af1d2b9fb1
This was first introduced way back in in 2010 by 6c74a872a8d34d41b751efb68e335cbe91b5a5cc, and has little evidence of use. Only one test attempts to make use of this, but it's also redundant since it's also using strip to drop debug info anyway (and that also makes the test buggy, since it's intended to test with and without debug info). The other tests using it were only added to test the option after discovering it was untested and moved, in later commits.
123 lines
5.6 KiB
LLVM
123 lines
5.6 KiB
LLVM
; RUN: llc -mtriple=x86_64-linux-gnueabi < %s | FileCheck %s
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; RUN: opt -passes=strip -S < %s | llc -mtriple=x86_64-linux-gnueabi | FileCheck %s
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; This test checks if the code is generated correctly with and without debug info.
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; This LL file was generated by running 'clang -g -gcodeview' on the
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; following code:
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; 1: extern "C" volatile int x;
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; 2: extern "C" void capture(int *p);
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; 3: static __forceinline inline void will_be_inlined() {
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; 4: int v = 3;
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; 5: capture(&v);
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; 6: }
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; 7: extern "C" void f(int param) {
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; 8: if (param) {
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; 9: int a = 42;
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; 10: will_be_inlined();
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; 11: capture(&a);
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; 12: } else {
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; 13: int b = 42;
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; 14: will_be_inlined();
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; 15: capture(&b);
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; 16: }
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; 17: }
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; ModuleID = 't.cpp'
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; Function Attrs: nounwind uwtable
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define void @f(i32 %param) #0 !dbg !4 {
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entry:
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%v.i1 = alloca i32, align 4
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call void @llvm.dbg.declare(metadata ptr %v.i1, metadata !15, metadata !16), !dbg !17
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%v.i = alloca i32, align 4
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call void @llvm.dbg.declare(metadata ptr %v.i, metadata !15, metadata !16), !dbg !21
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%param.addr = alloca i32, align 4
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%a = alloca i32, align 4
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%b = alloca i32, align 4
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store i32 %param, ptr %param.addr, align 4
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call void @llvm.dbg.declare(metadata ptr %param.addr, metadata !24, metadata !16), !dbg !25
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%0 = load i32, ptr %param.addr, align 4, !dbg !26
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%tobool = icmp ne i32 %0, 0, !dbg !26
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br i1 %tobool, label %if.then, label %if.else, !dbg !27
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;CHECK: movl [[REG:.*]], 20(%rsp)
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;CHECK: je [[LABEL:.*]]
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if.then: ; preds = %entry
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call void @llvm.dbg.declare(metadata ptr %a, metadata !28, metadata !16), !dbg !29
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store i32 42, ptr %a, align 4, !dbg !29
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store i32 3, ptr %v.i, align 4, !dbg !21
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call void @capture(ptr %v.i) #3, !dbg !30
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call void @capture(ptr %a), !dbg !31
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br label %if.end, !dbg !32
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;CHECK: movl $3, 12(%rsp)
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if.else: ; preds = %entry
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call void @llvm.dbg.declare(metadata ptr %b, metadata !33, metadata !16), !dbg !34
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store i32 42, ptr %b, align 4, !dbg !34
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store i32 3, ptr %v.i1, align 4, !dbg !17
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call void @capture(ptr %v.i1) #3, !dbg !35
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call void @capture(ptr %b), !dbg !36
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br label %if.end
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;CHECK: [[LABEL]]:
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;CHECK: movl $3, 16(%rsp)
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if.end: ; preds = %if.else, %if.then
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ret void, !dbg !37
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare void @capture(ptr) #2
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attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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attributes #2 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!11, !12, !13}
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!llvm.ident = !{!14}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 7, type: !5, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null, !7}
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!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!8 = distinct !DISubprogram(name: "will_be_inlined", linkageName: "\01?will_be_inlined@@YAXXZ", scope: !1, file: !1, line: 3, type: !9, isLocal: true, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
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!9 = !DISubroutineType(types: !10)
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!10 = !{null}
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!11 = !{i32 2, !"CodeView", i32 1}
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!12 = !{i32 2, !"Debug Info Version", i32 3}
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!13 = !{i32 1, !"PIC Level", i32 2}
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!14 = !{!"clang version 3.9.0 "}
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!15 = !DILocalVariable(name: "v", scope: !8, file: !1, line: 4, type: !7)
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!16 = !DIExpression()
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!17 = !DILocation(line: 4, column: 7, scope: !8, inlinedAt: !18)
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!18 = distinct !DILocation(line: 14, column: 5, scope: !19)
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!19 = distinct !DILexicalBlock(scope: !20, file: !1, line: 12, column: 10)
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!20 = distinct !DILexicalBlock(scope: !4, file: !1, line: 8, column: 7)
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!21 = !DILocation(line: 4, column: 7, scope: !8, inlinedAt: !22)
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!22 = distinct !DILocation(line: 10, column: 5, scope: !23)
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!23 = distinct !DILexicalBlock(scope: !20, file: !1, line: 8, column: 14)
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!24 = !DILocalVariable(name: "param", arg: 1, scope: !4, file: !1, line: 7, type: !7)
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!25 = !DILocation(line: 7, column: 23, scope: !4)
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!26 = !DILocation(line: 8, column: 7, scope: !20)
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!27 = !DILocation(line: 8, column: 7, scope: !4)
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!28 = !DILocalVariable(name: "a", scope: !23, file: !1, line: 9, type: !7)
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!29 = !DILocation(line: 9, column: 9, scope: !23)
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!30 = !DILocation(line: 5, column: 3, scope: !8, inlinedAt: !22)
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!31 = !DILocation(line: 11, column: 5, scope: !23)
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!32 = !DILocation(line: 12, column: 3, scope: !23)
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!33 = !DILocalVariable(name: "b", scope: !19, file: !1, line: 13, type: !7)
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!34 = !DILocation(line: 13, column: 9, scope: !19)
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!35 = !DILocation(line: 5, column: 3, scope: !8, inlinedAt: !18)
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!36 = !DILocation(line: 15, column: 5, scope: !19)
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!37 = !DILocation(line: 17, column: 1, scope: !4)
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