; RUN: opt %loadPolly -polly-process-unprofitable -polly-codegen -polly-invariant-load-hoisting=true -S < %s | FileCheck %s ; ; CHECK-LABEL: polly.preload.begin: ; CHECK-NEXT: %polly.access.C = getelementptr i32, i32* %C, i64 0 ; CHECK-NEXT: %polly.access.C.load = load i32, i32* %polly.access.C ; CHECK-NOT: %polly.access.C.load = load i32, i32* %polly.access.C ; ; CHECK-LABEL: polly.cond: ; CHECK-NEXT: %[[R0:[0-9]*]] = sext i32 %polly.access.C.load to i64 ; CHECK-NEXT: %[[R1:[0-9]*]] = icmp sle i64 %[[R0]], -1 ; CHECK-NEXT: %[[R2:[0-9]*]] = sext i32 %polly.access.C.load to i64 ; CHECK-NEXT: %[[R3:[0-9]*]] = icmp sge i64 %[[R2]], 1 ; CHECK-NEXT: %[[R4:[0-9]*]] = or i1 %[[R1]], %[[R3]] ; CHECK-NEXT: br i1 %[[R4]] ; ; CHECK-NOT: polly.stmt.bb2 ; ; void f(int *A, int *C) { ; for (int i = 0; i < 1024; i++) ; if (*C) ; A[i] = 0; ; } ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @f(i32* %A, i32* %C) { bb: br label %bb1 bb1: ; preds = %bb7, %bb %indvars.iv = phi i64 [ %indvars.iv.next, %bb7 ], [ 0, %bb ] %exitcond = icmp ne i64 %indvars.iv, 1024 br i1 %exitcond, label %bb2, label %bb8 bb2: ; preds = %bb1 %tmp = load i32, i32* %C, align 4 %tmp3 = icmp eq i32 %tmp, 0 br i1 %tmp3, label %bb6, label %bb4 bb4: ; preds = %bb2 %tmp5 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv store i32 0, i32* %tmp5, align 4 br label %bb6 bb6: ; preds = %bb2, %bb4 br label %bb7 bb7: ; preds = %bb6 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 br label %bb1 bb8: ; preds = %bb1 ret void }