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llvm-6502/test/DebugInfo/inline-debug-info.ll
Duncan P. N. Exon Smith e56023a059 IR: Give 'DI' prefix to debug info metadata 
Finish off PR23080 by renaming the debug info IR constructs from `MD*`
to `DI*`.  The last of the `DIDescriptor` classes were deleted in
r235356, and the last of the related typedefs removed in r235413, so
this has all baked for about a week.

Note: If you have out-of-tree code (like a frontend), I recommend that
you get everything compiling and tests passing with the *previous*
commit before updating to this one.  It'll be easier to keep track of
what code is using the `DIDescriptor` hierarchy and what you've already
updated, and I think you're extremely unlikely to insert bugs.  YMMV of
course.

Back to *this* commit: I did this using the rename-md-di-nodes.sh
upgrade script I've attached to PR23080 (both code and testcases) and
filtered through clang-format-diff.py.  I edited the tests for
test/Assembler/invalid-generic-debug-node-*.ll by hand since the columns
were off-by-three.  It should work on your out-of-tree testcases (and
code, if you've followed the advice in the previous paragraph).

Some of the tests are in badly named files now (e.g.,
test/Assembler/invalid-mdcompositetype-missing-tag.ll should be
'dicompositetype'); I'll come back and move the files in a follow-up
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236120 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-29 16:38:44 +00:00

