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| ; RUN: opt %loadPolly -basicaa -polly-stmt-granularity=bb -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polyhedral-info -polly-check-parallel -analyze < %s | FileCheck %s -check-prefix=PINFO
;
; void f(int *restrict A, int *restrict B, int N) {
; CHECK: #pragma minimal dependence distance: 5
; PINFO: for.cond: Loop is not parallel.
; for (int i = 0; i < N; i++) {
; A[i + 7] = A[i] + 1;
; B[i + 5] = B[i] + 1;
; }
; }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @f(i32* noalias %A, i32* noalias %B, i32 %N) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
%cmp = icmp slt i32 %i.0, %N
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.0
%tmp = load i32, i32* %arrayidx, align 4
%add = add nsw i32 %tmp, 1
%add1 = add nsw i32 %i.0, 7
%arrayidx2 = getelementptr inbounds i32, i32* %A, i32 %add1
store i32 %add, i32* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds i32, i32* %B, i32 %i.0
%tmp1 = load i32, i32* %arrayidx3, align 4
%add4 = add nsw i32 %tmp1, 1
%add5 = add nsw i32 %i.0, 5
%arrayidx6 = getelementptr inbounds i32, i32* %B, i32 %add5
store i32 %add4, i32* %arrayidx6, align 4
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i32 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
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