forked from OSchip/llvm-project
39 lines
1.3 KiB
LLVM
39 lines
1.3 KiB
LLVM
; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s
|
|
;
|
|
; TODO: FIXME: Investigate why we need a InvalidContext here.
|
|
;
|
|
; void f(int *A, int *B) {
|
|
; while (A != B) {
|
|
; *A = *A + 1;
|
|
; A++;
|
|
; }
|
|
; }
|
|
;
|
|
; CHECK: Invalid Context:
|
|
; CHECK-NEXT: [A, B] -> { : (4*floor((A - B)/4) < A - B) or ((-A + B) mod 4 = 0 and B >= 9223372036854775808 + A) or ((-A + B) mod 4 = 0 and B <= -4 + A) }
|
|
;
|
|
; CHECK: Domain :=
|
|
; CHECK-NEXT: [A, B] -> { Stmt_while_body[i0] : (-A + B) mod 4 = 0 and i0 >= 0 and 4i0 <= -4 - A + B };
|
|
;
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @f(i32* %A, i32* %B) {
|
|
entry:
|
|
br label %while.cond
|
|
|
|
while.cond: ; preds = %while.body, %entry
|
|
%A.addr.0 = phi i32* [ %A, %entry ], [ %incdec.ptr, %while.body ]
|
|
%cmp = icmp eq i32* %A.addr.0, %B
|
|
br i1 %cmp, label %while.end, label %while.body
|
|
|
|
while.body: ; preds = %while.cond
|
|
%tmp = load i32, i32* %A.addr.0, align 4
|
|
%add = add nsw i32 %tmp, 1
|
|
store i32 %add, i32* %A.addr.0, align 4
|
|
%incdec.ptr = getelementptr inbounds i32, i32* %A.addr.0, i64 1
|
|
br label %while.cond
|
|
|
|
while.end: ; preds = %while.cond
|
|
ret void
|
|
}
|