1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -basic-aa -debugify -loop-idiom -pass-remarks=loop-idiom -pass-remarks-analysis=loop-idiom -pass-remarks-output=%t.yaml -verify -verify-each -verify-dom-info -verify-loop-info < %s -S 2>&1 | FileCheck %s 3; RUN: FileCheck --input-file=%t.yaml %s --check-prefixes=YAML 4 5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 6target triple = "x86_64-unknown-linux-gnu" 7 8; Check that everything still works when debuginfo is present, and that it is reasonably propagated. 9 10; CHECK: remark: <stdin>:6:1: Formed a call to llvm.memcpy.p0i8.p0i8.i64() intrinsic from load and store instruction in test6_dest_align function{{$}} 11 12; YAML: --- !Passed 13; YAML-NEXT: Pass: loop-idiom 14; YAML-NEXT: Name: ProcessLoopStoreOfLoopLoad 15; YAML-NEXT: DebugLoc: { File: '<stdin>', Line: 6, Column: 1 } 16; YAML-NEXT: Function: test6_dest_align 17; YAML-NEXT: Args: 18; YAML-NEXT: - String: 'Formed a call to ' 19; YAML-NEXT: - NewFunction: llvm.memcpy.p0i8.p0i8.i64 20; YAML-NEXT: - String: '() intrinsic from ' 21; YAML-NEXT: - Inst: load and store 22; YAML-NEXT: - String: ' instruction in ' 23; YAML-NEXT: - Function: test6_dest_align 24; YAML-NEXT: DebugLoc: { File: '<stdin>', Line: 1, Column: 0 } 25; YAML-NEXT: - String: ' function' 26; YAML-NEXT: - FromBlock: for.body 27; YAML-NEXT: - ToBlock: bb.nph 28; YAML-NEXT: ... 29 30define void @test6_dest_align(i32* noalias align 1 %Base, i32* noalias align 4 %Dest, i64 %Size) nounwind ssp { 31; CHECK-LABEL: @test6_dest_align( 32; CHECK-NEXT: bb.nph: 33; CHECK-NEXT: [[DEST1:%.*]] = bitcast i32* [[DEST:%.*]] to i8*, !dbg [[DBG18:![0-9]+]] 34; CHECK-NEXT: [[BASE2:%.*]] = bitcast i32* [[BASE:%.*]] to i8*, !dbg [[DBG18]] 35; CHECK-NEXT: [[TMP0:%.*]] = shl nuw i64 [[SIZE:%.*]], 2, !dbg [[DBG18]] 36; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 [[DEST1]], i8* align 1 [[BASE2]], i64 [[TMP0]], i1 false), !dbg [[DBG19:![0-9]+]] 37; CHECK-NEXT: br label [[FOR_BODY:%.*]], !dbg [[DBG18]] 38; CHECK: for.body: 39; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ], !dbg [[DBG20:![0-9]+]] 40; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[INDVAR]], metadata [[META9:![0-9]+]], metadata !DIExpression()), !dbg [[DBG20]] 41; CHECK-NEXT: [[I_0_014:%.*]] = getelementptr i32, i32* [[BASE]], i64 [[INDVAR]], !dbg [[DBG21:![0-9]+]] 42; CHECK-NEXT: call void @llvm.dbg.value(metadata i32* [[I_0_014]], metadata [[META11:![0-9]+]], metadata !DIExpression()), !dbg [[DBG21]] 43; CHECK-NEXT: [[DESTI:%.*]] = getelementptr i32, i32* [[DEST]], i64 [[INDVAR]], !dbg [[DBG22:![0-9]+]] 44; CHECK-NEXT: call void @llvm.dbg.value(metadata i32* [[DESTI]], metadata [[META12:![0-9]+]], metadata !DIExpression()), !dbg [[DBG22]] 45; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[I_0_014]], align 1, !dbg [[DBG23:![0-9]+]] 46; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[V]], metadata [[META13:![0-9]+]], metadata !DIExpression()), !dbg [[DBG23]] 47; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1, !dbg [[DBG24:![0-9]+]] 48; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[INDVAR_NEXT]], metadata [[META15:![0-9]+]], metadata !DIExpression()), !dbg [[DBG24]] 49; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE]], !dbg [[DBG25:![0-9]+]] 50; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[EXITCOND]], metadata [[META16:![0-9]+]], metadata !DIExpression()), !dbg [[DBG25]] 51; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]], !dbg [[DBG26:![0-9]+]] 52; CHECK: for.end: 53; CHECK-NEXT: ret void, !dbg [[DBG27:![0-9]+]] 54; 55bb.nph: 56 br label %for.body 57 58for.body: ; preds = %bb.nph, %for.body 59 %indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %for.body ] 60 %I.0.014 = getelementptr i32, i32* %Base, i64 %indvar 61 %DestI = getelementptr i32, i32* %Dest, i64 %indvar 62 %V = load i32, i32* %I.0.014, align 1 63 store i32 %V, i32* %DestI, align 4 64 %indvar.next = add i64 %indvar, 1 65 %exitcond = icmp eq i64 %indvar.next, %Size 66 br i1 %exitcond, label %for.end, label %for.body 67 68for.end: ; preds = %for.body, %entry 69 ret void 70} 71