1; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s 2>&1 | not FileCheck %s 2 3;#include <string.h> 4;#include <stdio.h> 5;#define N 1021 6; 7;int main () { 8; int i; 9; int A[N]; 10; int red; 11; 12; memset(A, 0, sizeof(int) * N); 13; 14; A[0] = 1; 15; A[1] = 1; 16; red = 0; 17; 18; __sync_synchronize(); 19; 20; for (i = 2; i < N; i++) { 21; A[i] = A[i-1] + A[i-2]; 22; red += A[i-2]; 23; } 24; 25; __sync_synchronize(); 26; 27; if (red != 382399368) 28; return 1; 29;} 30 31target 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-n8:16:32:64" 32 33define i32 @main() nounwind { 34; <label>:0 35 %A = alloca [1021 x i32], align 16 ; <ptr> [#uses=6] 36 %1 = getelementptr inbounds [1021 x i32], ptr %A, i32 0, i32 0 ; <ptr> [#uses=1] 37 call void @llvm.memset.p0.i64(ptr %1, i8 0, i64 4084, i32 1, i1 false) 38 %2 = getelementptr inbounds [1021 x i32], ptr %A, i32 0, i32 0 ; <ptr> [#uses=1] 39 %3 = getelementptr inbounds i32, ptr %2, i64 0 ; <ptr> [#uses=1] 40 store i32 1, ptr %3 41 %4 = getelementptr inbounds [1021 x i32], ptr %A, i32 0, i32 0 ; <ptr> [#uses=1] 42 %5 = getelementptr inbounds i32, ptr %4, i64 1 ; <ptr> [#uses=1] 43 store i32 1, ptr %5 44 fence seq_cst 45 br label %6 46 47; <label>:7 ; preds = %13, %0 48 %indvar = phi i64 [ %indvar.next, %13 ], [ 0, %0 ] ; <i64> [#uses=5] 49 %red.0 = phi i32 [ 0, %0 ], [ %12, %13 ] ; <i32> [#uses=2] 50 %scevgep = getelementptr [1021 x i32], ptr %A, i64 0, i64 %indvar ; <ptr> [#uses=2] 51 %tmp = add i64 %indvar, 2 ; <i64> [#uses=1] 52 %scevgep1 = getelementptr [1021 x i32], ptr %A, i64 0, i64 %tmp ; <ptr> [#uses=1] 53 %tmp2 = add i64 %indvar, 1 ; <i64> [#uses=1] 54 %scevgep3 = getelementptr [1021 x i32], ptr %A, i64 0, i64 %tmp2 ; <ptr> [#uses=1] 55 %exitcond = icmp ne i64 %indvar, 1019 ; <i1> [#uses=1] 56 br i1 %exitcond, label %7, label %14 57 58; <label>:8 ; preds = %6 59 %8 = load i32, ptr %scevgep3 ; <i32> [#uses=1] 60 %9 = load i32, ptr %scevgep ; <i32> [#uses=1] 61 %10 = add nsw i32 %8, %9 ; <i32> [#uses=1] 62 store i32 %10, ptr %scevgep1 63 %11 = load i32, ptr %scevgep ; <i32> [#uses=1] 64 %12 = add nsw i32 %red.0, %11 ; <i32> [#uses=1] 65 br label %13 66 67; <label>:14 ; preds = %7 68 %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1] 69 br label %6 70 71; <label>:15 ; preds = %6 72 %red.0.lcssa = phi i32 [ %red.0, %6 ] ; <i32> [#uses=1] 73 fence seq_cst 74 %15 = icmp ne i32 %red.0.lcssa, 382399368 ; <i1> [#uses=1] 75 br i1 %15, label %16, label %17 76 77; <label>:17 ; preds = %14 78 br label %17 79 80; <label>:18 ; preds = %16, %14 81 %.0 = phi i32 [ 1, %16 ], [ 0, %14 ] ; <i32> [#uses=1] 82 ret i32 %.0 83} 84 85declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i32, i1) nounwind 86 87; CHECK: Could not generate independent blocks 88