1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-reduce -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; Provide legal integer types. 4*9880d681SAndroid Build Coastguard Workertarget datalayout = "n8:16:32:64" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker@d = common global i32 0, align 4 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine void @fn2(i32 %x) nounwind uwtable { 9*9880d681SAndroid Build Coastguard Workerentry: 10*9880d681SAndroid Build Coastguard Worker br label %for.cond 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerfor.cond: 13*9880d681SAndroid Build Coastguard Worker %g.0 = phi i32 [ 0, %entry ], [ %dec, %for.cond ] 14*9880d681SAndroid Build Coastguard Worker %tobool = icmp eq i32 %x, 0 15*9880d681SAndroid Build Coastguard Worker %dec = add nsw i32 %g.0, -1 16*9880d681SAndroid Build Coastguard Worker br i1 %tobool, label %for.cond, label %for.end 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard Workerfor.end: 19*9880d681SAndroid Build Coastguard Worker; CHECK: %tmp1 = load i32, i32* @d, align 4 20*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: %tmp2 = load i32, i32* @d, align 4 21*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: %0 = sub i32 %tmp1, %tmp2 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Worker %tmp1 = load i32, i32* @d, align 4 24*9880d681SAndroid Build Coastguard Worker %add = add nsw i32 %tmp1, %g.0 25*9880d681SAndroid Build Coastguard Worker %tmp2 = load i32, i32* @d, align 4 26*9880d681SAndroid Build Coastguard Worker %tobool26 = icmp eq i32 %x, 0 27*9880d681SAndroid Build Coastguard Worker br i1 %tobool26, label %for.end5, label %for.body.lr.ph 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Workerfor.body.lr.ph: 30*9880d681SAndroid Build Coastguard Worker %tobool3 = icmp ne i32 %tmp2, %add 31*9880d681SAndroid Build Coastguard Worker br label %for.end5 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Workerfor.end5: 34*9880d681SAndroid Build Coastguard Worker ret void 35*9880d681SAndroid Build Coastguard Worker} 36*9880d681SAndroid Build Coastguard Worker 37*9880d681SAndroid Build Coastguard Worker 38