UsefulGEP.ll
1.71 KB
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; RUN: opt < %s -disable-output "-passes=print<da>" -aa-pipeline=basic-aa 2>&1
; RUN: opt < %s -analyze -enable-new-pm=0 -basic-aa -da
;; Check this doesn't crash.
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
;; struct s {
;; int A[10][10];
;; int C[10][10][10];
;; } S;
;; void dep_constraint_crash_test(int k,int N) {
;; for( int i=0;i<N;i++)
;; for( int j=0;j<N;j++)
;; S.A[0][0] = S.C[0][0][k];
;; }
%struct.s = type { [10 x [10 x i32]], [10 x [10 x [10 x i32]]] }
@S = common global %struct.s zeroinitializer
define void @dep_constraint_crash_test(i32 %k, i32 %N) {
entry:
%cmp12 = icmp sgt i32 %N, 0
br i1 %cmp12, label %for.cond1.preheader.lr.ph, label %for.end6
for.cond1.preheader.lr.ph:
%idxprom = sext i32 %k to i64
%arrayidx = getelementptr inbounds %struct.s, %struct.s* @S, i64 0, i32 1, i64 0, i64 0, i64 %idxprom
br label %for.body3.preheader
for.body3.preheader:
%i.013 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc5, %for.inc4 ]
br label %for.body3
for.body3:
%j.011 = phi i32 [ %inc, %for.body3 ], [ 0, %for.body3.preheader ]
%0 = load i32, i32* %arrayidx
store i32 %0, i32* getelementptr inbounds (%struct.s, %struct.s* @S, i64 0, i32 0, i64 0, i64 0)
%inc = add nuw nsw i32 %j.011, 1
%exitcond = icmp eq i32 %inc, %N
br i1 %exitcond, label %for.inc4, label %for.body3
for.inc4:
%inc5 = add nuw nsw i32 %i.013, 1
%exitcond14 = icmp eq i32 %inc5, %N
br i1 %exitcond14, label %for.end6, label %for.body3.preheader
for.end6:
ret void
}