| ; RUN: opt %loadPolly -polly-scops -analyze < %s -stats 2>&1 | FileCheck %s --check-prefix=RTA |
| ; RUN: opt %loadPolly -polly-scops -polly-use-runtime-alias-checks=false -analyze < %s -stats 2>&1 | FileCheck %s --check-prefix=NORTA |
| ; REQUIRES: asserts |
| |
| 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-n8:16:32:64" |
| |
| define void @f(i32** nocapture %ptrs, i64 %p0, i64 %p1, i64 %p2) nounwind { |
| bb.nph: |
| %0 = getelementptr inbounds i32*, i32** %ptrs, i64 %p0 ; <i32**> [#uses=1] |
| %1 = load i32*, i32** %0, align 8 ; <i32*> [#uses=1] |
| %2 = getelementptr inbounds i32*, i32** %ptrs, i64 %p1 ; <i32**> [#uses=1] |
| %3 = load i32*, i32** %2, align 8 ; <i32*> [#uses=1] |
| %4 = getelementptr inbounds i32*, i32** %ptrs, i64 %p2 ; <i32**> [#uses=1] |
| %5 = load i32*, i32** %4, align 8 ; <i32*> [#uses=1] |
| br label %bb |
| |
| bb: ; preds = %bb, %bb.nph |
| %i.03 = phi i64 [ 0, %bb.nph ], [ %tmp, %bb ] ; <i64> [#uses=3] |
| %scevgep = getelementptr i32, i32* %3, i64 %i.03 ; <i32*> [#uses=1] |
| %scevgep4 = getelementptr i32, i32* %5, i64 %i.03 ; <i32*> [#uses=1] |
| %tmp = add i64 %i.03, 1 ; <i64> [#uses=3] |
| %scevgep5 = getelementptr i32, i32* %1, i64 %tmp ; <i32*> [#uses=1] |
| %6 = load i32, i32* %scevgep, align 4 ; <i32> [#uses=1] |
| %7 = load i32, i32* %scevgep4, align 4 ; <i32> [#uses=1] |
| %8 = add nsw i32 %7, %6 ; <i32> [#uses=1] |
| store i32 %8, i32* %scevgep5, align 4 |
| %exitcond = icmp eq i64 %tmp, 64 ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb |
| |
| return: ; preds = %bb |
| ret void |
| } |
| |
| ; RTA: 1 polly-detect - Number of scops |
| ; NORTA: 1 polly-detect - Number of rejected regions: Base address aliasing |
