wraping_signed_expr_4.ll
1.08 KB
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; void f(char *A, char N, char p) {
; for (char i = 0; i < N; i++)
; A[p-1] = 0;
; }
; CHECK: Function: wrap
;
; CHECK: Context:
; CHECK-NEXT: [N, p] -> { : -128 <= N <= 127 and -128 <= p <= 127 }
;
; CHECK: Invalid Context:
; CHECK-NEXT: [N, p] -> { : p = -128 and N > 0 }
target datalayout = "e-m:e-i8:64-f80:128-n8:16:32:64-S128"
define void @wrap(i8* %A, i8 %N, i8 %p) {
bb:
br label %bb2
bb2: ; preds = %bb7, %bb
%indvars.iv = phi i8 [ %indvars.iv.next, %bb7 ], [ 0, %bb ]
%tmp3 = icmp slt i8 %indvars.iv, %N
br i1 %tmp3, label %bb4, label %bb8
bb4: ; preds = %bb2
%tmp5 = add i8 %p, -1
%tmp6 = getelementptr i8, i8* %A, i8 %tmp5
store i8 0, i8* %tmp6, align 4
br label %bb7
bb7: ; preds = %bb4
%indvars.iv.next = add nuw nsw i8 %indvars.iv, 1
br label %bb2
bb8: ; preds = %bb2
ret void
}