1 ; RUN: opt -delinearize -analyze < %s | FileCheck %s 2 ; 3 ; void foo(float *A, long *p) { 4 ; for (long i = 0; i < 100; i++) 5 ; for (long j = 0; j < 100; j++) 6 ; A[i * (*p) + j] += i + j; 7 ; } 8 ; 9 ; CHECK: ArrayDecl[UnknownSize][%pval] with elements of 4 bytes. 10 ; CHECK: ArrayRef[{0,+,1}<nuw><nsw><%bb2>][{0,+,1}<nuw><nsw><%bb4>] 11 ; 12 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 13 14 define void @foo(float* %A, i64* %p) { 15 bb: 16 br label %bb2 17 18 bb2: ; preds = %bb16, %bb 19 %i.0 = phi i64 [ 0, %bb ], [ %tmp17, %bb16 ] 20 %exitcond1 = icmp ne i64 %i.0, 100 21 br i1 %exitcond1, label %bb3, label %bb18 22 23 bb3: ; preds = %bb2 24 br label %bb4 25 26 bb4: ; preds = %bb13, %bb3 27 %j.0 = phi i64 [ 0, %bb3 ], [ %tmp14, %bb13 ] 28 %exitcond = icmp ne i64 %j.0, 100 29 br i1 %exitcond, label %bb5, label %bb15 30 31 bb5: ; preds = %bb4 32 %tmp = add nuw nsw i64 %i.0, %j.0 33 %tmp6 = sitofp i64 %tmp to float 34 %pval = load i64, i64* %p, align 8 35 %tmp8 = mul nsw i64 %i.0, %pval 36 %tmp9 = add nsw i64 %tmp8, %j.0 37 %tmp10 = getelementptr inbounds float, float* %A, i64 %tmp9 38 %tmp11 = load float, float* %tmp10, align 4 39 %tmp12 = fadd float %tmp11, %tmp6 40 store float %tmp12, float* %tmp10, align 4 41 br label %bb13 42 43 bb13: ; preds = %bb5 44 %tmp14 = add nuw nsw i64 %j.0, 1 45 br label %bb4 46 47 bb15: ; preds = %bb4 48 br label %bb16 49 50 bb16: ; preds = %bb15 51 %tmp17 = add nuw nsw i64 %i.0, 1 52 br label %bb2 53 54 bb18: ; preds = %bb2 55 ret void 56 } 57
