1; RUN: opt < %s -passes=dfsan -dfsan-debug-nonzero-labels -S | FileCheck %s 2target 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" 3target triple = "x86_64-unknown-linux-gnu" 4 5declare i32 @g() 6 7; CHECK: define i32 @f.dfsan(i32 %0, i32 %1) 8define i32 @f(i32, i32) { 9 ; CHECK: [[ARGLABEL1:%.*]] = load i8, {{.*}} @__dfsan_arg_tls 10 %i = alloca i32 11 ; CHECK: [[ARGCMP1:%.*]] = icmp ne i8 [[ARGLABEL1]], 0 12 ; CHECK: br i1 [[ARGCMP1]] 13 ; CHECK: [[ARGLABEL2:%.*]] = load i8, {{.*}} @__dfsan_arg_tls 14 ; CHECK: [[LOCALLABELALLOCA:%.*]] = alloca i8 15 ; CHECK: [[ARGCMP2:%.*]] = icmp ne i8 [[ARGLABEL2]], 0 16 ; CHECK: br i1 [[ARGCMP2]] 17 %x = add i32 %0, %1 18 store i32 %x, ptr %i 19 ; CHECK: [[CALL:%.*]] = call i32 @g.dfsan() 20 ; CHECK: [[RETLABEL:%.*]] = load i8, {{.*}} @__dfsan_retval_tls 21 ; CHECK: [[CALLCMP:%.*]] = icmp ne i8 [[RETLABEL]], 0 22 ; CHECK: br i1 [[CALLCMP]] 23 %call = call i32 @g() 24 ; CHECK: [[LOCALLABEL:%.*]] = load i8, ptr [[LOCALLABELALLOCA]] 25 ; CHECK: [[LOCALCMP:%.*]] = icmp ne i8 [[LOCALLABEL]], 0 26 ; CHECK: br i1 [[LOCALCMP]] 27 %load = load i32, ptr %i 28 ret i32 %load 29} 30