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| ; 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 %a, i32* nocapture %b) nounwind {
bb.nph:
%0 = tail call i32 (...) @rnd() nounwind ; <i32> [#uses=1]
%1 = icmp eq i32 %0, 0 ; <i1> [#uses=1]
%sel.b = getelementptr inbounds i32, i32* %b, i64 4
%iftmp.0.0 = select i1 %1, i32* %sel.b, i32* %a ; <i32*> [#uses=2]
br label %bb3
bb3: ; preds = %bb3, %bb.nph
%i.06 = phi i64 [ 0, %bb.nph ], [ %tmp, %bb3 ] ; <i64> [#uses=3]
%scevgep = getelementptr i32, i32* %a, i64 %i.06 ; <i32*> [#uses=1]
%scevgep7 = getelementptr i32, i32* %iftmp.0.0, i64 %i.06 ; <i32*> [#uses=1]
%tmp = add i64 %i.06, 1 ; <i64> [#uses=3]
%scevgep8 = getelementptr i32, i32* %iftmp.0.0, i64 %tmp ; <i32*> [#uses=1]
%2 = load i32, i32* %scevgep, align 4 ; <i32> [#uses=1]
%3 = load i32, i32* %scevgep8, align 4 ; <i32> [#uses=1]
%4 = shl i32 %3, 1 ; <i32> [#uses=1]
%5 = add nsw i32 %4, %2 ; <i32> [#uses=1]
store i32 %5, i32* %scevgep7, align 4
%exitcond = icmp eq i64 %tmp, 64 ; <i1> [#uses=1]
br i1 %exitcond, label %return, label %bb3
return: ; preds = %bb3
ret void
}
declare i32 @rnd(...)
; RTA: 1 polly-detect - Number of scops
; NORTA: 1 polly-detect - Number of rejected regions: Base address aliasing
|