| ; RUN: opt < %s -dfsan -dfsan-debug-nonzero-labels -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-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]] |
| ; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]] |
| |
| declare i32 @g() |
| |
| ; CHECK: define i32 @f.dfsan(i32 %0, i32 %1) |
| define i32 @f(i32, i32) { |
| ; CHECK: [[ARGLABEL1:%.*]] = load i[[#SBITS]], {{.*}} @__dfsan_arg_tls |
| %i = alloca i32 |
| ; CHECK: [[ARGCMP1:%.*]] = icmp ne i[[#SBITS]] [[ARGLABEL1]], 0 |
| ; CHECK: br i1 [[ARGCMP1]] |
| ; CHECK: [[ARGLABEL2:%.*]] = load i[[#SBITS]], {{.*}} @__dfsan_arg_tls |
| ; CHECK: [[LOCALLABELALLOCA:%.*]] = alloca i[[#SBITS]] |
| ; CHECK: [[ARGCMP2:%.*]] = icmp ne i[[#SBITS]] [[ARGLABEL2]], 0 |
| ; CHECK: br i1 [[ARGCMP2]] |
| %x = add i32 %0, %1 |
| store i32 %x, i32* %i |
| ; CHECK: [[CALL:%.*]] = call i32 @g.dfsan() |
| ; CHECK: [[RETLABEL:%.*]] = load i[[#SBITS]], {{.*}} @__dfsan_retval_tls |
| ; CHECK: [[CALLCMP:%.*]] = icmp ne i[[#SBITS]] [[RETLABEL]], 0 |
| ; CHECK: br i1 [[CALLCMP]] |
| %call = call i32 @g() |
| ; CHECK: [[LOCALLABEL:%.*]] = load i[[#SBITS]], i[[#SBITS]]* [[LOCALLABELALLOCA]] |
| ; CHECK: [[LOCALCMP:%.*]] = icmp ne i[[#SBITS]] [[LOCALLABEL]], 0 |
| ; CHECK: br i1 [[LOCALCMP]] |
| %load = load i32, i32* %i |
| ret i32 %load |
| } |
