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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt < %s -mtriple=x86_64-unknown-unknown -S -passes=inline | FileCheck %s3 4;; Test that when we simplify inlined conditional branch/switch instructions to5;; unconditional branches, we propagate the original branch's source location to6;; the simplified branch.7 8target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"9target triple = "x86_64-unknown-linux-gnu"10 11define i1 @ham() {12; CHECK-LABEL: define i1 @ham() {13; CHECK-NEXT: [[BB:.*:]]14; CHECK-NEXT: br i1 poison, label %[[BB1_I:.*]], label %[[HOGE_EXIT:.*]]15; CHECK: [[BB1_I]]:16; CHECK-NEXT: br label %[[HOGE_EXIT]], !dbg [[DBG4:![0-9]+]]17; CHECK: [[HOGE_EXIT]]:18; CHECK-NEXT: br i1 poison, label %[[BB1_I1:.*]], label %[[QUUX_EXIT:.*]]19; CHECK: [[BB1_I1]]:20; CHECK-NEXT: br label %[[QUUX_EXIT]], !dbg [[DBG7:![0-9]+]]21; CHECK: [[QUUX_EXIT]]:22; CHECK-NEXT: ret i1 false23;24bb:25 %call1 = call fastcc i32 @hoge(i1 false)26 %call2 = call fastcc i32 @quux(i8 0)27 ret i1 false28}29 30define fastcc i32 @hoge(i1 %in) {31; CHECK-LABEL: define fastcc i32 @hoge(32; CHECK-SAME: i1 [[IN:%.*]]) {33; CHECK-NEXT: [[BB:.*:]]34; CHECK-NEXT: br i1 poison, label %[[BB1:.*]], label %[[BB2:.*]]35; CHECK: [[BB1]]:36; CHECK-NEXT: br i1 [[IN]], label %[[BB2]], label %[[BB2]], !dbg [[DBG4]]37; CHECK: [[BB2]]:38; CHECK-NEXT: ret i32 039;40bb:41 br i1 poison, label %bb1, label %bb242 43bb1: ; preds = %bb44 br i1 %in, label %bb2, label %bb2, !dbg !445 46bb2: ; preds = %bb1, %bb1, %bb47 ret i32 048}49 50define fastcc i32 @quux(i8 %in) {51; CHECK-LABEL: define fastcc i32 @quux(52; CHECK-SAME: i8 [[IN:%.*]]) {53; CHECK-NEXT: [[BB:.*:]]54; CHECK-NEXT: br i1 poison, label %[[BB1:.*]], label %[[BB2:.*]]55; CHECK: [[BB1]]:56; CHECK-NEXT: switch i8 [[IN]], label %[[BB2]] [57; CHECK-NEXT: i8 0, label %[[BB2]]58; CHECK-NEXT: ], !dbg [[DBG7]]59; CHECK: [[BB2]]:60; CHECK-NEXT: ret i32 061;62bb:63 br i1 poison, label %bb1, label %bb264 65bb1: ; preds = %bb66 switch i8 %in, label %bb2 [67 i8 0, label %bb268 ], !dbg !1469 70 71bb2: ; preds = %bb1, %bb1, %bb72 ret i32 073}74 75!llvm.dbg.cu = !{!0}76!llvm.module.flags = !{!3}77 78!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 20.0.0git", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: !2, globals: !2, imports: !2, splitDebugInlining: false, nameTableKind: None)79!1 = !DIFile(filename: "inline-simplified-branch-dbg-loc.cpp", directory: "/tmp")80!2 = !{}81!3 = !{i32 2, !"Debug Info Version", i32 3}82!4 = !DILocation(line: 26, column: 11, scope: !12)83!6 = !DIFile(filename: "inline-simplified-branch-dbg-loc.cpp", directory: "/tmp")84!12 = distinct !DISubprogram(name: "hoge", linkageName: "hoge", scope: !6, file: !6, line: 10, type: !13, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)85!13 = distinct !DISubroutineType(types: !2)86!14 = !DILocation(line: 16, column: 1, scope: !15)87!15 = distinct !DISubprogram(name: "quux", linkageName: "quux", scope: !6, file: !6, line: 20, type: !13, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)88;.89; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: [[META1:![0-9]+]], producer: "{{.*}}clang version {{.*}}", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: [[META2:![0-9]+]], globals: [[META2]], imports: [[META2]], splitDebugInlining: false, nameTableKind: None)90; CHECK: [[META1]] = !DIFile(filename: "inline-simplified-branch-dbg-loc.cpp", directory: {{.*}})91; CHECK: [[META2]] = !{}92; CHECK: [[DBG4]] = !DILocation(line: 26, column: 11, scope: [[META5:![0-9]+]])93; CHECK: [[META5]] = distinct !DISubprogram(name: "hoge", linkageName: "hoge", scope: [[META1]], file: [[META1]], line: 10, type: [[META6:![0-9]+]], scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META2]])94; CHECK: [[META6]] = distinct !DISubroutineType(types: [[META2]])95; CHECK: [[DBG7]] = !DILocation(line: 16, column: 1, scope: [[META8:![0-9]+]])96; CHECK: [[META8]] = distinct !DISubprogram(name: "quux", linkageName: "quux", scope: [[META1]], file: [[META1]], line: 20, type: [[META6]], scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: [[META0]], retainedNodes: [[META2]])97;.98