mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-29 13:29:28 +00:00
Grab the `MDLocalVariable` from the second-to-last argument; the last argument is an `MDExpression`, and mixing them up will crash. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234019 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
2.9 KiB
LLVM
57 lines
2.9 KiB
LLVM
; RUN: llc -debug -mtriple x86_64-apple-darwin < %s -o /dev/null 2>&1 | FileCheck %s
|
|
; REQUIRES: asserts
|
|
; Check that llc -debug actually prints variables and locations, rather than
|
|
; crashing.
|
|
|
|
; CHECK: DBG_VALUE
|
|
|
|
; Generated using `clang -g -O2 -S -emit-llvm -g` on the following source:
|
|
;
|
|
; static int foo(int x) { return x; }
|
|
; int bar(int x) { return foo(x); }
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.10.0"
|
|
|
|
; Function Attrs: nounwind readnone ssp uwtable
|
|
define i32 @bar(i32 %x) #0 {
|
|
entry:
|
|
tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !9, metadata !17), !dbg !18
|
|
tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !19, metadata !17), !dbg !21
|
|
ret i32 %x, !dbg !22
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
|
|
|
|
attributes #0 = { nounwind readnone ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="core2" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #1 = { nounwind readnone }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!13, !14, !15}
|
|
!llvm.ident = !{!16}
|
|
|
|
!0 = !MDCompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 233919) (llvm/trunk 233920)", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
|
|
!1 = !MDFile(filename: "t.c", directory: "/Users/dexonsmith/data/llvm/debug-info/test/DebugInfo/X86")
|
|
!2 = !{}
|
|
!3 = !{!4, !10}
|
|
!4 = !MDSubprogram(name: "bar", scope: !1, file: !1, line: 2, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, function: i32 (i32)* @bar, variables: !8)
|
|
!5 = !MDSubroutineType(types: !6)
|
|
!6 = !{!7, !7}
|
|
!7 = !MDBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!8 = !{!9}
|
|
!9 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", arg: 1, scope: !4, file: !1, line: 2, type: !7)
|
|
!10 = !MDSubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, isLocal: true, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, variables: !11)
|
|
!11 = !{!12}
|
|
!12 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", arg: 1, scope: !10, file: !1, line: 1, type: !7)
|
|
!13 = !{i32 2, !"Dwarf Version", i32 2}
|
|
!14 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!15 = !{i32 1, !"PIC Level", i32 2}
|
|
!16 = !{!"clang version 3.7.0 (trunk 233919) (llvm/trunk 233920)"}
|
|
!17 = !MDExpression()
|
|
!18 = !MDLocation(line: 2, column: 13, scope: !4)
|
|
!19 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "x", arg: 1, scope: !10, file: !1, line: 1, type: !7, inlinedAt: !20)
|
|
!20 = distinct !MDLocation(line: 2, column: 25, scope: !4)
|
|
!21 = !MDLocation(line: 1, column: 20, scope: !10, inlinedAt: !20)
|
|
!22 = !MDLocation(line: 2, column: 18, scope: !4)
|