| ; RUN: opt < %s -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s |
| ; RUN: opt < %s -msan-check-access-address=0 -msan-track-origins=2 -S -passes=msan 2>&1 | 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-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define i32 @nofreeze(ptr %ptr) sanitize_memory { |
| ; CHECK-LABEL: @nofreeze |
| %val = load i32, ptr %ptr |
| ; CHECK: [[SHADOW_PTR:%.*]] = inttoptr |
| ; CHECK: [[SHADOW:%.*]] = load i32, ptr [[SHADOW_PTR]] |
| ; CHECK: store i32 [[SHADOW]], {{.*}} @__msan_retval_tls |
| ret i32 %val |
| } |
| |
| define i32 @freeze_inst(ptr %ptr) sanitize_memory { |
| ; CHECK-LABEL: @freeze_inst |
| %val = load i32, ptr %ptr |
| %freeze_val = freeze i32 %val |
| ; CHECK-NOT: __msan_warning |
| ; CHECK: store i32 0, {{.*}} @__msan_retval_tls |
| ret i32 %freeze_val |
| } |
