1 ; RUN: opt < %s -simplifycfg -S | FileCheck %s
2 ; RUN: opt < %s -strip-debug -simplifycfg -S | FileCheck %s
4 ; Verify that the and.2 instruction is eliminated even in the presence of a
5 ; preceding debug intrinsic.
8 ; CHECK: and i1 false, false
10 ; CHECK-NOT: and i1 false, false
12 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
13 target triple = "x86_64-unknown-linux-gnu"
15 ; Function Attrs: norecurse nounwind
16 define void @foo() local_unnamed_addr #0 !dbg !4 {
18 %and.1 = and i1 false, false
19 %cmp = icmp eq i16 0, 0
20 br i1 %cmp, label %bb2, label %bb3
23 call void @llvm.dbg.value(metadata i16 0, metadata !8, metadata !DIExpression()), !dbg !9
24 %and.2 = and i1 false, false
27 bb3: ; preds = %bb2, %bb1
31 ; Function Attrs: nounwind readnone speculatable
32 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
34 attributes #0 = { norecurse nounwind }
35 attributes #1 = { nounwind readnone speculatable }
38 !llvm.module.flags = !{!3}
40 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "Foo", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2)
41 !1 = !DIFile(filename: "foo.c", directory: "/")
43 !3 = !{i32 2, !"Debug Info Version", i32 3}
44 !4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 10, type: !5, isLocal: false, isDefinition: true, scopeLine: 10, isOptimized: false, unit: !0, retainedNodes: !2)
45 !5 = !DISubroutineType(types: !6)
47 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
48 !8 = !DILocalVariable(name: "p_1", arg: 1, scope: !4, line: 4, type: !7)
49 !9 = distinct !DILocation(line: 11, column: 3, scope: !4)