| ; RUN: opt %loadPolly %defaultOpts -polly-cloog -analyze -analyze %s | not FileCheck %s |
| |
| ;void f(long a[][128], long N, long M) { |
| ; long i, j; |
| ; for (j = 0; j < M; ++j) |
| ; for (i = 0; i < rnd(); ++i) |
| ; ... |
| ;} |
| |
| 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" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @f([128 x i64]* nocapture %a, i64 %N, i64 %M) nounwind { |
| entry: |
| %0 = icmp sgt i64 %M, 0 ; <i1> [#uses=1] |
| br i1 %0, label %bb2.preheader, label %return |
| |
| bb1: ; preds = %bb2.preheader, %bb1 |
| %i.06 = phi i64 [ 0, %bb2.preheader ], [ %1, %bb1 ] ; <i64> [#uses=3] |
| %scevgep = getelementptr [128 x i64]* %a, i64 %i.06, i64 %5 ; <i64*> [#uses=1] |
| %tmp = add i64 %i.06, %N ; <i64> [#uses=1] |
| store i64 %tmp, i64* %scevgep, align 8 |
| %1 = add nsw i64 %i.06, 1 ; <i64> [#uses=2] |
| %2 = tail call i64 (...)* @rnd() nounwind ; <i64> [#uses=1] |
| %3 = icmp sgt i64 %2, %1 ; <i1> [#uses=1] |
| br i1 %3, label %bb1, label %bb3 |
| |
| bb3: ; preds = %bb2.preheader, %bb1 |
| %4 = add i64 %5, 1 ; <i64> [#uses=2] |
| %exitcond = icmp eq i64 %4, %M ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb2.preheader |
| |
| bb2.preheader: ; preds = %bb3, %entry |
| %5 = phi i64 [ %4, %bb3 ], [ 0, %entry ] ; <i64> [#uses=2] |
| %6 = tail call i64 (...)* @rnd() nounwind ; <i64> [#uses=1] |
| %7 = icmp sgt i64 %6, 0 ; <i1> [#uses=1] |
| br i1 %7, label %bb1, label %bb3 |
| |
| return: ; preds = %bb3, %entry |
| ret void |
| } |
| |
| declare i64 @rnd(...) |
| |
| ; CHECK: Scop! |
