forked from OSchip/llvm-project
52 lines
1.6 KiB
LLVM
52 lines
1.6 KiB
LLVM
; RUN: opt < %s -analyze -basicaa -da
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;; Check this doesn't crash.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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;; struct s {
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;; int A[10][10];
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;; int C[10][10][10];
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;; } S;
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;; void dep_constraint_crash_test(int k,int N) {
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;; for( int i=0;i<N;i++)
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;; for( int j=0;j<N;j++)
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;; S.A[0][0] = S.C[0][0][k];
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;; }
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%struct.s = type { [10 x [10 x i32]], [10 x [10 x [10 x i32]]] }
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@S = common global %struct.s zeroinitializer
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define void @dep_constraint_crash_test(i32 %k, i32 %N) {
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entry:
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%cmp12 = icmp sgt i32 %N, 0
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br i1 %cmp12, label %for.cond1.preheader.lr.ph, label %for.end6
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for.cond1.preheader.lr.ph:
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%idxprom = sext i32 %k to i64
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%arrayidx = getelementptr inbounds %struct.s, %struct.s* @S, i64 0, i32 1, i64 0, i64 0, i64 %idxprom
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br label %for.body3.preheader
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for.body3.preheader:
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%i.013 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc5, %for.inc4 ]
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br label %for.body3
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for.body3:
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%j.011 = phi i32 [ %inc, %for.body3 ], [ 0, %for.body3.preheader ]
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%0 = load i32, i32* %arrayidx
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store i32 %0, i32* getelementptr inbounds (%struct.s, %struct.s* @S, i64 0, i32 0, i64 0, i64 0)
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%inc = add nuw nsw i32 %j.011, 1
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%exitcond = icmp eq i32 %inc, %N
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br i1 %exitcond, label %for.inc4, label %for.body3
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for.inc4:
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%inc5 = add nuw nsw i32 %i.013, 1
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%exitcond14 = icmp eq i32 %inc5, %N
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br i1 %exitcond14, label %for.end6, label %for.body3.preheader
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for.end6:
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ret void
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}
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