| ; RUN: opt < %s -asan -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 i32 @read_4_bytes(i32* %a) sanitize_address { |
| entry: |
| %tmp1 = load i32* %a, align 4 |
| ret i32 %tmp1 |
| } |
| ; CHECK: @read_4_bytes |
| ; CHECK-NOT: ret |
| ; CHECK: lshr {{.*}} 3 |
| ; Check for ASAN's Offset for 64-bit (2^44 or 7fff8000) |
| ; CHECK-NEXT: {{17592186044416|2147450880}} |
| ; CHECK: ret |
| |
| define void @example_atomicrmw(i64* %ptr) nounwind uwtable sanitize_address { |
| entry: |
| %0 = atomicrmw add i64* %ptr, i64 1 seq_cst |
| ret void |
| } |
| |
| ; CHECK: @example_atomicrmw |
| ; CHECK: lshr {{.*}} 3 |
| ; CHECK: atomicrmw |
| ; CHECK: ret |
| |
| define void @example_cmpxchg(i64* %ptr, i64 %compare_to, i64 %new_value) nounwind uwtable sanitize_address { |
| entry: |
| %0 = cmpxchg i64* %ptr, i64 %compare_to, i64 %new_value seq_cst |
| ret void |
| } |
| |
| ; CHECK: @example_cmpxchg |
| ; CHECK: lshr {{.*}} 3 |
| ; CHECK: cmpxchg |
| ; CHECK: ret |
