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| ; RUN: opt %loadPolly -analyze -polly-scops < %s | FileCheck %s
;
; Check that we do not create a SCoP if there is no statement executed.
;
; CHECK-NOT: Context
;
; void jd(int *A, int *B) {
; for (int i = 0; i < 1024; i++)
; for (int j = i; j < 0; j++)
; A[i] = B[i];
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @jd(i32* %A, i32* %B) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc6, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc6 ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 1024
br i1 %exitcond, label %for.body, label %for.end8
for.body: ; preds = %for.cond
%tmp = trunc i64 %indvars.iv to i32
br label %for.cond1
for.cond1: ; preds = %for.inc, %for.body
%j.0 = phi i32 [ %tmp, %for.body ], [ %inc, %for.inc ]
%cmp2 = icmp slt i32 %j.0, 0
br i1 %cmp2, label %for.body3, label %for.end
for.body3: ; preds = %for.cond1
%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
%tmp1 = load i32, i32* %arrayidx, align 4
%arrayidx5 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
store i32 %tmp1, i32* %arrayidx5, align 4
br label %for.inc
for.inc: ; preds = %for.body3
%inc = add nsw i32 %j.0, 1
br label %for.cond1
for.end: ; preds = %for.cond1
br label %for.inc6
for.inc6: ; preds = %for.end
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end8: ; preds = %for.cond
ret void
}
|