1; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution | FileCheck %s 2; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s 3 4; CHECK: %tmp9 = shl i64 %tmp8, 33 5; CHECK-NEXT: --> {{.*}} Exits: (-8589934592 + (8589934592 * (zext i32 %arg2 to i64))) 6; CHECK: %tmp10 = ashr exact i64 %tmp9, 32 7; CHECK-NEXT: --> {{.*}} Exits: (sext i32 (-2 + (2 * %arg2)) to i64) 8; CHECK: %tmp11 = getelementptr inbounds i32, i32* %arg, i64 %tmp10 9; CHECK-NEXT: --> {{.*}} Exits: ((4 * (sext i32 (-2 + (2 * %arg2)) to i64))<nsw> + %arg) 10; CHECK: %tmp14 = or i64 %tmp10, 1 11; CHECK-NEXT: --> {{.*}} Exits: (1 + (sext i32 (-2 + (2 * %arg2)) to i64))<nuw><nsw> 12; CHECK: %tmp15 = getelementptr inbounds i32, i32* %arg, i64 %tmp14 13; CHECK-NEXT: --> {{.*}} Exits: (4 + (4 * (sext i32 (-2 + (2 * %arg2)) to i64))<nsw> + %arg) 14; CHECK:Loop %bb7: backedge-taken count is (-1 + (zext i32 %arg2 to i64))<nsw> 15; CHECK-NEXT:Loop %bb7: max backedge-taken count is 2147483646 16; CHECK-NEXT:Loop %bb7: Predicated backedge-taken count is (-1 + (zext i32 %arg2 to i64))<nsw> 17 18define void @foo(i32* nocapture %arg, i32 %arg1, i32 %arg2) { 19bb: 20 %tmp = icmp sgt i32 %arg2, 0 21 br i1 %tmp, label %bb3, label %bb6 22 23bb3: ; preds = %bb 24 %tmp4 = zext i32 %arg2 to i64 25 br label %bb7 26 27bb5: ; preds = %bb7 28 br label %bb6 29 30bb6: ; preds = %bb5, %bb 31 ret void 32 33bb7: ; preds = %bb7, %bb3 34 %tmp8 = phi i64 [ %tmp18, %bb7 ], [ 0, %bb3 ] 35 %tmp9 = shl i64 %tmp8, 33 36 %tmp10 = ashr exact i64 %tmp9, 32 37 %tmp11 = getelementptr inbounds i32, i32* %arg, i64 %tmp10 38 %tmp12 = load i32, i32* %tmp11, align 4 39 %tmp13 = sub nsw i32 %tmp12, %arg1 40 store i32 %tmp13, i32* %tmp11, align 4 41 %tmp14 = or i64 %tmp10, 1 42 %tmp15 = getelementptr inbounds i32, i32* %arg, i64 %tmp14 43 %tmp16 = load i32, i32* %tmp15, align 4 44 %tmp17 = mul nsw i32 %tmp16, %arg1 45 store i32 %tmp17, i32* %tmp15, align 4 46 %tmp18 = add nuw nsw i64 %tmp8, 1 47 %tmp19 = icmp eq i64 %tmp18, %tmp4 48 br i1 %tmp19, label %bb5, label %bb7 49} 50 51; CHECK: %t10 = ashr exact i128 %t9, 1 52; CHECK-NEXT: --> {{.*}} Exits: (sext i127 (-633825300114114700748351602688 + (633825300114114700748351602688 * (zext i32 %arg5 to i127))) to i128) 53; CHECK: %t14 = or i128 %t10, 1 54; CHECK-NEXT: --> {{.*}} Exits: (1 + (sext i127 (-633825300114114700748351602688 + (633825300114114700748351602688 * (zext i32 %arg5 to i127))) to i128))<nuw><nsw> 55; CHECK: Loop %bb7: backedge-taken count is (-1 + (zext i32 %arg5 to i128))<nsw> 56; CHECK-NEXT: Loop %bb7: max backedge-taken count is 2147483646 57; CHECK-NEXT: Loop %bb7: Predicated backedge-taken count is (-1 + (zext i32 %arg5 to i128))<nsw> 58 59define void @goo(i32* nocapture %arg3, i32 %arg4, i32 %arg5) { 60bb: 61 %t = icmp sgt i32 %arg5, 0 62 br i1 %t, label %bb3, label %bb6 63 64bb3: ; preds = %bb 65 %t4 = zext i32 %arg5 to i128 66 br label %bb7 67 68bb5: ; preds = %bb7 69 br label %bb6 70 71bb6: ; preds = %bb5, %bb 72 ret void 73 74bb7: ; preds = %bb7, %bb3 75 %t8 = phi i128 [ %t18, %bb7 ], [ 0, %bb3 ] 76 %t9 = shl i128 %t8, 100 77 %t10 = ashr exact i128 %t9, 1 78 %t11 = getelementptr inbounds i32, i32* %arg3, i128 %t10 79 %t12 = load i32, i32* %t11, align 4 80 %t13 = sub nsw i32 %t12, %arg4 81 store i32 %t13, i32* %t11, align 4 82 %t14 = or i128 %t10, 1 83 %t15 = getelementptr inbounds i32, i32* %arg3, i128 %t14 84 %t16 = load i32, i32* %t15, align 4 85 %t17 = mul nsw i32 %t16, %arg4 86 store i32 %t17, i32* %t15, align 4 87 %t18 = add nuw nsw i128 %t8, 1 88 %t19 = icmp eq i128 %t18, %t4 89 br i1 %t19, label %bb5, label %bb7 90} 91