1 ; RUN: opt -inline -S < %s | FileCheck %s
2 ; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
4 ; Make sure the inliner doesn't crash when a metadata-bridged SSA operand is an
7 ; If we ever add a verifier check to prevent the scenario in this file, it's
8 ; fine to delete this testcase. However, we would need a bitcode upgrade since
9 ; such historical IR exists in practice.
11 define i32 @foo(i32 %i) !dbg !4 {
13 tail call void @llvm.dbg.value(metadata i32 %add, metadata !8, metadata !10), !dbg !11
14 %add = add nsw i32 1, %i, !dbg !12
15 ret i32 %add, !dbg !13
18 ; CHECK-LABEL: define i32 @caller(
19 define i32 @caller(i32 %i) {
22 ; Although the inliner shouldn't crash, it can't be expected to get the
23 ; "correct" SSA value since its assumptions have been violated.
24 ; CHECK-NEXT: tail call void @llvm.dbg.value(metadata ![[EMPTY:[0-9]+]],
25 ; CHECK-NEXT: %{{.*}} = add nsw
26 %call = tail call i32 @foo(i32 %i)
30 declare void @llvm.dbg.value(metadata, metadata, metadata)
33 !llvm.module.flags = !{!9}
35 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 265634) (llvm/trunk 265637)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
36 !1 = !DIFile(filename: "t.c", directory: "/path/to/tests")
38 ; CHECK: ![[EMPTY]] = !{}
40 !4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0)
41 !5 = !DISubroutineType(types: !6)
43 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
44 !8 = !DILocalVariable(name: "add", arg: 1, scope: !4, file: !1, line: 2, type: !7)
45 !9 = !{i32 2, !"Debug Info Version", i32 3}
47 !11 = !DILocation(line: 2, column: 13, scope: !4)
48 !12 = !DILocation(line: 2, column: 27, scope: !4)
49 !13 = !DILocation(line: 2, column: 18, scope: !4)