Mercurial > hg > CbC > CbC_llvm
view polly/test/IstAstInfo/reduction_in_one_dimension.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-ast -polly-ast-detect-parallel -disable-output < %s | FileCheck %s ; RUN: opt %loadPolly -print-polyhedral-info -polly-check-parallel -disable-output < %s | FileCheck %s -check-prefix=PINFO ; ; Verify that we won't privatize anything in the outer dimension ; ; CHECK: #pragma known-parallel ; PINFO: for.cond: Loop is parallel. ; CHECK: for (int c0 = 0; c0 < 2 * n; c0 += 1) ; CHECK: #pragma simd reduction ; PINFO-NEXT: for.cond1: Loop is not parallel. ; CHECK: for (int c1 = 0; c1 <= 1023; c1 += 1) ; CHECK: Stmt_for_body3(c0, c1); ; ; void foo(int *A, long n) { ; for (long i = 0; i < 2 * n; i++) ; for (long j = 0; j < 1024; j++) ; A[i] += i; ; } ; target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" define void @foo(ptr %A, i32 %n) { entry: br label %for.cond for.cond: ; preds = %for.inc4, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc5, %for.inc4 ] %mul = shl nsw i32 %n, 1 %cmp = icmp slt i32 %i.0, %mul br i1 %cmp, label %for.body, label %for.end6 for.body: ; preds = %for.cond br label %for.cond1 for.cond1: ; preds = %for.inc, %for.body %j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ] %exitcond = icmp ne i32 %j.0, 1024 br i1 %exitcond, label %for.body3, label %for.end for.body3: ; preds = %for.cond1 %arrayidx = getelementptr inbounds i32, ptr %A, i32 %i.0 %tmp = load i32, ptr %arrayidx, align 4 %add = add nsw i32 %tmp, %i.0 store i32 %add, ptr %arrayidx, align 4 br label %for.inc for.inc: ; preds = %for.body3 %inc = add nsw i32 %j.0, 1 br label %for.cond1 for.end: ; preds = %for.cond1 br label %for.inc4 for.inc4: ; preds = %for.end %inc5 = add nsw i32 %i.0, 1 br label %for.cond for.end6: ; preds = %for.cond ret void }