1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -S -loop-unroll -unroll-max-iteration-count-to-analyze=100 -unroll-dynamic-cost-savings-discount=1000 -unroll-threshold=10 -unroll-percent-dynamic-cost-saved-threshold=50 | FileCheck %s 2*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workerdefine i64 @propagate_loop_phis() { 5*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @propagate_loop_phis( 6*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: br i1 7*9880d681SAndroid Build Coastguard Worker; CHECK: ret i64 3 8*9880d681SAndroid Build Coastguard Workerentry: 9*9880d681SAndroid Build Coastguard Worker br label %loop 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerloop: 12*9880d681SAndroid Build Coastguard Worker %iv = phi i64 [ 0, %entry ], [ %inc, %loop ] 13*9880d681SAndroid Build Coastguard Worker %x0 = phi i64 [ 0, %entry ], [ %x2, %loop ] 14*9880d681SAndroid Build Coastguard Worker %x1 = or i64 %x0, 1 15*9880d681SAndroid Build Coastguard Worker %x2 = or i64 %x1, 2 16*9880d681SAndroid Build Coastguard Worker %inc = add nuw nsw i64 %iv, 1 17*9880d681SAndroid Build Coastguard Worker %cond = icmp sge i64 %inc, 10 18*9880d681SAndroid Build Coastguard Worker br i1 %cond, label %loop.end, label %loop 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Workerloop.end: 21*9880d681SAndroid Build Coastguard Worker %x.lcssa = phi i64 [ %x2, %loop ] 22*9880d681SAndroid Build Coastguard Worker ret i64 %x.lcssa 23*9880d681SAndroid Build Coastguard Worker} 24