forked from OSchip/llvm-project
45 lines
1.2 KiB
LLVM
45 lines
1.2 KiB
LLVM
; RUN: opt %loadPolly -polly-print-detect -disable-output < %s | FileCheck %s
|
|
; RUN: opt %loadPolly -polly-codegen -disable-output < %s
|
|
|
|
; void f(long A[], long N) {
|
|
; long i, j;
|
|
; if (true)
|
|
; for (j = 0; j < N; ++j)
|
|
; for (i = 0; i < N; ++i)
|
|
; A[i] = i;
|
|
; }
|
|
|
|
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* %A, i64 %N) nounwind {
|
|
entry:
|
|
fence seq_cst
|
|
br label %next
|
|
|
|
next:
|
|
br i1 true, label %for.j, label %return
|
|
|
|
for.j:
|
|
%j.015 = phi i64 [ %inc5, %for.inc8 ], [ 0, %next ]
|
|
br label %for.i
|
|
|
|
for.i:
|
|
%indvar = phi i64 [ 0, %for.j], [ %indvar.next, %for.i ]
|
|
%scevgep = getelementptr i64, i64* %A, i64 %indvar
|
|
store i64 %indvar, i64* %scevgep
|
|
%indvar.next = add nsw i64 %indvar, 1
|
|
%exitcond = icmp eq i64 %indvar.next, %N
|
|
br i1 %exitcond, label %for.inc8, label %for.i
|
|
|
|
for.inc8: ; preds = %for.body3
|
|
%inc5 = add nsw i64 %j.015, 1
|
|
%exitcond16 = icmp eq i64 %inc5, %N
|
|
br i1 %exitcond16, label %return, label %for.j
|
|
|
|
return:
|
|
fence seq_cst
|
|
ret void
|
|
}
|
|
|
|
; CHECK: Valid Region for Scop: next => return
|