13e8eff37SArthur Eubanks; RUN: opt < %s -passes=dfsan -dfsan-track-select-control-flow=true -S | FileCheck %s --check-prefixes=CHECK,TRACK_CF 23e8eff37SArthur Eubanks; RUN: opt < %s -passes=dfsan -dfsan-track-select-control-flow=false -S | FileCheck %s --check-prefixes=CHECK,NO_TRACK_CF 30dd87825SJianzhou Zhaotarget 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" 40dd87825SJianzhou Zhaotarget triple = "x86_64-unknown-linux-gnu" 50dd87825SJianzhou Zhao 6bd99f232SGeorge Balatsouras; CHECK: @__dfsan_arg_tls = external thread_local(initialexec) global [[TLS_ARR:\[100 x i64\]]] 7bd99f232SGeorge Balatsouras; CHECK: @__dfsan_retval_tls = external thread_local(initialexec) global [[TLS_ARR]] 8bd99f232SGeorge Balatsourasdefine i8 @select8(i1 %c, i8 %t, i8 %f) { 9c6b5a25eSGeorge Balatsouras ; TRACK_CF: @select8.dfsan 10*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R:]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 4) to ptr), align [[ALIGN:2]] 11*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R+1]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN]] 12*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R+2]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN]] 13*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R+3]] = select i1 %c, i8 %[[#R+1]], i8 %[[#R]] 14*ecb85b5cSFangrui Song ; TRACK_CF: %[[#RO:]] = or i8 %[[#R+2]], %[[#R+3]] 15bd99f232SGeorge Balatsouras ; TRACK_CF: %a = select i1 %c, i8 %t, i8 %f 16*ecb85b5cSFangrui Song ; TRACK_CF: store i8 %[[#RO]], ptr @__dfsan_retval_tls, align [[ALIGN]] 17bd99f232SGeorge Balatsouras ; TRACK_CF: ret i8 %a 18bd99f232SGeorge Balatsouras 19c6b5a25eSGeorge Balatsouras ; NO_TRACK_CF: @select8.dfsan 20*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#R:]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 4) to ptr), align [[ALIGN:2]] 21*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#R+1]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN]] 22*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#R+2]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN]] 23*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#R+3]] = select i1 %c, i8 %[[#R+1]], i8 %[[#R]] 24bd99f232SGeorge Balatsouras ; NO_TRACK_CF: %a = select i1 %c, i8 %t, i8 %f 25*ecb85b5cSFangrui Song ; NO_TRACK_CF: store i8 %[[#R+3]], ptr @__dfsan_retval_tls, align [[ALIGN]] 26bd99f232SGeorge Balatsouras ; NO_TRACK_CF: ret i8 %a 270dd87825SJianzhou Zhao 280dd87825SJianzhou Zhao %a = select i1 %c, i8 %t, i8 %f 290dd87825SJianzhou Zhao ret i8 %a 300dd87825SJianzhou Zhao} 310dd87825SJianzhou Zhao 320dd87825SJianzhou Zhaodefine i8 @select8e(i1 %c, i8 %tf) { 33c6b5a25eSGeorge Balatsouras ; TRACK_CF: @select8e.dfsan 34*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R:]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN]] 35*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R+1]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN]] 36*ecb85b5cSFangrui Song ; TRACK_CF: %[[#RO:]] = or i8 %[[#R+1]], %[[#R]] 37bd99f232SGeorge Balatsouras ; TRACK_CF: %a = select i1 %c, i8 %tf, i8 %tf 38*ecb85b5cSFangrui Song ; TRACK_CF: store i8 %[[#RO]], ptr @__dfsan_retval_tls, align [[ALIGN]] 39bd99f232SGeorge Balatsouras ; TRACK_CF: ret i8 %a 400dd87825SJianzhou Zhao 41c6b5a25eSGeorge Balatsouras ; NO_TRACK_CF: @select8e.dfsan 42*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#R:]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN]] 43*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#R+1]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN]] 44bd99f232SGeorge Balatsouras ; NO_TRACK_CF: %a = select i1 %c, i8 %tf, i8 %tf 45*ecb85b5cSFangrui Song ; NO_TRACK_CF: store i8 %[[#R]], ptr @__dfsan_retval_tls, align [[ALIGN]] 46bd99f232SGeorge Balatsouras ; NO_TRACK_CF: ret i8 %a 470dd87825SJianzhou Zhao 480dd87825SJianzhou Zhao %a = select i1 %c, i8 %tf, i8 %tf 490dd87825SJianzhou Zhao ret i8 %a 500dd87825SJianzhou Zhao} 510dd87825SJianzhou Zhao 520dd87825SJianzhou Zhaodefine <4 x i8> @select8v(<4 x i1> %c, <4 x i8> %t, <4 x i8> %f) { 53c6b5a25eSGeorge Balatsouras ; TRACK_CF: @select8v.dfsan 54*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R:]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 4) to ptr), align [[ALIGN:2]] 55*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R+1]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN]] 56*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R+2]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN]] 57*ecb85b5cSFangrui Song ; TRACK_CF: %[[#R+3]] = or i8 %[[#R+1]], %[[#R]] 58*ecb85b5cSFangrui Song ; TRACK_CF: %[[#RO:]] = or i8 %[[#R+2]], %[[#R+3]] 59bd99f232SGeorge Balatsouras ; TRACK_CF: %a = select <4 x i1> %c, <4 x i8> %t, <4 x i8> %f 60*ecb85b5cSFangrui Song ; TRACK_CF: store i8 %[[#RO]], ptr @__dfsan_retval_tls, align [[ALIGN]] 61bd99f232SGeorge Balatsouras ; TRACK_CF: ret <4 x i8> %a 620dd87825SJianzhou Zhao 63c6b5a25eSGeorge Balatsouras ; NO_TRACK_CF: @select8v.dfsan 64*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#R:]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 4) to ptr), align [[ALIGN:2]] 65*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#R+1]] = load i8, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN]] 66*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#R+2]] = load i8, ptr @__dfsan_arg_tls, align [[ALIGN]] 67*ecb85b5cSFangrui Song ; NO_TRACK_CF: %[[#RO:]] = or i8 %[[#R+1]], %[[#R]] 68bd99f232SGeorge Balatsouras ; NO_TRACK_CF: %a = select <4 x i1> %c, <4 x i8> %t, <4 x i8> %f 69*ecb85b5cSFangrui Song ; NO_TRACK_CF: store i8 %[[#RO]], ptr @__dfsan_retval_tls, align [[ALIGN]] 70bd99f232SGeorge Balatsouras ; NO_TRACK_CF: ret <4 x i8> %a 710dd87825SJianzhou Zhao 720dd87825SJianzhou Zhao %a = select <4 x i1> %c, <4 x i8> %t, <4 x i8> %f 730dd87825SJianzhou Zhao ret <4 x i8> %a 740dd87825SJianzhou Zhao} 75