mirror of
https://github.com/c64scene-ar/llvm-6502.git
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4de9d72883
This is only tested for global variables at the moment (& includes tests for the unnamed parameter case, since apparently this entire function was completely untested previously) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181632 91177308-0d34-0410-b5e6-96231b3b80d8
85 lines
5.3 KiB
LLVM
85 lines
5.3 KiB
LLVM
; REQUIRES: object-emission
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; RUN: llc -O0 -filetype=obj < %s > %t
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; RUN: llvm-dwarfdump %t | FileCheck %s
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; IR generated with `clang++ -g -emit-llvm -S` from the following code:
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; template<int, int* x> func() { }
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; int glbl = func<3, &glbl>();
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; CHECK: [[INT:0x[0-9a-f]*]]:{{ *}}DW_TAG_base_type
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; CHECK-NEXT: DW_AT_name{{.*}} = "int"
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; CHECK: DW_AT_name{{.*}}"func<3, &glbl>"
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
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; CHECK-NEXT: DW_AT_name{{.*}}= "x"
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; This could be made shorter by encoding it as _sdata rather than data4, or
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; even as data1. DWARF strongly urges implementations to prefer
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; _sdata/_udata rather than dataN
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_data4]{{.*}}(0x00000003)
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INTPTR:0x[0-9a-f]*]]}
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; The address of the global 'glbl', followed by DW_OP_stack_value (9f), to use
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; the value immediately, rather than indirecting through the address.
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; CHECK-NEXT: DW_AT_location [DW_FORM_block1]{{ *}}(<0x0a> 03 00 00 00 00 00 00 00 00 9f )
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; CHECK: [[INTPTR]]:{{ *}}DW_TAG_pointer_type
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; CHECK-NEXT: DW_AT_type{{.*}} => {[[INT]]}
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@glbl = global i32 0, align 4
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@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
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define internal void @__cxx_global_var_init() section ".text.startup" {
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entry:
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%call = call i32 @_Z4funcILi3EXadL_Z4glblEEEiv(), !dbg !20
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store i32 %call, i32* @glbl, align 4, !dbg !20
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ret void, !dbg !20
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}
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; Function Attrs: nounwind uwtable
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define linkonce_odr i32 @_Z4funcILi3EXadL_Z4glblEEEiv() #0 {
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entry:
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ret i32 3, !dbg !21
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}
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define internal void @_GLOBAL__I_a() section ".text.startup" {
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entry:
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call void @__cxx_global_var_init(), !dbg !22
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ret void, !dbg !22
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}
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.dbg.cu = !{!0}
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!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !18, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/templ.cpp] [DW_LANG_C_plus_plus]
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!1 = metadata !{metadata !"templ.cpp", metadata !"/usr/local/google/home/blaikie/dev/scratch"}
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!2 = metadata !{i32 0}
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!3 = metadata !{metadata !4, metadata !8, metadata !16}
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!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"__cxx_global_var_init", metadata !"__cxx_global_var_init", metadata !"", i32 2, metadata !6, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @__cxx_global_var_init, null, null, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [local] [def] [__cxx_global_var_init]
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!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/scratch/templ.cpp]
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!6 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = metadata !{null}
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!8 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"func<3, &glbl>", metadata !"func<3, &glbl>", metadata !"_Z4funcILi3EXadL_Z4glblEEEiv", i32 1, metadata !9, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z4funcILi3EXadL_Z4glblEEEiv, metadata !12, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [func<3, &glbl>]
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!9 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !10, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!10 = metadata !{metadata !11}
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!11 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!12 = metadata !{metadata !13, metadata !14}
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!13 = metadata !{i32 786480, null, metadata !"x", metadata !11, i32 3, null, i32 0, i32 0} ; [ DW_TAG_template_value_parameter ]
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!14 = metadata !{i32 786480, null, metadata !"", metadata !15, i32* @glbl, null, i32 0, i32 0} ; [ DW_TAG_template_value_parameter ]
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!15 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
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!16 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"_GLOBAL__I_a", metadata !"_GLOBAL__I_a", metadata !"", i32 1, metadata !17, i1 true, i1 true, i32 0, i32 0, null, i32 64, i1 false, void ()* @_GLOBAL__I_a, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [local] [def] [_GLOBAL__I_a]
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!17 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !2, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!18 = metadata !{metadata !19}
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!19 = metadata !{i32 786484, i32 0, null, metadata !"glbl", metadata !"glbl", metadata !"", metadata !5, i32 2, metadata !11, i32 0, i32 1, i32* @glbl, null} ; [ DW_TAG_variable ] [glbl] [line 2] [def]
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!20 = metadata !{i32 2, i32 0, metadata !4, null}
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!21 = metadata !{i32 1, i32 0, metadata !8, null}
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!22 = metadata !{i32 1, i32 0, metadata !16, null}
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