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| ; RUN: opt %loadPolly -basicaa -polly-detect -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops=false -analyze < %s | FileCheck %s --check-prefix=REJECTNONAFFINELOOPS
; RUN: opt %loadPolly -basicaa -polly-detect -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops=true -analyze < %s | FileCheck %s --check-prefix=ALLOWNONAFFINELOOPS
; RUN: opt %loadPolly -basicaa -polly-detect -polly-allow-nonaffine -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops=true -analyze < %s | FileCheck %s --check-prefix=ALLOWNONAFFINELOOPSANDACCESSES
; RUN: opt %loadPolly -basicaa -polly-detect -polly-process-unprofitable=false \
; RUN: -polly-allow-nonaffine -polly-allow-nonaffine-branches \
; RUN: -polly-allow-nonaffine-loops=true -analyze < %s \
; RUN: | FileCheck %s --check-prefix=PROFIT
;
; Here we have a non-affine loop but also a non-affine access which should
; be rejected as long as -polly-allow-nonaffine isn't given.
;
; REJECTNONAFFINELOOPS-NOT: Valid
; ALLOWNONAFFINELOOPS-NOT: Valid
; ALLOWNONAFFINELOOPSANDACCESSES: Valid Region for Scop: bb1 => bb13
; PROFIT-NOT: Valid
;
; void f(int * restrict A, int * restrict C) {
; int j = 0;
; for (int i = 0; i < 1024; i++) {
; while ((j = C[j]))
; A[j]++;
; }
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* noalias %A, i32* noalias %C) {
bb:
br label %bb1
bb1: ; preds = %bb12, %bb
%indvars.iv = phi i64 [ %indvars.iv.next, %bb12 ], [ 0, %bb ]
%exitcond = icmp ne i64 %indvars.iv, 1024
br i1 %exitcond, label %bb2, label %bb13
bb2: ; preds = %bb1
br label %bb3
bb3: ; preds = %bb6, %bb2
%indvars.j = phi i32 [ %tmp4, %bb6 ], [ 0, %bb2 ]
%tmp = getelementptr inbounds i32, i32* %C, i32 %indvars.j
%tmp4 = load i32, i32* %tmp, align 4
%tmp5 = icmp eq i32 %tmp4, 0
br i1 %tmp5, label %bb11, label %bb6
bb6: ; preds = %bb3
%tmp7 = sext i32 %tmp4 to i64
%tmp8 = getelementptr inbounds i32, i32* %A, i64 %tmp7
%tmp9 = load i32, i32* %tmp8, align 4
%tmp10 = add nsw i32 %tmp9, 1
store i32 %tmp10, i32* %tmp8, align 4
br label %bb3
bb11: ; preds = %bb3
br label %bb12
bb12: ; preds = %bb11
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %bb1
bb13: ; preds = %bb1
ret void
}
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