forked from OSchip/llvm-project
80 lines
2.6 KiB
LLVM
80 lines
2.6 KiB
LLVM
; RUN: opt %loadPolly -polly-dependences -analyze -basicaa < %s | FileCheck %s
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;
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; CHECK: RAW dependences:
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; CHECK: { }
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; CHECK: WAR dependences:
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; CHECK: { }
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; CHECK: WAW dependences:
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; CHECK: { }
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; CHECK: Reduction dependences:
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; CHECK-DAG: Stmt_for_body3[i0, i1] -> Stmt_for_body3[i0, 1 + i1] : i0 <= 99 and i0 >= 0 and i1 <= 98 and i1 >= 0
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; CHECK-DAG: Stmt_for_body3[i0, 99] -> Stmt_for_body3[1 + i0, 0] : i0 <= 98 and i0 >= 0
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;
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; int f(int * restrict A, int * restrict sum) {
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; int i, j, k;
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; for (i = 0; i < 100; i++) {
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; for (j = 0; j < 100; j++) {
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; sum += A[i+j];
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; for (k = 0; k< 100; k++) {}
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; }
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; }
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; return sum;
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; }
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
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define void @f(i32* noalias %A, i32* noalias %sum) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc11, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc12, %for.inc11 ]
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%exitcond2 = icmp ne i32 %i.0, 100
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br i1 %exitcond2, label %for.body, label %for.end13
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for.body: ; preds = %for.cond
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br label %for.cond1
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for.cond1: ; preds = %for.inc8, %for.body
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%j.0 = phi i32 [ 0, %for.body ], [ %inc9, %for.inc8 ]
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%exitcond1 = icmp ne i32 %j.0, 100
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br i1 %exitcond1, label %for.body3, label %for.end10
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for.body3: ; preds = %for.cond1
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%add = add nsw i32 %i.0, %j.0
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%arrayidx = getelementptr inbounds i32, i32* %A, i32 %add
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%tmp3 = load i32, i32* %arrayidx, align 4
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%tmp4 = load i32, i32* %sum, align 4
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%add4 = add nsw i32 %tmp4, %tmp3
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store i32 %add4, i32* %sum, align 4
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br label %for.cond5
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for.cond5: ; preds = %for.inc, %for.body3
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%k.0 = phi i32 [ 0, %for.body3 ], [ %inc, %for.inc ]
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%exitcond = icmp ne i32 %k.0, 100
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br i1 %exitcond, label %for.body7, label %for.end
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for.body7: ; preds = %for.cond5
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br label %for.inc
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for.inc: ; preds = %for.body7
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%inc = add nsw i32 %k.0, 1
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br label %for.cond5
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for.end: ; preds = %for.cond5
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br label %for.inc8
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for.inc8: ; preds = %for.end
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%inc9 = add nsw i32 %j.0, 1
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br label %for.cond1
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for.end10: ; preds = %for.cond1
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br label %for.inc11
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for.inc11: ; preds = %for.end10
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%inc12 = add nsw i32 %i.0, 1
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br label %for.cond
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for.end13: ; preds = %for.cond
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ret void
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}
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