1; RUN: opt < %s -dfsan -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 5define i8 @add(i8 %a, i8 %b) { 6 ; CHECK: @"dfs$add" 7 ; CHECK-DAG: %[[ALABEL:.*]] = load{{.*}}__dfsan_arg_tls, i64 0, i64 0 8 ; CHECK-DAG: %[[BLABEL:.*]] = load{{.*}}__dfsan_arg_tls, i64 0, i64 1 9 ; CHECK: %[[UNION:.*]] = call{{.*}}__dfsan_union(i16 zeroext %[[ALABEL]], i16 zeroext %[[BLABEL]]) 10 ; CHECK: %[[ADDLABEL:.*]] = phi i16 [ %[[UNION]], {{.*}} ], [ %[[ALABEL]], {{.*}} ] 11 ; CHECK: add i8 12 ; CHECK: store i16 %[[ADDLABEL]], i16* @__dfsan_retval_tls 13 ; CHECK: ret i8 14 %c = add i8 %a, %b 15 ret i8 %c 16} 17 18define i8 @sub(i8 %a, i8 %b) { 19 ; CHECK: @"dfs$sub" 20 ; CHECK: load{{.*}}__dfsan_arg_tls 21 ; CHECK: load{{.*}}__dfsan_arg_tls 22 ; CHECK: call{{.*}}__dfsan_union 23 ; CHECK: sub i8 24 ; CHECK: store{{.*}}__dfsan_retval_tls 25 ; CHECK: ret i8 26 %c = sub i8 %a, %b 27 ret i8 %c 28} 29 30define i8 @mul(i8 %a, i8 %b) { 31 ; CHECK: @"dfs$mul" 32 ; CHECK: load{{.*}}__dfsan_arg_tls 33 ; CHECK: load{{.*}}__dfsan_arg_tls 34 ; CHECK: call{{.*}}__dfsan_union 35 ; CHECK: mul i8 36 ; CHECK: store{{.*}}__dfsan_retval_tls 37 ; CHECK: ret i8 38 %c = mul i8 %a, %b 39 ret i8 %c 40} 41 42define i8 @sdiv(i8 %a, i8 %b) { 43 ; CHECK: @"dfs$sdiv" 44 ; CHECK: load{{.*}}__dfsan_arg_tls 45 ; CHECK: load{{.*}}__dfsan_arg_tls 46 ; CHECK: call{{.*}}__dfsan_union 47 ; CHECK: sdiv i8 48 ; CHECK: store{{.*}}__dfsan_retval_tls 49 ; CHECK: ret i8 50 %c = sdiv i8 %a, %b 51 ret i8 %c 52} 53 54define i8 @udiv(i8 %a, i8 %b) { 55 ; CHECK: @"dfs$udiv" 56 ; CHECK: load{{.*}}__dfsan_arg_tls 57 ; CHECK: load{{.*}}__dfsan_arg_tls 58 ; CHECK: call{{.*}}__dfsan_union 59 ; CHECK: udiv i8 60 ; CHECK: store{{.*}}__dfsan_retval_tls 61 ; CHECK: ret i8 62 %c = udiv i8 %a, %b 63 ret i8 %c 64} 65