| ; RUN: opt %loadNPMPolly -polly-process-unprofitable -passes=polly-codegen -polly-invariant-load-hoisting=true -polly-ignore-aliasing -S < %s | FileCheck %s |
| ; |
| ; CHECK-LABEL: polly.preload.begin: |
| ; CHECK: %polly.access.A = getelementptr ptr, ptr %A, i64 42 |
| ; CHECK: %polly.access.A.load = load ptr, ptr %polly.access.A |
| ; CHECK: %polly.access.polly.access.A.load = getelementptr ptr, ptr %polly.access.A.load, i64 32 |
| ; CHECK: %polly.access.polly.access.A.load.load = load ptr, ptr %polly.access.polly.access.A.load |
| ; |
| ; CHECK: polly.stmt.bb2: |
| ; CHECK: %[[offset:.*]] = shl nuw nsw i64 %polly.indvar, 2 |
| ; CHECK: %scevgep = getelementptr i8, ptr %polly.access.polly.access.A.load.load, i64 %[[offset]] |
| ; CHECK: store i32 0, ptr %scevgep, align 4 |
| ; |
| ; void f(int ***A) { |
| ; for (int i = 0; i < 1024; i++) |
| ; A[42][32][i] = 0; |
| ; } |
| ; |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @f(ptr %A) { |
| 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 = getelementptr inbounds ptr, ptr %A, i64 42 |
| %tmp3 = load ptr, ptr %tmp, align 8 |
| %tmp4 = getelementptr inbounds ptr, ptr %tmp3, i64 32 |
| %tmp5 = load ptr, ptr %tmp4, align 8 |
| %tmp6 = getelementptr inbounds i32, ptr %tmp5, i64 %indvars.iv |
| store i32 0, ptr %tmp6, align 4 |
| br label %bb7 |
| |
| bb7: ; preds = %bb2 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| br label %bb1 |
| |
| bb8: ; preds = %bb1 |
| ret void |
| } |