| ; RUN: opt -passes=correlated-propagation -S < %s | FileCheck %s |
| ; CHECK: %{{[a-zA-Z0-9_]*}} = urem i8 %x.nonneg, %y.nonneg, !dbg ![[DBGLOC:[0-9]+]] |
| ; CHECK-NEXT: %{{[a-zA-Z0-9_]*}}.neg = sub i8 0, %rem1, !dbg ![[DBGLOC]] |
| |
| ; ModuleID = 'reduced.ll' |
| source_filename = "orig.ll" |
| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv7m-arm-none-eabi" |
| |
| ; Function Attrs: inaccessiblememonly nocallback nofree nosync nounwind willreturn |
| declare void @llvm.assume(i1 noundef) #0 |
| |
| define void @test8_neg_neg(i8 %x, i8 %y) !dbg !5 { |
| %c0 = icmp sle i8 %x, 0, !dbg !13 |
| call void @llvm.dbg.value(metadata i1 %c0, metadata !9, metadata !DIExpression()), !dbg !13 |
| call void @llvm.assume(i1 %c0), !dbg !14 |
| %c1 = icmp sle i8 %y, 0, !dbg !15 |
| call void @llvm.dbg.value(metadata i1 %c1, metadata !11, metadata !DIExpression()), !dbg !15 |
| call void @llvm.assume(i1 %c1), !dbg !16 |
| %rem = srem i8 %x, %y, !dbg !17 |
| call void @llvm.dbg.value(metadata i8 %rem, metadata !12, metadata !DIExpression()), !dbg !17 |
| ret void, !dbg !18 |
| } |
| |
| ; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| !llvm.module.flags = !{!0} |
| !llvm.dbg.cu = !{!1} |
| !llvm.debugify = !{!3, !4} |
| |
| !0 = !{i32 2, !"Debug Info Version", i32 3} |
| !1 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) |
| !2 = !DIFile(filename: "reduced.ll", directory: "/") |
| !3 = !{i32 6} |
| !4 = !{i32 3} |
| !5 = distinct !DISubprogram(name: "test8_neg_neg", linkageName: "test8_neg_neg", scope: null, file: !2, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !1, retainedNodes: !8) |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{} |
| !8 = !{!9, !11, !12} |
| !9 = !DILocalVariable(name: "1", scope: !5, file: !2, line: 1, type: !10) |
| !10 = !DIBasicType(name: "ty8", size: 8, encoding: DW_ATE_unsigned) |
| !11 = !DILocalVariable(name: "2", scope: !5, file: !2, line: 3, type: !10) |
| !12 = !DILocalVariable(name: "3", scope: !5, file: !2, line: 5, type: !10) |
| !13 = !DILocation(line: 1, column: 1, scope: !5) |
| !14 = !DILocation(line: 2, column: 1, scope: !5) |
| !15 = !DILocation(line: 3, column: 1, scope: !5) |
| !16 = !DILocation(line: 4, column: 1, scope: !5) |
| !17 = !DILocation(line: 5, column: 1, scope: !5) |
| !18 = !DILocation(line: 6, column: 1, scope: !5) |