1 ; RUN: opt %loadPolly -polly-print-ast -disable-output < %s | FileCheck %s
2 ; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s -check-prefix=CODEGEN
3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 define void @foo(ptr %start, ptr %end) {
11 %ptr = phi ptr [ %start, %entry ], [ %ptr2, %body ]
12 %ptr2 = getelementptr inbounds i8, ptr %ptr, i64 1
13 %cmp = icmp eq ptr %ptr2, %end
15 br i1 %cmp, label %exit, label %body
21 ; CHECK: for (int c0 = 0; c0 < -start + end; c0 += 1)
22 ; CHECK: Stmt_body(c0);
24 ; CODEGEN-LABEL: polly.start:
25 ; CODEGEN-NEXT: %[[r0:[._a-zA-Z0-9]*]] = ptrtoint ptr %start to i64
26 ; CODEGEN-NEXT: %[[r1:[._a-zA-Z0-9]*]] = sub nsw i64 0, %[[r0]]
27 ; CODEGEN-NEXT: %[[r2:[._a-zA-Z0-9]*]] = ptrtoint ptr %end to i64
28 ; CODEGEN-NEXT: %[[r4:[._a-zA-Z0-9]*]] = add nsw i64 %[[r1]], %[[r2]]