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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; CHECK: [M, N] -> { Stmt_while_body[i0] : i0 > 0 and 4i0 <= -M + N; Stmt_while_body[0] };
;
; void f(int *A, int N, int M) {
; int i = 0;
; while (M <= N) {
; A[i++] = 1;
; M += 4;
; }
; }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
define void @f(i32* nocapture %A, i32 %N, i32 %M) {
entry:
%cmp3 = icmp sgt i32 %M, %N
br i1 %cmp3, label %while.end, label %while.body.preheader
while.body.preheader:
br label %while.body
while.body:
%i.05 = phi i32 [ %inc, %while.body ], [ 0, %while.body.preheader ]
%M.addr.04 = phi i32 [ %add, %while.body ], [ %M, %while.body.preheader ]
%inc = add nuw nsw i32 %i.05, 1
%arrayidx = getelementptr inbounds i32, i32* %A, i32 %i.05
store i32 1, i32* %arrayidx, align 4
%add = add nsw i32 %M.addr.04, 4
%cmp = icmp sgt i32 %add, %N
br i1 %cmp, label %while.end.loopexit, label %while.body
while.end.loopexit:
br label %while.end
while.end:
ret void
}
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