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1; RUN: opt %loadNPMPolly -S -polly-analyze-read-only-scalars=false '-passes=polly<no-default-opts>' < %s | FileCheck %s2 3; RUN: opt %loadNPMPolly -S -polly-analyze-read-only-scalars=true '-passes=polly<no-default-opts>' < %s | FileCheck %s4;5; float f(float *A, int N) {6; float tmp = 0;7; for (int i = 0; i < N; i++)8; tmp += A[i];9; return tmp;10; }11 12; CHECK-LABEL: polly.merge_new_and_old:13; CHECK-NEXT: %tmp.0.merge = phi float [ %tmp.0.final_reload, %polly.exiting ], [ %tmp.0, %bb8 ]14; CHECK-NEXT: br label %exit15 16; CHECK-LABEL: polly.start:17; CHECK-NEXT: store float 0.000000e+00, ptr %tmp.0.phiops18; CHECK-NEXT: sext19 20; CHECK-LABEL: polly.exiting:21; CHECK-NEXT: %tmp.0.final_reload = load float, ptr %tmp.0.s2a22; CHECK-NEXT: br label %polly.merge_new_and_old23 24; CHECK-LABEL: polly.stmt.bb1{{[0-9]*}}:25; CHECK-NEXT: %tmp.0.phiops.reload[[R1:[0-9]*]] = load float, ptr %tmp.0.phiops26; CHECK-: store float %tmp.0.phiops.reload[[R1]], ptr %tmp.0.s2a27 28; CHECK-LABEL: polly.stmt.bb4:29; CHECK: %tmp.0.s2a.reload[[R3:[0-9]*]] = load float, ptr %tmp.0.s2a30; CHECK: %tmp[[R5:[0-9]*]]_p_scalar_ = load float, ptr %scevgep, align 4, !alias.scope !2, !noalias !531; CHECK: %p_tmp[[R4:[0-9]*]] = fadd float %tmp.0.s2a.reload[[R3]], %tmp[[R5]]_p_scalar_32; CHECK: store float %p_tmp[[R4]], ptr %tmp.0.phiops33 34; CHECK-LABEL: polly.stmt.bb1{{[0-9]*}}:35; CHECK-NEXT: %tmp.0.phiops.reload[[R2:[0-9]*]] = load float, ptr %tmp.0.phiops36; CHECK: store float %tmp.0.phiops.reload[[R2]], ptr %tmp.0.s2a37 38target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"39 40define float @f(ptr %A, i32 %N) {41bb:42 %tmp = sext i32 %N to i6443 br label %bb144 45bb1: ; preds = %bb4, %bb46 %indvars.iv = phi i64 [ %indvars.iv.next, %bb4 ], [ 0, %bb ]47 %tmp.0 = phi float [ 0.000000e+00, %bb ], [ %tmp7, %bb4 ]48 %tmp2 = icmp slt i64 %indvars.iv, %tmp49 br i1 %tmp2, label %bb3, label %bb850 51bb3: ; preds = %bb152 br label %bb453 54bb4: ; preds = %bb355 %tmp5 = getelementptr inbounds float, ptr %A, i64 %indvars.iv56 %tmp6 = load float, ptr %tmp5, align 457 %tmp7 = fadd float %tmp.0, %tmp658 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 159 br label %bb160 61bb8: ; preds = %bb162 br label %exit63 64exit:65 ret float %tmp.066}67