blob: 28da51460f60a387cfd7be5921bc26db7f094687 [file] [log] [blame]
; 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
}