1 ; RUN: opt %loadPolly -polly-detect-unprofitable -S -polly-code-generator=isl -polly-codegen-isl < %s | FileCheck %s
3 ; We have to cast %B to "short *" before we create RTCs.
5 ; CHECK: %polly.access.cast.B = bitcast i32* %B to i16*
6 ; CHECK-NEXT: %polly.access.B = getelementptr i16, i16* %polly.access.cast.B, i64 1024
8 ; We should never access %B as an i32 pointer:
10 ; CHECK-NOT: getelementptr i32, i32* %B
12 ; void jd(int *A, int *B) {
13 ; for (int i = 0; i < 1024; i++)
14 ; A[i] = ((short *)B)[i];
17 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
19 define void @jd(i32* %A, i32* %B) {
23 for.cond: ; preds = %for.inc, %entry
24 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
25 %exitcond = icmp ne i64 %indvars.iv, 1024
26 br i1 %exitcond, label %for.body, label %for.end
28 for.body: ; preds = %for.cond
29 %tmp = bitcast i32* %B to i16*
30 %arrayidx = getelementptr inbounds i16, i16* %tmp, i64 %indvars.iv
31 %tmp1 = load i16* %arrayidx, align 2
32 %conv = sext i16 %tmp1 to i32
33 %arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
34 store i32 %conv, i32* %arrayidx2, align 4
37 for.inc: ; preds = %for.body
38 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
41 for.end: ; preds = %for.cond