1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; Test to make sure that if math that can roll over has been used we don't 4*9880d681SAndroid Build Coastguard Worker; use the potential overflow as the basis for an address calculation later by 5*9880d681SAndroid Build Coastguard Worker; sinking it into a different basic block. 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 8*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-macosx10.9.0" 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker; Function Attrs: nounwind ssp uwtable 11*9880d681SAndroid Build Coastguard Workerdefine void @test_sink(i8* %arg1, i32 %arg2, i8 %arg3) #0 { 12*9880d681SAndroid Build Coastguard Worker %tmp1 = add i32 -2147483648, %arg2 13*9880d681SAndroid Build Coastguard Worker %tmp2 = add i32 -2147483648, %tmp1 14*9880d681SAndroid Build Coastguard Worker %tmp3 = getelementptr i8, i8* %arg1, i32 %arg2 15*9880d681SAndroid Build Coastguard Worker br label %bb1 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerbb1: 18*9880d681SAndroid Build Coastguard Worker %tmp4 = getelementptr i8, i8* %arg1, i32 %tmp2 19*9880d681SAndroid Build Coastguard Worker store i8 %arg3, i8* %tmp4 20*9880d681SAndroid Build Coastguard Worker ret void; 21*9880d681SAndroid Build Coastguard Worker} 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_sink: 24*9880d681SAndroid Build Coastguard Worker; CHECK: movslq %esi, [[TEMP:%[a-z0-9]+]] 25*9880d681SAndroid Build Coastguard Worker; CHECK: movb %dl, (%rdi,[[TEMP]]) 26*9880d681SAndroid Build Coastguard Worker; CHECK: retq 27