forked from OSchip/llvm-project
78 lines
2.6 KiB
LLVM
78 lines
2.6 KiB
LLVM
; RUN: opt < %s -passes='print<loop-cache-cost>' -disable-output 2>&1 | FileCheck %s
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target datalayout = "e-m:e-i64:64-n32:64"
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target triple = "powerpc64le-unknown-linux-gnu"
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; void foo(long n, long m, long o, int A[n][m][o]) {
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; for (long i = 0; i < n; i++)
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; for (long j = 0; j < m; j++)
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; for (long k = 0; k < o; k++)
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; A[2*i+3][3*j-4][2*k+7] = 1;
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; }
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; CHECK-DAG: Loop 'for.i' has cost = 1000000
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; CHECK-DAG: Loop 'for.j' has cost = 1000000
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; CHECK-DAG: Loop 'for.k' has cost = 60000
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define void @foo(i64 %n, i64 %m, i64 %o, i32* %A) {
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entry:
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%cmp32 = icmp sgt i64 %n, 0
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%cmp230 = icmp sgt i64 %m, 0
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%cmp528 = icmp sgt i64 %o, 0
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br i1 %cmp32, label %for.cond1.preheader.lr.ph, label %for.end
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for.cond1.preheader.lr.ph: ; preds = %entry
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br i1 %cmp230, label %for.i.preheader, label %for.end
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for.i.preheader: ; preds = %for.cond1.preheader.lr.ph
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br i1 %cmp528, label %for.i.preheader.split, label %for.end
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for.i.preheader.split: ; preds = %for.i.preheader
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br label %for.i
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for.i: ; preds = %for.inci, %for.i.preheader.split
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%i = phi i64 [ %inci, %for.inci ], [ 0, %for.i.preheader.split ]
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%mul8 = shl i64 %i, 1
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%add9 = add nsw i64 %mul8, 3
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%0 = mul i64 %add9, %m
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%sub = add i64 %0, -4
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br label %for.j
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for.j: ; preds = %for.incj, %for.i
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%j = phi i64 [ %incj, %for.incj ], [ 0, %for.i ]
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%mul7 = mul nsw i64 %j, 3
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%tmp = add i64 %sub, %mul7
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%tmp27 = mul i64 %tmp, %o
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br label %for.k
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for.k: ; preds = %for.k, %for.j.us
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%k = phi i64 [ 0, %for.j ], [ %inck, %for.k ]
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%mul = mul nsw i64 %k, 2
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%arrayidx.sum = add i64 %mul, 7
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%arrayidx10.sum = add i64 %arrayidx.sum, %tmp27
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%arrayidx11 = getelementptr inbounds i32, i32* %A, i64 %arrayidx10.sum
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store i32 1, i32* %arrayidx11, align 4
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%inck = add nsw i64 %k, 1
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%exitcond.us = icmp eq i64 %inck, %o
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br i1 %exitcond.us, label %for.incj, label %for.k
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for.incj: ; preds = %for.k
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%incj = add nsw i64 %j, 1
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%exitcond54.us = icmp eq i64 %incj, %m
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br i1 %exitcond54.us, label %for.inci, label %for.j
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for.inci: ; preds = %for.incj
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%inci = add nsw i64 %i, 1
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%exitcond55.us = icmp eq i64 %inci, %n
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br i1 %exitcond55.us, label %for.end.loopexit, label %for.i
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for.end.loopexit: ; preds = %for.inci
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br label %for.end
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for.end: ; preds = %for.end.loopexit, %for.cond1.preheader.lr.ph, %entry
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ret void
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}
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