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 5; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]] 6; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]] 7 8define {i32, i32} @test({i32, i32} %a, i1 %c) { 9 ; CHECK: %[[#AL:]] = load { i[[#SBITS]], i[[#SBITS]] }, { i[[#SBITS]], i[[#SBITS]] }* bitcast ([100 x i64]* @__dfsan_arg_tls to { i[[#SBITS]], i[[#SBITS]] }*), align [[ALIGN:2]] 10 ; CHECK: %[[#AL0:]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } %[[#AL]], i[[#SBITS]] 0, 0 11 ; CHECK: %[[#AL1:]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } %[[#AL]], i[[#SBITS]] 0, 1 12 ; CHECK: %[[#PL:]] = phi { i[[#SBITS]], i[[#SBITS]] } [ %[[#AL0]], %T ], [ %[[#AL1]], %F ] 13 ; CHECK: store { i[[#SBITS]], i[[#SBITS]] } %[[#PL]], { i[[#SBITS]], i[[#SBITS]] }* bitcast ([100 x i64]* @__dfsan_retval_tls to { i[[#SBITS]], i[[#SBITS]] }*), align [[ALIGN]] 14 15entry: 16 br i1 %c, label %T, label %F 17 18T: 19 %at = insertvalue {i32, i32} %a, i32 1, 0 20 br label %done 21 22F: 23 %af = insertvalue {i32, i32} %a, i32 1, 1 24 br label %done 25 26done: 27 %b = phi {i32, i32} [%at, %T], [%af, %F] 28 ret {i32, i32} %b 29} 30