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https://github.com/RPCS3/llvm-mirror.git
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06ea53fefe
Summary: Make LIT tests unsensitive to analysis output order. Authored By: etiotto llvm-svn: 368450
99 lines
3.4 KiB
LLVM
99 lines
3.4 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], int B[n][m], int C[n]) {
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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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; A[i][j] = A[i][j+1] + B[i-1][j] + B[i+1][j+1] + C[i];
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; A[i][j] += B[i][i];
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; }
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; }
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; CHECK-DAG: Loop 'for.i' has cost = 20600
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; CHECK-DAG: Loop 'for.j' has cost = 800
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define void @foo(i64 %n, i64 %m, i32* %A, i32* %B, i32* %C) {
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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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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 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 ]
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%subione = sub i64 %i, 1
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%addione = add i64 %i, 1
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%muli = mul i64 %i, %m
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%muliminusone = mul i64 %subione, %m
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%muliplusone = mul i64 %addione, %m
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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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%addj = add i64 %muli, %j
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; B[i-1][j]
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%arrayidx1 = add i64 %j, %muliminusone
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%arrayidx2 = getelementptr inbounds i32, i32* %B, i64 %arrayidx1
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%elem_B1 = load i32, i32* %arrayidx2, align 4
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; B[i-1][j+1]
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%addjone = add i64 %j, 1
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%arrayidx3 = add i64 %addjone, %muliminusone
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%arrayidx4 = getelementptr inbounds i32, i32* %B, i64 %arrayidx3
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%elem_B2 = load i32, i32* %arrayidx4, align 4
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; C[i]
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%arrayidx6 = getelementptr inbounds i32, i32* %C, i64 %i
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%elem_C = load i32, i32* %arrayidx6, align 4
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; A[i][j+1]
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%arrayidx7 = add i64 %addjone, %muli
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%arrayidx8 = getelementptr inbounds i32, i32* %A, i64 %arrayidx7
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%elem_A = load i32, i32* %arrayidx8, align 4
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; A[i][j] = A[i][j+1] + B[i-1][j] + B[i-1][j+1] + C[i]
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%addB = add i32 %elem_B1, %elem_B2
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%addC = add i32 %addB, %elem_C
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%addA = add i32 %elem_A, %elem_C
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%arrayidx9 = add i64 %j, %muli
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%arrayidx10 = getelementptr inbounds i32, i32* %A, i64 %arrayidx9
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store i32 %addA, i32* %arrayidx10, align 4
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; A[i][j] += B[i][i];
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%arrayidx11 = add i64 %j, %muli
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%arrayidx12 = getelementptr inbounds i32, i32* %A, i64 %arrayidx11
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%elem_A1 = load i32, i32* %arrayidx12, align 4
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%arrayidx13 = add i64 %i, %muli
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%arrayidx14 = getelementptr inbounds i32, i32* %B, i64 %arrayidx13
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%elem_B3 = load i32, i32* %arrayidx14, align 4
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%addA1 = add i32 %elem_A1, %elem_B3
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store i32 %addA1, i32* %arrayidx12, align 4
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br label %for.incj
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for.incj: ; preds = %for.j
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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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