1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; 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 %s 3; RUN: FileCheck --input-file=%t.yaml %s --check-prefixes=YAML 4 5; 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 --try-experimental-debuginfo-iterators | FileCheck %s 6; RUN: FileCheck --input-file=%t.yaml %s --check-prefixes=YAML 7 8target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 9target triple = "x86_64-unknown-linux-gnu" 10 11; Check that everything still works when debuginfo is present, and that it is reasonably propagated. 12 13; void my_basic_memset(char* begin, char* end, char value) { 14; for( ; begin != end; ++begin) 15; *begin = value; 16; } 17 18; CHECK: remark: <stdin>:4:1: Transformed loop-strided store in _Z15my_basic_memsetPcS_c function into a call to llvm.memset.p0.i64() intrinsic{{$}} 19 20; YAML: --- !Passed 21; YAML-NEXT: Pass: loop-idiom 22; YAML-NEXT: Name: ProcessLoopStridedStore 23; YAML-NEXT: DebugLoc: { File: '<stdin>', Line: 4, Column: 1 } 24; YAML-NEXT: Function: _Z15my_basic_memsetPcS_c 25; YAML-NEXT: Args: 26; YAML-NEXT: - String: 'Transformed loop-strided store in ' 27; YAML-NEXT: - Function: _Z15my_basic_memsetPcS_c 28; YAML-NEXT: DebugLoc: { File: '<stdin>', Line: 1, Column: 0 } 29; YAML-NEXT: - String: ' function into a call to ' 30; YAML-NEXT: - NewFunction: llvm.memset.p0.i64 31; YAML-NEXT: - String: '() intrinsic' 32; YAML-NEXT: - FromBlock: for.body 33; YAML-NEXT: - ToBlock: for.body.preheader 34; YAML-NEXT: ... 35 36define void @_Z15my_basic_memsetPcS_c(ptr %ptr, ptr %end, i8 %value) { 37; CHECK-LABEL: @_Z15my_basic_memsetPcS_c( 38; CHECK-NEXT: entry: 39; CHECK-NEXT: [[PTR2:%.*]] = ptrtoint ptr [[PTR:%.*]] to i64, !dbg [[DBG15:![0-9]+]] 40; CHECK-NEXT: [[END1:%.*]] = ptrtoint ptr [[END:%.*]] to i64, !dbg [[DBG15]] 41; CHECK-NEXT: [[CMP3:%.*]] = icmp eq ptr [[PTR]], [[END]], !dbg [[DBG15]] 42; CHECK-NEXT: #dbg_value(i1 [[CMP3]], [[META9:![0-9]+]], !DIExpression(), [[DBG15]]) 43; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_END:%.*]], label [[FOR_BODY_PREHEADER:%.*]], !dbg [[DBG16:![0-9]+]] 44; CHECK: for.body.preheader: 45; CHECK-NEXT: [[TMP0:%.*]] = sub i64 [[END1]], [[PTR2]], !dbg [[DBG17:![0-9]+]] 46; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[PTR]], i8 [[VALUE:%.*]], i64 [[TMP0]], i1 false), !dbg [[DBG18:![0-9]+]] 47; CHECK-NEXT: br label [[FOR_BODY:%.*]], !dbg [[DBG17]] 48; CHECK: for.body: 49; CHECK-NEXT: [[PTR_ADDR_04:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[PTR]], [[FOR_BODY_PREHEADER]] ], !dbg [[DBG19:![0-9]+]] 50; CHECK-NEXT: #dbg_value(ptr [[PTR_ADDR_04]], [[META11:![0-9]+]], !DIExpression(), [[DBG19]]) 51; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, ptr [[PTR_ADDR_04]], i64 1, !dbg [[DBG20:![0-9]+]] 52; CHECK-NEXT: #dbg_value(ptr [[INCDEC_PTR]], [[META13:![0-9]+]], !DIExpression(), [[DBG20]]) 53; CHECK-NEXT: [[CMP:%.*]] = icmp eq ptr [[INCDEC_PTR]], [[END]], !dbg [[DBG21:![0-9]+]] 54; CHECK-NEXT: #dbg_value(i1 [[CMP]], [[META14:![0-9]+]], !DIExpression(), [[DBG21]]) 55; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY]], !dbg [[DBG17]] 56; CHECK: for.end.loopexit: 57; CHECK-NEXT: br label [[FOR_END]], !dbg [[DBG22:![0-9]+]] 58; CHECK: for.end: 59; CHECK-NEXT: ret void, !dbg [[DBG22]] 60; 61entry: 62 %cmp3 = icmp eq ptr %ptr, %end 63 br i1 %cmp3, label %for.end, label %for.body 64 65for.body: ; preds = %entry, %for.body 66 %ptr.addr.04 = phi ptr [ %incdec.ptr, %for.body ], [ %ptr, %entry ] 67 store i8 %value, ptr %ptr.addr.04, align 1 68 %incdec.ptr = getelementptr inbounds i8, ptr %ptr.addr.04, i64 1 69 %cmp = icmp eq ptr %incdec.ptr, %end 70 br i1 %cmp, label %for.end, label %for.body 71 72for.end: ; preds = %for.body, %entry 73 ret void 74} 75