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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes=debugify,loop-idiom,verify -pass-remarks=loop-idiom -pass-remarks-analysis=loop-idiom -pass-remarks-output=%t.yaml -verify-each -verify-dom-info -verify-loop-info < %s -S 2>&1 | FileCheck %s3; RUN: FileCheck --input-file=%t.yaml %s --check-prefixes=YAML4 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; void my_basic_memset(char* begin, char* end, char value) {11; for( ; begin != end; ++begin)12; *begin = value;13; }14 15; CHECK: remark: <stdin>:4:1: Transformed loop-strided store in _Z15my_basic_memsetPcS_c function into a call to llvm.memset.p0.i64() intrinsic{{$}}16 17; YAML: --- !Passed18; YAML-NEXT: Pass: loop-idiom19; YAML-NEXT: Name: ProcessLoopStridedStore20; YAML-NEXT: DebugLoc: { File: '<stdin>', Line: 4, Column: 1 }21; YAML-NEXT: Function: _Z15my_basic_memsetPcS_c22; YAML-NEXT: Args:23; YAML-NEXT: - String: 'Transformed loop-strided store in '24; YAML-NEXT: - Function: _Z15my_basic_memsetPcS_c25; YAML-NEXT: DebugLoc: { File: '<stdin>', Line: 1, Column: 0 }26; YAML-NEXT: - String: ' function into a call to '27; YAML-NEXT: - NewFunction: llvm.memset.p0.i6428; YAML-NEXT: - String: '() intrinsic'29; YAML-NEXT: - FromBlock: for.body30; YAML-NEXT: - ToBlock: for.body.preheader31; YAML-NEXT: ...32 33define void @_Z15my_basic_memsetPcS_c(ptr %ptr, ptr %end, i8 %value) {34; CHECK-LABEL: @_Z15my_basic_memsetPcS_c(35; CHECK-NEXT: entry:36; CHECK-NEXT: [[PTR2:%.*]] = ptrtoint ptr [[PTR:%.*]] to i64, !dbg [[DBG15:![0-9]+]]37; CHECK-NEXT: [[END1:%.*]] = ptrtoint ptr [[END:%.*]] to i64, !dbg [[DBG15]]38; CHECK-NEXT: [[CMP3:%.*]] = icmp eq ptr [[PTR]], [[END]], !dbg [[DBG15]]39; CHECK-NEXT: #dbg_value(i1 [[CMP3]], [[META9:![0-9]+]], !DIExpression(), [[DBG15]])40; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_END:%.*]], label [[FOR_BODY_PREHEADER:%.*]], !dbg [[DBG16:![0-9]+]]41; CHECK: for.body.preheader:42; CHECK-NEXT: [[TMP0:%.*]] = sub i64 [[END1]], [[PTR2]], !dbg [[DBG17:![0-9]+]]43; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[PTR]], i8 [[VALUE:%.*]], i64 [[TMP0]], i1 false), !dbg [[DBG18:![0-9]+]]44; CHECK-NEXT: br label [[FOR_BODY:%.*]], !dbg [[DBG17]]45; CHECK: for.body:46; CHECK-NEXT: [[PTR_ADDR_04:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[PTR]], [[FOR_BODY_PREHEADER]] ], !dbg [[DBG19:![0-9]+]]47; CHECK-NEXT: #dbg_value(ptr [[PTR_ADDR_04]], [[META11:![0-9]+]], !DIExpression(), [[DBG19]])48; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, ptr [[PTR_ADDR_04]], i64 1, !dbg [[DBG20:![0-9]+]]49; CHECK-NEXT: #dbg_value(ptr [[INCDEC_PTR]], [[META13:![0-9]+]], !DIExpression(), [[DBG20]])50; CHECK-NEXT: [[CMP:%.*]] = icmp eq ptr [[INCDEC_PTR]], [[END]], !dbg [[DBG21:![0-9]+]]51; CHECK-NEXT: #dbg_value(i1 [[CMP]], [[META14:![0-9]+]], !DIExpression(), [[DBG21]])52; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY]], !dbg [[DBG17]]53; CHECK: for.end.loopexit:54; CHECK-NEXT: br label [[FOR_END]], !dbg [[DBG22:![0-9]+]]55; CHECK: for.end:56; CHECK-NEXT: ret void, !dbg [[DBG22]]57;58entry:59 %cmp3 = icmp eq ptr %ptr, %end60 br i1 %cmp3, label %for.end, label %for.body61 62for.body: ; preds = %entry, %for.body63 %ptr.addr.04 = phi ptr [ %incdec.ptr, %for.body ], [ %ptr, %entry ]64 store i8 %value, ptr %ptr.addr.04, align 165 %incdec.ptr = getelementptr inbounds i8, ptr %ptr.addr.04, i64 166 %cmp = icmp eq ptr %incdec.ptr, %end67 br i1 %cmp, label %for.end, label %for.body68 69for.end: ; preds = %for.body, %entry70 ret void71}72