| Yury Gribov | 55441bb | 2014-11-21 10:29:50 +0000 | [diff] [blame^] | 1 | ; Test asan internal compiler flags: |
| 2 | ; -asan-instrument-allocas=1 |
| 3 | |
| 4 | ; RUN: opt < %s -asan -asan-module -asan-instrument-allocas=1 -S | FileCheck %s --check-prefix=CHECK-ALLOCA |
| 5 | ; RUN: opt < %s -asan -asan-module -asan-instrument-allocas=0 -S | FileCheck %s --check-prefix=CHECK-NOALLOCA |
| 6 | ; RUN: opt < %s -asan -asan-module -S | FileCheck %s --check-prefix=CHECK-NOALLOCA |
| 7 | 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" |
| 8 | target triple = "x86_64-unknown-linux-gnu" |
| 9 | |
| 10 | define void @foo(i32 %len) sanitize_address { |
| 11 | entry: |
| 12 | ; CHECK-ALLOCA: store i32 -892679478 |
| 13 | ; CHECK-ALLOCA: store i32 -875836469 |
| 14 | ; CHECK-NOALLOCA-NOT: store i32 -892679478 |
| 15 | ; CHECK-NOALLOCA-NOT: store i32 -875836469 |
| 16 | %0 = alloca i32, align 4 |
| 17 | %1 = alloca i8* |
| 18 | store i32 %len, i32* %0, align 4 |
| 19 | %2 = load i32* %0, align 4 |
| 20 | %3 = zext i32 %2 to i64 |
| 21 | %4 = alloca i8, i64 %3, align 32 |
| 22 | ret void |
| 23 | } |
| 24 | |