Mercurial > hg > CbC > CbC_llvm
view polly/test/ScopDetect/non-affine-loop-condition-dependent-access.ll @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Fri, 18 Aug 2023 09:04:13 +0900 |
parents | c4bab56944e8 |
children |
line wrap: on
line source
; RUN: opt %loadPolly -basic-aa -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops=false -polly-print-detect -disable-output < %s | FileCheck %s --check-prefix=REJECTNONAFFINELOOPS ; RUN: opt %loadPolly -basic-aa -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops=true -polly-print-detect -disable-output < %s | FileCheck %s --check-prefix=ALLOWNONAFFINELOOPS ; RUN: opt %loadPolly -basic-aa -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops=true -polly-allow-nonaffine -polly-print-detect -disable-output < %s | FileCheck %s --check-prefix=ALLOWNONAFFINELOOPSANDACCESSES ; RUN: opt %loadPolly -basic-aa -polly-allow-nonaffine-branches -polly-allow-nonaffine-loops=true -polly-allow-nonaffine -polly-process-unprofitable=false -polly-print-detect -disable-output < %s | 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(ptr noalias %A, ptr 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, ptr %C, i32 %indvars.j %tmp4 = load i32, ptr %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, ptr %A, i64 %tmp7 %tmp9 = load i32, ptr %tmp8, align 4 %tmp10 = add nsw i32 %tmp9, 1 store i32 %tmp10, ptr %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 }