Mercurial > hg > CbC > CbC_llvm
view polly/test/ScopInfo/reduction_two_identical_reads.ll @ 252:1f2b6ac9f198 llvm-original
LLVM16-1
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 18 Aug 2023 09:04:13 +0900 |
parents | c4bab56944e8 |
children |
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; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s ; RUN: opt %loadPolly -polly-print-function-scops -disable-output < %s | FileCheck %s ; ; CHECK: Reduction Type: NONE ; ; Check that we do not mark these accesses as reduction like. ; We do this for the case the loads are modelt with the same LLVM-IR value and ; for the case there are different LLVM-IR values. ; ; void f(int *A) { ; for (int i = 0; i < 1024; i++) ; A[i] = A[i] + A[i]; ; } ; target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" define void @f_one_load_case(ptr %A) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] %exitcond = icmp ne i32 %i.0, 1024 br i1 %exitcond, label %for.body, label %for.end for.body: ; preds = %for.cond %arrayidx = getelementptr inbounds i32, ptr %A, i32 %i.0 %tmp = load i32, ptr %arrayidx, align 4 %add = add nsw i32 %tmp, %tmp %arrayidx2 = getelementptr inbounds i32, ptr %A, i32 %i.0 store i32 %add, ptr %arrayidx2, align 4 br label %for.inc for.inc: ; preds = %for.body %inc = add nsw i32 %i.0, 1 br label %for.cond for.end: ; preds = %for.cond ret void } define void @f_two_loads_case(ptr %A) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] %exitcond = icmp ne i32 %i.0, 1024 br i1 %exitcond, label %for.body, label %for.end for.body: ; preds = %for.cond %arrayidx = getelementptr inbounds i32, ptr %A, i32 %i.0 %tmp = load i32, ptr %arrayidx, align 4 %arrayidxCopy = getelementptr inbounds i32, ptr %A, i32 %i.0 %tmpCopy = load i32, ptr %arrayidxCopy, align 4 %add = add nsw i32 %tmp, %tmpCopy %arrayidx2 = getelementptr inbounds i32, ptr %A, i32 %i.0 store i32 %add, ptr %arrayidx2, align 4 br label %for.inc for.inc: ; preds = %for.body %inc = add nsw i32 %i.0, 1 br label %for.cond for.end: ; preds = %for.cond ret void }