ranged_parameter_wrap.ll
1.28 KB
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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; Check that the constraints on the parameter derived from the
; __wrapping__ range metadata (see bottom of the file) are present:
;
; CHECK: Context:
; CHECK: [tmp] -> { : -2147483648 <= tmp <= 2147483647 and (tmp >= 256 or tmp < 0) }
;
; void jd(int *A, int *p /* in [256, 0) */) {
; for (int i = 0; i < 1024; i++)
; A[i + *p] = i;
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @jd(i32* %A, i32* %p) {
entry:
%tmp = load i32, i32* %p, align 4, !range !0
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %i.0, 1024
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%add = add i32 %i.0, %tmp
%idxprom = sext i32 %add to i64
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %idxprom
store i32 %i.0, i32* %arrayidx, align 4
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i32 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
!0 = !{ i32 256, i32 0 }