mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
83902832de
This reverts commit r218918, effectively reapplying r218914 after fixing an Ocaml bindings test and an Asan crash. The root cause of the latter was a tightened-up check in `DILexicalBlock::Verify()`, so I'll file a PR to investigate who requires the loose check (and why). Original commit message follows. -- This patch addresses the first stage of PR17891 by folding constant arguments together into a single MDString. Integers are stringified and a `\0` character is used as a separator. Part of PR17891. Note: I've attached my testcases upgrade scripts to the PR. If I've just broken your out-of-tree testcases, they might help. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219010 91177308-0d34-0410-b5e6-96231b3b80d8
157 lines
7.6 KiB
LLVM
157 lines
7.6 KiB
LLVM
; RUN: opt -inline -S < %s | FileCheck %s
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;
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; A hand-edited version of inline-debug-info.ll to test inlining of a
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; function with multiple returns.
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;
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; Make sure the branch instructions created during inlining has a debug location,
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; so the range of the inlined function is correct.
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; CHECK: br label %_Z4testi.exit, !dbg ![[MD:[0-9]+]]
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; CHECK: br label %_Z4testi.exit, !dbg ![[MD]]
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; CHECK: br label %invoke.cont, !dbg ![[MD]]
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; The branch instruction has the source location of line 9 and its inlined location
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; has the source location of line 14.
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; CHECK: ![[INL:[0-9]+]] = metadata !{i32 14, i32 0, metadata {{.*}}, null}
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; CHECK: ![[MD]] = metadata !{i32 9, i32 0, metadata {{.*}}, metadata ![[INL]]}
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; ModuleID = 'test.cpp'
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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"
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target triple = "x86_64-apple-darwin12.0.0"
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@_ZTIi = external constant i8*
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@global_var = external global i32
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; copy of above function with multiple returns
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define i32 @_Z4testi(i32 %k) {
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entry:
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%retval = alloca i32, align 4
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%k.addr = alloca i32, align 4
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%k2 = alloca i32, align 4
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store i32 %k, i32* %k.addr, align 4
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call void @llvm.dbg.declare(metadata !{i32* %k.addr}, metadata !13, metadata !{metadata !"0x102"}), !dbg !14
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call void @llvm.dbg.declare(metadata !{i32* %k2}, metadata !15, metadata !{metadata !"0x102"}), !dbg !16
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%0 = load i32* %k.addr, align 4, !dbg !16
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%call = call i32 @_Z8test_exti(i32 %0), !dbg !16
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store i32 %call, i32* %k2, align 4, !dbg !16
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%1 = load i32* %k2, align 4, !dbg !17
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%cmp = icmp sgt i32 %1, 100, !dbg !17
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br i1 %cmp, label %if.then, label %if.end, !dbg !17
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if.then: ; preds = %entry
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%2 = load i32* %k2, align 4, !dbg !18
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store i32 %2, i32* %retval, !dbg !18
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br label %return, !dbg !18
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if.end: ; preds = %entry
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store i32 0, i32* %retval, !dbg !19
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%3 = load i32* %retval, !dbg !20 ; hand-edited
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ret i32 %3, !dbg !20 ; hand-edited
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return: ; preds = %if.end, %if.then
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%4 = load i32* %retval, !dbg !20
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ret i32 %4, !dbg !20
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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 i32 @_Z8test_exti(i32)
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define i32 @_Z5test2v() {
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entry:
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%exn.slot = alloca i8*
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%ehselector.slot = alloca i32
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%e = alloca i32, align 4
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%0 = load i32* @global_var, align 4, !dbg !21
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%call = invoke i32 @_Z4testi(i32 %0)
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to label %invoke.cont unwind label %lpad, !dbg !21
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invoke.cont: ; preds = %entry
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br label %try.cont, !dbg !23
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lpad: ; preds = %entry
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%1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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catch i8* bitcast (i8** @_ZTIi to i8*), !dbg !21
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%2 = extractvalue { i8*, i32 } %1, 0, !dbg !21
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store i8* %2, i8** %exn.slot, !dbg !21
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%3 = extractvalue { i8*, i32 } %1, 1, !dbg !21
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store i32 %3, i32* %ehselector.slot, !dbg !21
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br label %catch.dispatch, !dbg !21
