error-stmt-in-non-affine-region.ll
1.71 KB
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; RUN: opt %loadPolly -S -polly-codegen < %s | FileCheck %s
; XFAIL: *
;
; CHECK-LABEL: polly.stmt.if.then:
; CHECK-NEXT: unreachable
;
; void f(int *A, int N) {
; for (int i = 0; i < 1024; i++)
; if (i == N) {
; if (A[i])
; abort();
; else
; A[i] = i;
; }
; }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %A, i64 %N) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%cmp = icmp slt i64 %indvars.iv, 1024
br i1 %cmp, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp = load i32, i32* %arrayidx, align 4
%cmp.outer = icmp eq i64 %indvars.iv, %N
br i1 %cmp.outer, label %if.then.outer, label %for.inc
if.then.outer:
%tobool = icmp eq i32 %tmp, 0
br i1 %tobool, label %if.else, label %if.then
if.then: ; preds = %for.body
call void @abort()
unreachable
if.else: ; preds = %for.body
%arrayidx2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp1 = trunc i64 %indvars.iv to i32
store i32 %tmp1, i32* %arrayidx2, align 4
br label %if.end
if.end: ; preds = %if.else
br label %for.inc
for.inc: ; preds = %if.end
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
declare void @abort()