1; RUN: opt %loadNPMPolly -passes=polly-codegen -polly-invariant-load-hoisting=true -polly-ignore-aliasing -polly-process-unprofitable -S < %s | FileCheck %s 2; 3; CHECK-LABEL: polly.preload.begin: 4; CHECK: %polly.access.B = getelementptr i32, ptr %B, i64 0 5; CHECK: %polly.access.B.load = load i32, ptr %polly.access.B 6; 7; CHECK-LABEL: polly.stmt.bb2.split: 8; CHECK-NEXT: %[[offset:.*]] = shl nuw nsw i64 %polly.indvar, 2 9; CHECK-NEXT: %scevgep = getelementptr i8, ptr %A, i64 %[[offset]] 10; CHECK: store i32 %polly.access.B.load, ptr %scevgep, align 4 11; 12; void f(int *restrict A, int *restrict B) { 13; for (int i = 0; i < 1024; i++) 14; auto tmp = *B; 15; // Split BB 16; A[i] = tmp; 17; } 18; 19target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 20 21define void @f(ptr noalias %A, ptr noalias %B) { 22bb: 23 br label %bb1 24 25bb1: ; preds = %bb4, %bb 26 %indvars.iv = phi i64 [ %indvars.iv.next, %bb4 ], [ 0, %bb ] 27 %exitcond = icmp ne i64 %indvars.iv, 1024 28 br i1 %exitcond, label %bb2, label %bb5 29 30bb2: ; preds = %bb1 31 %tmp = load i32, ptr %B, align 4 32 br label %bb2.split 33 34bb2.split: 35 %tmp3 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv 36 store i32 %tmp, ptr %tmp3, align 4 37 br label %bb4 38 39bb4: ; preds = %bb2 40 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 41 br label %bb1 42 43bb5: ; preds = %bb1 44 ret void 45} 46