Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/DebugInfo/X86/tail-merge.ll

@@ -1,76 +0,0 @@
-; RUN: llc %s -mtriple=x86_64-unknown-unknown -use-unknown-locations=Enable -o - | FileCheck %s
-
-; Generated with "clang -gline-tables-only -c -emit-llvm -o - | opt -sroa -S"
-; from source:
-;
-; extern int foo(int);
-; extern int bar(int);
-;
-; int test(int a, int b) {
-;   if(b)
-;     a += foo(a);
-;   else
-;     a += bar(a);
-;   return a;
-; }
-
-; When tail-merging the debug location of the common tail should be removed.
-
-; CHECK-LABEL: test:
-; CHECK: movl	%edi, [[REG:%.*]]
-; CHECK: testl	%esi, %esi
-; CHECK: je	[[ELSE:.LBB[0-9]+_[0-9]+]]
-; CHECK: .loc	1 6 10
-; CHECK: callq	foo
-; CHECK: jmp	[[TAIL:.LBB[0-9]+_[0-9]+]]
-; CHECK: [[ELSE]]:
-; CHECK: .loc	1 8 10
-; CHECK: callq	bar
-; CHECK: [[TAIL]]:
-; CHECK: .loc	1 0
-; CHECK: addl	[[REG]], %eax
-; CHECK: .loc	1 9 3
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-define i32 @test(i32 %a, i32 %b) !dbg !6 {
-entry:
-  %tobool = icmp ne i32 %b, 0, !dbg !8
-  br i1 %tobool, label %if.then, label %if.else, !dbg !8
-
-if.then:                                          ; preds = %entry
-  %call = call i32 @foo(i32 %a), !dbg !9
-  %add = add nsw i32 %a, %call, !dbg !10
-  br label %if.end, !dbg !11
-
-if.else:                                          ; preds = %entry
-  %call1 = call i32 @bar(i32 %a), !dbg !12
-  %add2 = add nsw i32 %a, %call1, !dbg !13
-  br label %if.end
-
-if.end:                                           ; preds = %if.else, %if.then
-  %a.addr.0 = phi i32 [ %add, %if.then ], [ %add2, %if.else ]
-  ret i32 %a.addr.0, !dbg !14
-}
-
-declare i32 @foo(i32)
-declare i32 @bar(i32)
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!3, !4}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
-!1 = !DIFile(filename: "test.c", directory: "")
-!2 = !{}
-!3 = !{i32 2, !"Dwarf Version", i32 4}
-!4 = !{i32 2, !"Debug Info Version", i32 3}
-!6 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 4, type: !7, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
-!7 = !DISubroutineType(types: !2)
-!8 = !DILocation(line: 5, column: 6, scope: !6)
-!9 = !DILocation(line: 6, column: 10, scope: !6)
-!10 = !DILocation(line: 6, column: 7, scope: !6)
-!11 = !DILocation(line: 6, column: 5, scope: !6)
-!12 = !DILocation(line: 8, column: 10, scope: !6)
-!13 = !DILocation(line: 8, column: 7, scope: !6)
-!14 = !DILocation(line: 9, column: 3, scope: !6)