2012-11-05 00:56:20 +08:00
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; RUN: opt %loadPolly %defaultOpts -polly-analyze-ir -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly %defaultOpts -polly-analyze-ir -analyze < %s | FileCheck %s
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2011-04-29 14:27:02 +08:00
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; XFAIL: *
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;void f(long a[], long N) {
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; long i;
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; for (i = 0; i < N; ++i)
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; a[i] = i;
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; if (N > 0)
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; a[2 * N + 5 ] = 0;
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; else
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; a[5] = 0;
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;}
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @f(i64* nocapture %a, i64 %N) nounwind {
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entry:
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%0 = icmp sgt i64 %N, 0 ; <i1> [#uses=2]
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br i1 %0, label %bb, label %bb4
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bb: ; preds = %bb, %entry
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%1 = phi i64 [ 0, %entry ], [ %2, %bb ] ; <i64> [#uses=3]
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%scevgep = getelementptr i64* %a, i64 %1 ; <i64*> [#uses=1]
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store i64 %1, i64* %scevgep, align 8
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%2 = add nsw i64 %1, 1 ; <i64> [#uses=2]
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%exitcond = icmp eq i64 %2, %N ; <i1> [#uses=1]
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br i1 %exitcond, label %bb2, label %bb
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bb2: ; preds = %bb
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br i1 %0, label %bb3, label %bb4
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bb3: ; preds = %bb2
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%3 = shl i64 %N, 1 ; <i64> [#uses=1]
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%4 = add nsw i64 %3, 5 ; <i64> [#uses=1]
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%5 = getelementptr inbounds i64* %a, i64 %4 ; <i64*> [#uses=1]
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store i64 0, i64* %5, align 8
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ret void
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bb4: ; preds = %bb2, %entry
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%6 = getelementptr inbounds i64* %a, i64 5 ; <i64*> [#uses=1]
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store i64 0, i64* %6, align 8
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ret void
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}
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; CHECK: Scop: entry => <Function Return> Parameters: (%N, )
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