; RUN: opt < %s -licm -S | FileCheck %s ; RUN: opt < %s -strip-debug -licm -S | FileCheck %s ; RUN: opt < %s -licm -enable-mssa-loop-dependency=true -verify-memoryssa -S | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; Verify that the sdiv is hoisted out of the loop ; even in the presence of a preceding debug intrinsic. @a = global i32 0 @b = global i32 0 @c = global i32 0 define void @fn1() !dbg !6 { ; CHECK-LABEL: @fn1( ; CHECK-NEXT: [[_TMP2:%.*]] = load i32, i32* @a, align 4 ; CHECK-NEXT: [[_TMP3:%.*]] = load i32, i32* @b, align 4 ; CHECK-NEXT: [[_TMP4:%.*]] = sdiv i32 [[_TMP2]], [[_TMP3]] ; CHECK-NEXT: br label [[BB3:%.*]] br label %bb3 bb3: ; preds = %bb3, %0 call void @llvm.dbg.value(metadata i32* @c, metadata !10, metadata !DIExpression(DW_OP_deref)), !dbg !12 %_tmp2 = load i32, i32* @a, align 4 %_tmp3 = load i32, i32* @b, align 4 %_tmp4 = sdiv i32 %_tmp2, %_tmp3 store i32 %_tmp4, i32* @c, align 4 %_tmp6 = load volatile i32, i32* @c, align 4 br label %bb3 } ; Function Attrs: nounwind readnone speculatable declare void @llvm.dbg.value(metadata, metadata, metadata) #0 attributes #0 = { nounwind readnone speculatable } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3, !4} !llvm.ident = !{!5} !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "foo", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2) !1 = !DIFile(filename: "foo.c", directory: "/") !2 = !{} !3 = !{i32 2, !"Dwarf Version", i32 4} !4 = !{i32 2, !"Debug Info Version", i32 3} !5 = !{!"foo"} !6 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 3, type: !7, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: false, unit: !0, retainedNodes: !2) !7 = !DISubroutineType(types: !8) !8 = !{!9} !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !10 = !DILocalVariable(name: "f", scope: !11, line: 5, type: !9) !11 = distinct !DILexicalBlock(scope: !6, file: !1, line: 4, column: 12) !12 = !DILocation(line: 5, column: 9, scope: !11)