1 ; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s
3 ; ScalarEvolution should be able to compute a maximum trip count
4 ; value sufficient to fold away both sext casts.
6 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
8 define float @t(ptr %pTmp1, ptr %peakWeight, ptr %nrgReducePeakrate, i32 %bim) nounwind {
9 ; CHECK-LABEL: Classifying expressions for: @t
11 %tmp3 = load float, ptr %peakWeight, align 4
12 %tmp2538 = icmp sgt i32 %bim, 0
13 br i1 %tmp2538, label %bb.nph, label %bb4
19 %distERBhi.036 = phi float [ %tmp10, %bb1 ], [ 0.000000e+00, %bb.nph ]
20 %hiPart.035 = phi i32 [ %tmp12, %bb1 ], [ 0, %bb.nph ]
21 %peakCount.034 = phi float [ %tmp19, %bb1 ], [ %tmp3, %bb.nph ]
22 %tmp6 = sext i32 %hiPart.035 to i64
23 %tmp7 = getelementptr float, ptr %pTmp1, i64 %tmp6
24 ; CHECK: %tmp6 = sext i32 %hiPart.035 to i64
25 ; CHECK-NEXT: --> {0,+,1}<nuw><nsw><%bb>
26 %tmp8 = load float, ptr %tmp7, align 4
27 %tmp10 = fadd float %tmp8, %distERBhi.036
28 %tmp12 = add i32 %hiPart.035, 1
29 %tmp15 = sext i32 %tmp12 to i64
30 %tmp16 = getelementptr float, ptr %peakWeight, i64 %tmp15
31 ; CHECK: %tmp15 = sext i32 %tmp12 to i64
32 ; CHECK-NEXT: --> {1,+,1}<nuw><nsw><%bb>
33 %tmp17 = load float, ptr %tmp16, align 4
34 %tmp19 = fadd float %tmp17, %peakCount.034
38 %tmp21 = fcmp olt float %tmp10, 2.500000e+00
39 %tmp25 = icmp slt i32 %tmp12, %bim
40 %tmp27 = and i1 %tmp21, %tmp25
41 br i1 %tmp27, label %bb, label %bb1.bb4_crit_edge
47 %distERBhi.0.lcssa = phi float [ %tmp10, %bb1.bb4_crit_edge ], [ 0.000000e+00, %entry ]
48 %peakCount.0.lcssa = phi float [ %tmp19, %bb1.bb4_crit_edge ], [ %tmp3, %entry ]
49 %tmp31 = fdiv float %peakCount.0.lcssa, %distERBhi.0.lcssa