; RUN: llc -O2 -o %t1.o < %s ; RUN: llc -O2 -o %t2.o < %s ; RUN: llc -O2 -o %t3.o < %s ; RUN: llc -O2 -o %t4.o < %s ; RUN: llc -O2 -o %t5.o < %s ; RUN: cmp %t1.o %t2.o ; RUN: cmp %t1.o %t3.o ; RUN: cmp %t1.o %t4.o ; RUN: cmp %t1.o %t5.o ; Regression test for nondeterminism introduced in https://reviews.llvm.org/D57694 define void @test(i32 %x) !dbg !4 { entry: call void @llvm.dbg.value(metadata void (i32)* @f1, metadata !6, metadata !DIExpression()), !dbg !8 call void @llvm.dbg.value(metadata void (i32)* @f2, metadata !7, metadata !DIExpression()), !dbg !8 %cmp = icmp eq i32 %x, 0, !dbg !8 br i1 %cmp, label %cleanup, label %if.end if.end: %tobool = icmp eq i32 0, 0 %a = select i1 %tobool, void (i32)* @f1, void (i32)* null, !dbg !8 %b = select i1 %tobool, void (i32)* @f2, void (i32)* null, !dbg !8 call void %a(i32 %x) call void %b(i32 %x) unreachable cleanup: ret void } declare void @f1(i32) declare void @f2(i32) declare void @llvm.dbg.value(metadata, metadata, metadata) !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang", runtimeVersion: 0, emissionKind: FullDebug) !1 = !DIFile(filename: "test.cc", directory: "") !2 = !{} !3 = !{i32 2, !"Debug Info Version", i32 3} !4 = distinct !DISubprogram(name: "test", scope: !1, file: !1, type: !5, unit: !0) !5 = !DISubroutineType(types: !2) !6 = !DILocalVariable(name: "a", scope: !4, file: !1, type: !9) !7 = !DILocalVariable(name: "b", scope: !4, file: !1, type: !9) !8 = !DILocation(scope: !4) !9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !5, size: 64)