynamic-allocas.ll b/test/Instrumentation/AddressSanitizer/instrument-dynamic-allocas.ll new file mode 100644 index 0000000..25807bb --- /dev/null +++ b/test/Instrumentation/AddressSanitizer/instrument-dynamic-allocas.ll @@ -0,0 +1,24 @@ +; Test asan internal compiler flags: +; -asan-instrument-allocas=1 + +; RUN: opt < %s -asan -asan-module -asan-instrument-allocas=1 -S | FileCheck %s --check-prefix=CHECK-ALLOCA +; RUN: opt < %s -asan -asan-module -asan-instrument-allocas=0 -S | FileCheck %s --check-prefix=CHECK-NOALLOCA +; RUN: opt < %s -asan -asan-module -S | FileCheck %s --check-prefix=CHECK-NOALLOCA +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 @foo(i32 %len) sanitize_address { +entry: +; CHECK-ALLOCA: store i32 -892679478 +; CHECK-ALLOCA: store i32 -875836469 +; CHECK-NOALLOCA-NOT: store i32 -892679478 +; CHECK-NOALLOCA-NOT: store i32 -875836469 + %0 = alloca i32, align 4 + %1 = alloca i8* + store i32 %len, i32* %0, align 4 + %2 = load i32* %0, align 4 + %3 = zext i32 %2 to i64 + %4 = alloca i8, i64 %3, align 32 + ret void +} + |