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