1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; dbg.value intrinsics should not affect peephole combining of stacksave/stackrestore. 3; PR37713 4; RUN: opt -passes=instcombine %s -S | FileCheck %s 5; RUN: opt -passes=instcombine %s -S --try-experimental-debuginfo-iterators | FileCheck %s 6 7declare ptr @llvm.stacksave() #0 8declare void @llvm.stackrestore(ptr) #0 9 10define ptr @test1(i32 %P) !dbg !6 { 11; CHECK-LABEL: @test1( 12; CHECK-NEXT: #dbg_value(ptr poison, [[META9:![0-9]+]], !DIExpression(), [[META12:![0-9]+]]) 13; CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[P:%.*]] to i64, !dbg [[DBG13:![0-9]+]] 14; CHECK-NEXT: [[A:%.*]] = alloca i32, i64 [[TMP1]], align 4, !dbg [[DBG13]] 15; CHECK-NEXT: #dbg_value(ptr [[A]], [[META11:![0-9]+]], !DIExpression(), [[DBG13]]) 16; CHECK-NEXT: ret ptr [[A]], !dbg [[DBG14:![0-9]+]] 17; 18 %tmp = call ptr @llvm.stacksave(), !dbg !12 19 call void @llvm.dbg.value(metadata ptr %tmp, metadata !9, metadata !DIExpression()), !dbg !12 20 call void @llvm.stackrestore(ptr %tmp), !dbg !13 21 %A = alloca i32, i32 %P, !dbg !14 22 call void @llvm.dbg.value(metadata ptr %A, metadata !11, metadata !DIExpression()), !dbg !14 23 ret ptr %A, !dbg !15 24} 25 26declare void @llvm.dbg.value(metadata, metadata, metadata) #1 27attributes #0 = { nounwind } 28attributes #1 = { nounwind readnone speculatable } 29 30!llvm.dbg.cu = !{!0} 31!llvm.debugify = !{!3, !4} 32!llvm.module.flags = !{!5} 33 34!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 35!1 = !DIFile(filename: "patatino.ll", directory: "/") 36!2 = !{} 37!3 = !{i32 4} 38!4 = !{i32 2} 39!5 = !{i32 2, !"Debug Info Version", i32 3} 40!6 = distinct !DISubprogram(name: "test1", linkageName: "test1", scope: null, file: !1, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !0, retainedNodes: !8) 41!7 = !DISubroutineType(types: !2) 42!8 = !{!9, !11} 43!9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10) 44!10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned) 45!11 = !DILocalVariable(name: "2", scope: !6, file: !1, line: 3, type: !10) 46!12 = !DILocation(line: 1, column: 1, scope: !6) 47!13 = !DILocation(line: 2, column: 1, scope: !6) 48!14 = !DILocation(line: 3, column: 1, scope: !6) 49!15 = !DILocation(line: 4, column: 1, scope: !6) 50