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; RUN: opt %loadPolly -polly-print-scops -disable-output < %s | FileCheck %s
;
; void f(char *A, short N) {
; for (short i = 0; i < N; i++)
; A[(char)(N)]++;
; }
;
; FIXME: We should the truncate precisely... or just make it a separate parameter.
; CHECK: Assumed Context:
; CHECK-NEXT: [N] -> { : }
; CHECK-NEXT: Invalid Context:
; CHECK-NEXT: [N] -> { : N >= 128 }
;
; CHECK: ReadAccess := [Reduction Type: +] [Scalar: 0]
; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[N] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
; CHECK-NEXT: [N] -> { Stmt_for_body[i0] -> MemRef_A[N] };
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(ptr %A, i16 signext %N) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i16 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%cmp = icmp slt i16 %indvars.iv, %N
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%idxprom = trunc i16 %N to i8
%arrayidx = getelementptr inbounds i8, ptr %A, i8 %idxprom
%tmp1 = load i8, ptr %arrayidx, align 1
%inc = add i8 %tmp1, 1
store i8 %inc, ptr %arrayidx, align 1
br label %for.inc
for.inc: ; preds = %for.body
%indvars.iv.next = add nuw nsw i16 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
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