forked from OSchip/llvm-project
52 lines
1.7 KiB
LLVM
52 lines
1.7 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -polly-invariant-load-hoisting=true -polly-ignore-aliasing -polly-process-unprofitable -analyze < %s | FileCheck %s
|
|
;
|
|
; CHECK: Invariant Accesses:
|
|
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
|
|
; CHECK-NEXT: [N] -> { Stmt_bb5[i0] -> MemRef_BPLoc[0] };
|
|
;
|
|
; void f(int **BPLoc, int *A, int N) {
|
|
; for (int i = 0; i < N; i++)
|
|
; if (i > 512)
|
|
; (*BPLoc)[i] = 0;
|
|
; else
|
|
; A[i] = 0;
|
|
; }
|
|
;
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @f(i32** %BPLoc, i32* %A, i32 %N) {
|
|
bb:
|
|
%tmp = sext i32 %N to i64
|
|
br label %bb1
|
|
|
|
bb1: ; preds = %bb11, %bb
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %bb11 ], [ 0, %bb ]
|
|
%tmp2 = icmp slt i64 %indvars.iv, %tmp
|
|
br i1 %tmp2, label %bb3, label %bb12
|
|
|
|
bb3: ; preds = %bb1
|
|
%tmp4 = icmp sgt i64 %indvars.iv, 512
|
|
br i1 %tmp4, label %bb5, label %bb8
|
|
|
|
bb5: ; preds = %bb3
|
|
%tmp6 = load i32*, i32** %BPLoc, align 8
|
|
%tmp7 = getelementptr inbounds i32, i32* %tmp6, i64 %indvars.iv
|
|
store i32 0, i32* %tmp7, align 4
|
|
br label %bb10
|
|
|
|
bb8: ; preds = %bb3
|
|
%tmp9 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
|
store i32 0, i32* %tmp9, align 4
|
|
br label %bb10
|
|
|
|
bb10: ; preds = %bb8, %bb5
|
|
br label %bb11
|
|
|
|
bb11: ; preds = %bb10
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
br label %bb1
|
|
|
|
bb12: ; preds = %bb1
|
|
ret void
|
|
}
|