e5089e2e94
Summary: If a partially inlined function has debug info, we have to add debug locations to the call instruction calling the outlined function. We use the debug location of the first instruction in the outlined function, as the introduced call transfers control to this statement and there is no other equivalent line in the source code. We also use the same debug location for the branch instruction added to jump from artificial entry block for the outlined function, which just jumps to the first actual basic block of the outlined function. Reviewers: davide, aprantl, rriddle, dblaikie, danielcdh, wmi Reviewed By: aprantl, rriddle, danielcdh Subscribers: eraman, JDevlieghere, llvm-commits Differential Revision: https://reviews.llvm.org/D40413 llvm-svn: 320199
105 lines
4.0 KiB
LLVM
105 lines
4.0 KiB
LLVM
; RUN: opt < %s -S -partial-inliner -skip-partial-inlining-cost-analysis=true | FileCheck %s
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; CHECK-LABEL: @callee
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; CHECK: %mul = mul nsw i32 %v, 10, !dbg ![[DBG1:[0-9]+]]
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define i32 @callee(i32 %v) !dbg !16 {
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entry:
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%cmp = icmp sgt i32 %v, 2000
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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%mul = mul nsw i32 %v, 10, !dbg !17
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br label %if.then2
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if.then2:
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%sub = sub i32 %v, 10, !dbg !23
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br label %if.end
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if.end: ; preds = %if.then, %entry
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%v2 = phi i32 [ %v, %entry ], [ %mul, %if.then2 ]
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%add = add nsw i32 %v2, 200
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ret i32 %add
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}
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; CHECK-LABEL: @caller
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; CHECK: codeRepl.i:
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; CHECK-NEXT: call void @callee.2_if.then(i32 %v, i32* %mul.loc.i), !dbg ![[DBG2:[0-9]+]]
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define i32 @caller(i32 %v) !dbg !8 {
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entry:
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%call = call i32 @callee(i32 %v), !dbg !14
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ret i32 %call
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}
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; CHECK-LABEL: @callee2
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; CHECK: %sub = sub i32 %v, 10, !dbg ![[DBG3:[0-9]+]]
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define i32 @callee2(i32 %v) !dbg !18 {
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entry:
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%cmp = icmp sgt i32 %v, 2000
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br i1 %cmp, label %if.then, label %if.end
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if.then:
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br label %if.then2
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if.then2:
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%sub = sub i32 %v, 10, !dbg !20
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br label %if.end
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if.end:
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%v2 = phi i32 [ %v, %entry ], [ %sub, %if.then2 ]
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%add = add nsw i32 %v2, 200
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ret i32 %add
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}
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; CHECK-LABEL: @caller2
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; CHECK: codeRepl.i:
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; CHECK-NEXT: call void @callee2.1_if.then(i32 %v, i32* %sub.loc.i), !dbg ![[DBG4:[0-9]+]]
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define i32 @caller2(i32 %v) !dbg !21 {
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entry:
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%call = call i32 @callee2(i32 %v), !dbg !22
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ret i32 %call
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}
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; CHECK-LABEL: define internal void @callee2.1_if.then
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; CHECK: br label %if.then, !dbg ![[DBG5:[0-9]+]]
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; CHECK-LABEL: define internal void @callee.2_if.then
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; CHECK: br label %if.then, !dbg ![[DBG6:[0-9]+]]
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; CHECK: ![[DBG1]] = !DILocation(line: 10, column: 7,
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; CHECK: ![[DBG2]] = !DILocation(line: 10, column: 7,
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; CHECK: ![[DBG3]] = !DILocation(line: 110, column: 17,
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; CHECK: ![[DBG4]] = !DILocation(line: 110, column: 17,
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; CHECK: ![[DBG5]] = !DILocation(line: 110, column: 17,
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; CHECK: ![[DBG6]] = !DILocation(line: 10, column: 7,
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6}
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!llvm.ident = !{!7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 (trunk 177881)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "test.c", directory: "/tmp")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{i32 1, !"min_enum_size", i32 4}
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!7 = !{!"clang version 6.0.0"}
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!8 = distinct !DISubprogram(name: "caller", scope: !1, file: !1, line: 3, type: !9, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !12)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11, !11}
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!11 = !DIBasicType(name: "int", size: 19, encoding: DW_ATE_signed)
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!12 = !{!13}
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!13 = !DILocalVariable(name: "v", arg: 1, scope: !8, file: !1, line: 3, type: !11)
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!14 = !DILocation(line: 5, column: 10, scope: !8)
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!15 = distinct !DILexicalBlock(scope: !16, file: !1, line: 9, column: 7)
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!16 = distinct !DISubprogram(name: "callee", scope: !1, file: !1, line: 8, type: !9, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !12)
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!17 = !DILocation(line: 10, column: 7, scope: !15)
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!18 = distinct !DISubprogram(name: "callee2", scope: !1, file: !1, line: 8, type: !9, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !12)
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!19 = distinct !DILexicalBlock(scope: !18, file: !1, line: 100, column: 1)
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!20 = !DILocation(line: 110, column: 17, scope: !19)
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!21 = distinct !DISubprogram(name: "caller2", scope: !1, file: !1, line: 8, type: !9, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !12)
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!22 = !DILocation(line: 110, column: 17, scope: !21)
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!23 = !DILocation(line: 15, column: 7, scope: !15)
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