diff polly/test/ScopInfo/invariant_load_base_pointer_conditional.ll @ 150:1d019706d866

LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
parents
children c4bab56944e8
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/polly/test/ScopInfo/invariant_load_base_pointer_conditional.ll	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,51 @@
+; 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
+}