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; RUN: opt -inline -S < %s | FileCheck %s
; Created from source
;
;
; 1 // test.cpp
; 2 extern int global_var;
; 3 extern int test_ext(int k);
; 4 int test (int k) {
; 5 int k2 = test_ext(k);
; 6 if (k2 > 100)
; 7 return k2;
; 8 return 0;
; 9 }
; 10
; 11 int test2() {
; 12 try
; 13 {
; 14 test(global_var);
; 15 }
; 16 catch (int e) {
; 17 global_var = 0;
; 18 }
; 19 global_var = 1;
; 20 return 0;
; 21 }
; CHECK: _Z4testi.exit:
; Make sure the branch instruction created during inlining has a debug location,
; so the range of the inlined function is correct.
; CHECK: br label %invoke.cont, !dbg [[MD:![0-9]+]]
; The branch instruction has the source location of line 9 and its inlined location
; has the source location of line 14.
; CHECK: [[INL:![0-9]*]] = distinct !DILocation(line: 14, scope: {{.*}})
; CHECK: [[MD]] = !DILocation(line: 9, scope: {{.*}}, inlinedAt: [[INL]])
; ModuleID = 'test.cpp'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-darwin12.0.0"
@_ZTIi = external constant i8*
@global_var = external global i32
define i32 @_Z4testi(i32 %k) {
entry:
%retval = alloca i32, align 4
%k.addr = alloca i32, align 4
%k2 = alloca i32, align 4
store i32 %k, i32* %k.addr, align 4
call void @llvm.dbg.declare(metadata i32* %k.addr, metadata !13, metadata !DIExpression()), !dbg !14
call void @llvm.dbg.declare(metadata i32* %k2, metadata !15, metadata !DIExpression()), !dbg !16
%0 = load i32, i32* %k.addr, align 4, !dbg !16
%call = call i32 @_Z8test_exti(i32 %0), !dbg !16
store i32 %call, i32* %k2, align 4, !dbg !16
%1 = load i32, i32* %k2, align 4, !dbg !17
%cmp = icmp sgt i32 %1, 100, !dbg !17
br i1 %cmp, label %if.then, label %if.end, !dbg !17
if.then: ; preds = %entry
%2 = load i32, i32* %k2, align 4, !dbg !18
store i32 %2, i32* %retval, !dbg !18
br label %return, !dbg !18
if.end: ; preds = %entry
store i32 0, i32* %retval, !dbg !19
br label %return, !dbg !19
return: ; preds = %if.end, %if.then
%3 = load i32, i32* %retval, !dbg !20
ret i32 %3, !dbg !20
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
declare i32 @_Z8test_exti(i32)
define i32 @_Z5test2v() {
entry:
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%e = alloca i32, align 4
%0 = load i32, i32* @global_var, align 4, !dbg !21
%call = invoke i32 @_Z4testi(i32 %0)
to label %invoke.cont unwind label %lpad, !dbg !21
invoke.cont: ; preds = %entry
br label %try.cont, !dbg !23
lpad: ; preds = %entry
%1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* bitcast (i8** @_ZTIi to i8*), !dbg !21
%2 = extractvalue { i8*, i32 } %1, 0, !dbg !21
store i8* %2, i8** %exn.slot, !dbg !21
%3 = extractvalue { i8*, i32 } %1, 1, !dbg !21
store i32 %3, i32* %ehselector.slot, !dbg !21
br label %catch.dispatch, !dbg !21
catch.dispatch: ; preds = %lpad
%sel = load i32, i32* %ehselector.slot, !dbg !23
%4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #2, !dbg !23
%matches = icmp eq i32 %sel, %4, !dbg !23
br i1 %matches, label %catch, label %eh.resume, !dbg !23
catch: ; preds = %catch.dispatch
call void @llvm.dbg.declare(metadata i32* %e, metadata !24, metadata !DIExpression()), !dbg !25
%exn = load i8*, i8** %exn.slot, !dbg !23
%5 = call i8* @__cxa_begin_catch(i8* %exn) #2, !dbg !23
%6 = bitcast i8* %5 to i32*, !dbg !23
%7 = load i32, i32* %6, align 4, !dbg !23
store i32 %7, i32* %e, align 4, !dbg !23
store i32 0, i32* @global_var, align 4, !dbg !26
call void @__cxa_end_catch() #2, !dbg !28
br label %try.cont, !dbg !28
try.cont: ; preds = %catch, %invoke.cont
store i32 1, i32* @global_var, align 4, !dbg !29
ret i32 0, !dbg !30
eh.resume: ; preds = %catch.dispatch
%exn1 = load i8*, i8** %exn.slot, !dbg !23
%sel2 = load i32, i32* %ehselector.slot, !dbg !23
%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn1, 0, !dbg !23
%lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %sel2, 1, !dbg !23
resume { i8*, i32 } %lpad.val3, !dbg !23
}
declare i32 @__gxx_personality_v0(...)
; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(i8*) #1
declare i8* @__cxa_begin_catch(i8*)
declare void @__cxa_end_catch()
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!31}
!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
!1 = !DIFile(filename: "<unknown>", directory: "")
!2 = !{}
!3 = !{!4, !10}
!4 = !DISubprogram(name: "test", linkageName: "_Z4testi", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !5, scope: !6, type: !7, function: i32 (i32)* @_Z4testi, variables: !2)
!5 = !DIFile(filename: "test.cpp", directory: "")
!6 = !DIFile(filename: "test.cpp", directory: "")
!7 = !DISubroutineType(types: !8)
!8 = !{!9, !9}
!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!10 = !DISubprogram(name: "test2", linkageName: "_Z5test2v", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 11, file: !5, scope: !6, type: !11, function: i32 ()* @_Z5test2v, variables: !2)
!11 = !DISubroutineType(types: !12)
!12 = !{!9}
!13 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "k", line: 4, arg: 1, scope: !4, file: !6, type: !9)
!14 = !DILocation(line: 4, scope: !4)
!15 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "k2", line: 5, scope: !4, file: !6, type: !9)
!16 = !DILocation(line: 5, scope: !4)
!17 = !DILocation(line: 6, scope: !4)
!18 = !DILocation(line: 7, scope: !4)
!19 = !DILocation(line: 8, scope: !4)
!20 = !DILocation(line: 9, scope: !4)
!21 = !DILocation(line: 14, scope: !22)
!22 = distinct !DILexicalBlock(line: 13, column: 0, file: !5, scope: !10)
!23 = !DILocation(line: 15, scope: !22)
!24 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "e", line: 16, scope: !10, file: !6, type: !9)
!25 = !DILocation(line: 16, scope: !10)
!26 = !DILocation(line: 17, scope: !27)
!27 = distinct !DILexicalBlock(line: 16, column: 0, file: !5, scope: !10)
!28 = !DILocation(line: 18, scope: !27)
!29 = !DILocation(line: 19, scope: !10)
!30 = !DILocation(line: 20, scope: !10)
!31 = !{i32 1, !"Debug Info Version", i32 3}
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