| ; Make sure we don't break the IR when moving non-instrumented allocas |
| |
| ; RUN: opt < %s -passes=asan -asan-use-stack-safety=1 -S | FileCheck %s |
| ; RUN: opt < %s -passes=asan -asan-use-stack-safety=1 -asan-instrument-dynamic-allocas -S | FileCheck %s |
| |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.10.0" |
| |
| define i32 @foo(i64 %i) sanitize_address { |
| entry: |
| %non_instrumented1 = alloca i32, align 4 |
| %t = load i32, ptr %non_instrumented1, align 4 |
| %instrumented = alloca [2 x i32], align 4 |
| %ai = getelementptr inbounds [2 x i32], ptr %instrumented, i64 0, i64 %i |
| store volatile i8 0, ptr %ai, align 4 |
| ret i32 %t |
| } |
| |
| ; CHECK: entry: |
| ; CHECK: %non_instrumented1 = alloca i32, align 4 |
| ; CHECK: load i32, ptr %non_instrumented1 |
| ; CHECK: load i32, ptr @__asan_option_detect_stack_use_after_return |
