1; RUN: opt %loadPolly -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 ; <[1021 x i32]*> [#uses=6] 36 %1 = getelementptr inbounds [1021 x i32], [1021 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1] 37 %2 = bitcast i32* %1 to i8* ; <i8*> [#uses=1] 38 call void @llvm.memset.p0i8.i64(i8* %2, i8 0, i64 4084, i32 1, i1 false) 39 %3 = getelementptr inbounds [1021 x i32], [1021 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1] 40 %4 = getelementptr inbounds i32, i32* %3, i64 0 ; <i32*> [#uses=1] 41 store i32 1, i32* %4 42 %5 = getelementptr inbounds [1021 x i32], [1021 x i32]* %A, i32 0, i32 0 ; <i32*> [#uses=1] 43 %6 = getelementptr inbounds i32, i32* %5, i64 1 ; <i32*> [#uses=1] 44 store i32 1, i32* %6 45 fence seq_cst 46 br label %7 47 48; <label>:7 ; preds = %14, %0 49 %indvar = phi i64 [ %indvar.next, %14 ], [ 0, %0 ] ; <i64> [#uses=5] 50 %red.0 = phi i32 [ 0, %0 ], [ %13, %14 ] ; <i32> [#uses=2] 51 %scevgep = getelementptr [1021 x i32], [1021 x i32]* %A, i64 0, i64 %indvar ; <i32*> [#uses=2] 52 %tmp = add i64 %indvar, 2 ; <i64> [#uses=1] 53 %scevgep1 = getelementptr [1021 x i32], [1021 x i32]* %A, i64 0, i64 %tmp ; <i32*> [#uses=1] 54 %tmp2 = add i64 %indvar, 1 ; <i64> [#uses=1] 55 %scevgep3 = getelementptr [1021 x i32], [1021 x i32]* %A, i64 0, i64 %tmp2 ; <i32*> [#uses=1] 56 %exitcond = icmp ne i64 %indvar, 1019 ; <i1> [#uses=1] 57 br i1 %exitcond, label %8, label %15 58 59; <label>:8 ; preds = %7 60 %9 = load i32, i32* %scevgep3 ; <i32> [#uses=1] 61 %10 = load i32, i32* %scevgep ; <i32> [#uses=1] 62 %11 = add nsw i32 %9, %10 ; <i32> [#uses=1] 63 store i32 %11, i32* %scevgep1 64 %12 = load i32, i32* %scevgep ; <i32> [#uses=1] 65 %13 = add nsw i32 %red.0, %12 ; <i32> [#uses=1] 66 br label %14 67 68; <label>:14 ; preds = %8 69 %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1] 70 br label %7 71 72; <label>:15 ; preds = %7 73 %red.0.lcssa = phi i32 [ %red.0, %7 ] ; <i32> [#uses=1] 74 fence seq_cst 75 %16 = icmp ne i32 %red.0.lcssa, 382399368 ; <i1> [#uses=1] 76 br i1 %16, label %17, label %18 77 78; <label>:17 ; preds = %15 79 br label %18 80 81; <label>:18 ; preds = %17, %15 82 %.0 = phi i32 [ 1, %17 ], [ 0, %15 ] ; <i32> [#uses=1] 83 ret i32 %.0 84} 85 86declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind 87 88; CHECK: Could not generate independent blocks 89