mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-10-31 08:16:47 +00:00
bc1fd917f0
This removes the -segmented-stacks command line flag in favor of a per-function "split-stack" attribute. Patch by Luqman Aden and Alex Crichton! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205997 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
5.1 KiB
LLVM
83 lines
5.1 KiB
LLVM
; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -verify-machineinstrs -filetype=asm | FileCheck %s -check-prefix=ARM-linux
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; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -filetype=obj
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10}
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!llvm.ident = !{!11}
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define void @test_basic() #0 {
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%mem = alloca i32, i32 10
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call void @dummy_use (i32* %mem, i32 10)
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ret void
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; ARM-linux: test_basic:
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; ARM-linux: push {r4, r5}
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; ARM-linux: .cfi_def_cfa_offset 8
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; ARM-linux: .cfi_offset r5, -4
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; ARM-linux: .cfi_offset r4, -8
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; ARM-linux-NEXT: mrc p15, #0, r4, c13, c0, #3
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; ARM-linux-NEXT: mov r5, sp
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; ARM-linux-NEXT: ldr r4, [r4, #4]
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; ARM-linux-NEXT: cmp r4, r5
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; ARM-linux-NEXT: blo .LBB0_2
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; ARM-linux: mov r4, #48
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; ARM-linux-NEXT: mov r5, #0
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; ARM-linux-NEXT: stmdb sp!, {lr}
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; ARM-linux: .cfi_def_cfa_offset 12
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; ARM-linux: .cfi_offset lr, -12
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; ARM-linux-NEXT: bl __morestack
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; ARM-linux-NEXT: ldm sp!, {lr}
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; ARM-linux-NEXT: pop {r4, r5}
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; ARM-linux: .cfi_def_cfa_offset 0
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; ARM-linux-NEXT: bx lr
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; ARM-linux: pop {r4, r5}
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; ARM-linux: .cfi_def_cfa_offset 0
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; ARM-linux .cfi_same_value r4
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; ARM-linux .cfi_same_value r5
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}
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!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/var.c] [DW_LANG_C99]
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!1 = metadata !{metadata !"var.c", metadata !"/tmp"}
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!2 = metadata !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"test_basic",
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metadata !"test_basic", metadata !"", i32 5, metadata !6, i1 false, i1 true,
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i32 0, i32 0, null, i32 256, i1 false, void ()* @test_basic, null, null, metadata !2, i32 5} ; [ DW_TAG_subprogram ] [line 5] [def] [sum]
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!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/var.c]
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!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = metadata !{metadata !8, metadata !8}
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!8 = 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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!9 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
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!10 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
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!11 = metadata !{metadata !"clang version 3.5 "}
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!12 = metadata !{i32 786689, metadata !4, metadata !"count", metadata !5, i32 16777221, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [count] [line 5]
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!13 = metadata !{i32 5, i32 0, metadata !4, null}
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!14 = metadata !{i32 786688, metadata !4, metadata !"vl", metadata !5, i32 6, metadata !15, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [vl] [line 6]
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!15 = metadata !{i32 786454, metadata !16, null, metadata !"va_list", i32 30, i64 0, i64 0, i64 0, i32 0, metadata !17} ; [ DW_TAG_typedef ] [va_list] [line 30, size 0, align 0, offset 0] [from __builtin_va_list]
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!16 = metadata !{metadata !"/linux-x86_64-high/gcc_4.7.2/dbg/llvm/bin/../lib/clang/3.5/include/stdarg.h", metadata !"/tmp"}
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!17 = metadata !{i32 786454, metadata !1, null, metadata !"__builtin_va_list", i32 6, i64 0, i64 0, i64 0, i32 0, metadata !18} ; [ DW_TAG_typedef ] [__builtin_va_list] [line 6, size 0, align 0, offset 0] [from __va_list]
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!18 = metadata !{i32 786451, metadata !1, null, metadata !"__va_list", i32 6, i64 32, i64 32, i32 0, i32 0, null, metadata !19, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [__va_list] [line 6, size 32, align 32, offset 0] [def] [from ]
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!19 = metadata !{metadata !20}
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!20 = metadata !{i32 786445, metadata !1, metadata !18, metadata !"__ap", i32 6, i64 32, i64 32, i64 0, i32 0, metadata !21} ; [ DW_TAG_member ] [__ap] [line 6, size 32, align 32, offset 0] [from ]
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!21 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 32, i64 32, i64 0, i32 0, null} ; [ DW_TAG_pointer_type ] [line 0, size 32, align 32, offset 0] [from ]
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!22 = metadata !{i32 6, i32 0, metadata !4, null}
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!23 = metadata !{i32 7, i32 0, metadata !4, null}
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!24 = metadata !{i32 786688, metadata !4, metadata !"test_basic", metadata !5, i32 8, metadata !8, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [sum] [line 8]
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!25 = metadata !{i32 8, i32 0, metadata !4, null} ; [ DW_TAG_imported_declaration ]
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!26 = metadata !{i32 786688, metadata !27, metadata !"i", metadata !5, i32 9, metadata !8, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [i] [line 9]
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!27 = metadata !{i32 786443, metadata !1, metadata !4, i32 9, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [/tmp/var.c]
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!28 = metadata !{i32 9, i32 0, metadata !27, null}
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!29 = metadata !{i32 10, i32 0, metadata !30, null}
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!30 = metadata !{i32 786443, metadata !1, metadata !27, i32 9, i32 0, i32 1} ; [ DW_TAG_lexical_block ] [/tmp/var.c]
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!31 = metadata !{i32 11, i32 0, metadata !30, null}
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!32 = metadata !{i32 12, i32 0, metadata !4, null}
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!33 = metadata !{i32 13, i32 0, metadata !4, null}
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; Just to prevent the alloca from being optimized away
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declare void @dummy_use(i32*, i32)
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attributes #0 = { "split-stack" }
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