1; RUN: opt -passes=loop-idiom < %s -S | FileCheck %s 2; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<target-ir>,require<scalar-evolution>,require<opt-remark-emit>,loop(loop-idiom)' < %s -S | FileCheck %s 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-unknown-linux-gnu" 5 6%struct.bigBlock_t = type { [256 x <4 x float>] } 7 8; CHECK-LABEL: @test( 9; CHECK-NOT: llvm.memset 10define void @test(ptr %p) { 11entry: 12 br label %for.body 13 14for.body: ; preds = %entry, %for.body 15 %index.02 = phi i32 [ 0, %entry ], [ %add, %for.body ] 16 %dst.01 = phi ptr [ %p, %entry ], [ %add.ptr2, %for.body ] 17 store <4 x float> zeroinitializer, ptr %dst.01, align 16, !nontemporal !0 18 %add.ptr1 = getelementptr inbounds float, ptr %dst.01, i64 4 19 store <4 x float> zeroinitializer, ptr %add.ptr1, align 16, !nontemporal !0 20 %add.ptr2 = getelementptr inbounds float, ptr %dst.01, i64 8 21 %add = add nuw nsw i32 %index.02, 32 22 %cmp = icmp ult i32 %add, 4096 23 br i1 %cmp, label %for.body, label %for.end 24 25for.end: ; preds = %for.body 26 ret void 27} 28 29!0 = !{i32 1} 30