| ; RUN: opt < %s -passes=asan -S | FileCheck --check-prefixes=CHECK,CHECK-S3 %s |
| ; RUN: opt < %s -passes=asan -asan-mapping-scale=5 -S | FileCheck --check-prefixes=CHECK,CHECK-S5 %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(ptr %a) sanitize_address { |
| entry: |
| %tmp1 = load i32, ptr %a, align 4 |
| ret i32 %tmp1 |
| } |
| ; CHECK-LABEL: @read_4_bytes |
| ; CHECK-NOT: ret |
| ; CHECK-S3: lshr {{.*}} 3 |
| ; CHECK-S5: lshr {{.*}} 5 |
| ; Check for ASAN's Offset for 64-bit (7fff8000|7ffe0000) |
| ; CHECK-S3-NEXT: add{{.*}}2147450880 |
| ; CHECK-S5-NEXT: add{{.*}}2147352576 |
| ; CHECK: ret |
| |
| define void @example_atomicrmw(ptr %ptr) nounwind uwtable sanitize_address { |
| entry: |
| %0 = atomicrmw add ptr %ptr, i64 1 seq_cst |
| ret void |
| } |
| |
| ; CHECK-LABEL: @example_atomicrmw |
| ; CHECK-S3: lshr {{.*}} 3 |
| ; CHECK-S5: lshr {{.*}} 5 |
| ; CHECK: __asan_report_store8 |
| ; CHECK-NOT: __asan_report |
| ; CHECK: atomicrmw |
| ; CHECK: ret |
| |
| define void @example_cmpxchg(ptr %ptr, i64 %compare_to, i64 %new_value) nounwind uwtable sanitize_address { |
| entry: |
| %0 = cmpxchg ptr %ptr, i64 %compare_to, i64 %new_value seq_cst seq_cst |
| ret void |
| } |
| |
| ; CHECK-LABEL: @example_cmpxchg |
| ; CHECK-S3: lshr {{.*}} 3 |
| ; CHECK-S5: lshr {{.*}} 5 |
| ; CHECK: __asan_report_store8 |
| ; CHECK-NOT: __asan_report |
| ; CHECK: cmpxchg |
| ; CHECK: ret |