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catch.dispatch: ; preds = %lpad
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%sel = load i32* %ehselector.slot, !dbg !23
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%4 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #2, !dbg !23
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%matches = icmp eq i32 %sel, %4, !dbg !23
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br i1 %matches, label %catch, label %eh.resume, !dbg !23
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catch: ; preds = %catch.dispatch
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call void @llvm.dbg.declare(metadata !{i32* %e}, metadata !24, metadata !{metadata !"0x102"}), !dbg !25
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%exn = load i8** %exn.slot, !dbg !23
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%5 = call i8* @__cxa_begin_catch(i8* %exn) #2, !dbg !23
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%6 = bitcast i8* %5 to i32*, !dbg !23
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%7 = load i32* %6, align 4, !dbg !23
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store i32 %7, i32* %e, align 4, !dbg !23
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store i32 0, i32* @global_var, align 4, !dbg !26
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call void @__cxa_end_catch() #2, !dbg !28
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br label %try.cont, !dbg !28
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try.cont: ; preds = %catch, %invoke.cont
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store i32 1, i32* @global_var, align 4, !dbg !29
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ret i32 0, !dbg !30
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eh.resume: ; preds = %catch.dispatch
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%exn1 = load i8** %exn.slot, !dbg !23
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%sel2 = load i32* %ehselector.slot, !dbg !23
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%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn1, 0, !dbg !23
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%lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %sel2, 1, !dbg !23
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resume { i8*, i32 } %lpad.val3, !dbg !23
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}
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declare i32 @__gxx_personality_v0(...)
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; Function Attrs: nounwind readnone
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declare i32 @llvm.eh.typeid.for(i8*) #1
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!31}
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!0 = metadata !{metadata !"0x11\004\00clang version 3.3 \000\00\000\00\000", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [<unknown>] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"<unknown>", metadata !""}
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!2 = metadata !{i32 0}
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!3 = metadata !{metadata !4, metadata !10}
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!4 = metadata !{metadata !"0x2e\00test\00test\00_Z4testi\004\000\001\000\006\00256\000\004", metadata !5, metadata !6, metadata !7, null, i32 (i32)* @_Z4testi, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 4] [def] [test]
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!5 = metadata !{metadata !"test.cpp", metadata !""}
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!6 = metadata !{metadata !"0x29", metadata !5} ; [ DW_TAG_file_type ] [test.cpp]
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!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = metadata !{metadata !9, metadata !9}
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!9 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!10 = metadata !{metadata !"0x2e\00test2\00test2\00_Z5test2v\0011\000\001\000\006\00256\000\0011", metadata !5, metadata !6, metadata !11, null, i32 ()* @_Z5test2v, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 11] [def] [test2]
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!11 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!12 = metadata !{metadata !9}
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!13 = metadata !{metadata !"0x101\00k\0016777220\000", metadata !4, metadata !6, metadata !9} ; [ DW_TAG_arg_variable ] [k] [line 4]
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!14 = metadata !{i32 4, i32 0, metadata !4, null}
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!15 = metadata !{metadata !"0x100\00k2\005\000", metadata !4, metadata !6, metadata !9} ; [ DW_TAG_auto_variable ] [k2] [line 5]
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!16 = metadata !{i32 5, i32 0, metadata !4, null}
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!17 = metadata !{i32 6, i32 0, metadata !4, null}
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!18 = metadata !{i32 7, i32 0, metadata !4, null}
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!19 = metadata !{i32 8, i32 0, metadata !4, null}
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!20 = metadata !{i32 9, i32 0, metadata !4, null}
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!21 = metadata !{i32 14, i32 0, metadata !22, null}
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!22 = metadata !{metadata !"0xb\0013\000\000", metadata !5, metadata !10} ; [ DW_TAG_lexical_block ] [test.cpp]
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!23 = metadata !{i32 15, i32 0, metadata !22, null}
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!24 = metadata !{metadata !"0x100\00e\0016\000", metadata !10, metadata !6, metadata !9} ; [ DW_TAG_auto_variable ] [e] [line 16]
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!25 = metadata !{i32 16, i32 0, metadata !10, null}
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!26 = metadata !{i32 17, i32 0, metadata !27, null}
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!27 = metadata !{metadata !"0xb\0016\000\001", metadata !5, metadata !10} ; [ DW_TAG_lexical_block ] [test.cpp]
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!28 = metadata !{i32 18, i32 0, metadata !27, null}
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!29 = metadata !{i32 19, i32 0, metadata !10, null}
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!30 = metadata !{i32 20, i32 0, metadata !10, null}
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!31 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
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