| ; RUN: opt %loadPolly -polly-detect-unprofitable -polly-code-generator=isl -polly-codegen -S < %s | FileCheck %s |
| ; |
| ; void jd(int *A, int *B, int c) { |
| ; for (int i = 0; i < 1024; i++) |
| ; A[i] = B[c]; |
| ; } |
| ; |
| ; CHECK: %[[AMax:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %A, i64 1024 |
| ; CHECK: %[[BMin:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %B, i32 %c |
| ; CHECK: %[[AltB:[._a-zA-Z0-9]*]] = icmp ule i32* %[[AMax]], %[[BMin]] |
| ; CHECK: %[[Cext:[._a-zA-Z0-9]*]] = sext i32 %c to i64 |
| ; CHECK: %[[Cp1:[._a-zA-Z0-9]*]] = add nsw i64 %[[Cext]], 1 |
| ; CHECK: %[[BMax:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %B, i64 %[[Cp1]] |
| ; CHECK: %[[AMin:[._a-zA-Z0-9]*]] = getelementptr i32, i32* %A, i64 0 |
| ; CHECK: %[[BltA:[._a-zA-Z0-9]*]] = icmp ule i32* %[[BMax]], %[[AMin]] |
| ; CHECK: %[[NoAlias:[._a-zA-Z0-9]*]] = or i1 %[[AltB]], %[[BltA]] |
| ; CHECK: %[[RTC:[._a-zA-Z0-9]*]] = and i1 true, %[[NoAlias]] |
| ; CHECK: br i1 %[[RTC]], label %polly.start, label %for.cond |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @jd(i32* %A, i32* %B, i32 %c) { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] |
| %exitcond = icmp ne i64 %indvars.iv, 1024 |
| br i1 %exitcond, label %for.body, label %for.end |
| |
| for.body: ; preds = %for.cond |
| %idxprom = sext i32 %c to i64 |
| %arrayidx = getelementptr inbounds i32, i32* %B, i64 %idxprom |
| %tmp = load i32, i32* %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv |
| store i32 %tmp, i32* %arrayidx2, align 4 |
| br label %for.inc |
| |
| for.inc: ; preds = %for.body |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| br label %for.cond |
| |
| for.end: ; preds = %for.cond |
| ret void |
| } |