1; RUN: opt %loadNPMPolly -S -passes=polly-codegen \ 2; RUN: < %s | FileCheck %s 3; 4; Check that this will not crash our code generation. 5; 6; CHECK: polly.start: 7; 8; void f(int *A, int N) { 9; for (int i = 0; i < N / 4; i++) 10; A[i] += A[i - 1]; 11; } 12; 13target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 14 15define void @f(ptr %A, i32 %N) { 16bb: 17 %tmp = sdiv i32 %N, 4 18 %tmp2 = sext i32 %tmp to i64 19 br label %bb1 20 21bb1: ; preds = %bb11, %bb 22 %indvars.iv = phi i64 [ %indvars.iv.next, %bb11 ], [ 0, %bb ] 23 %tmp3 = icmp slt i64 %indvars.iv, %tmp2 24 br i1 %tmp3, label %bb4, label %bb12 25 26bb4: ; preds = %bb1 27 %tmp5 = add nsw i64 %indvars.iv, -1 28 %tmp6 = getelementptr inbounds i32, ptr %A, i64 %tmp5 29 %tmp7 = load i32, ptr %tmp6, align 4 30 %tmp8 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv 31 %tmp9 = load i32, ptr %tmp8, align 4 32 %tmp10 = add nsw i32 %tmp9, %tmp7 33 store i32 %tmp10, ptr %tmp8, align 4 34 br label %bb11 35 36bb11: ; preds = %bb4 37 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 38 br label %bb1 39 40bb12: ; preds = %bb1 41 ret void 42} 43