llvm-project/polly/test/TempScop/nested-loops.ll

41 lines
1.1 KiB
LLVM

; RUN: opt %loadPolly -polly-detect-unprofitable -polly-scops -analyze < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
define void @f(i64* nocapture %a) nounwind {
entry:
br label %for.i
for.i:
%i = phi i64 [ 0, %entry ], [ %i.inc, %for.j ]
%i.inc = add nsw i64 %i, 1
%exitcond.i = icmp sge i64 %i.inc, 2048
br i1 %exitcond.i, label %return, label %for.j
for.j:
%j = phi i64 [ 0, %for.i ], [ %j.inc, %body ]
%j.inc = add nsw i64 %j, 1
%exitcond.j = icmp slt i64 %j.inc, 1024
br i1 %exitcond.j, label %body, label %for.i
body:
%scevgep = getelementptr i64, i64* %a, i64 %j
store i64 %j, i64* %scevgep
br label %for.j
return:
ret void
}
; CHECK: body
; CHECK: Domain :=
; CHECK: { Stmt_body[i0, i1] :
; CHECK-DAG: i0 >= 0
; CHECK-DAG: and
; CHECK-DAG: i0 <= 2046
; CHECK-DAG: and
; CHECK-DAG: i1 >= 0
; CHECK-DAG: and
; CHECK-DAG: i1 <= 1022
; CHECK: }