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Debug info: Get rid of the VLA indirection hack in FastISel.

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Use the DIVariable::isIndirect() flag set by the frontend instead of
guessing whether to set the machine location's indirection bit.
Paired commit with CFE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190961 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adrian Prantl
2013-09-18 22:08:59 +00:00
parent 51279d45f7
commit 0a4371a207
4 changed files with 19 additions and 21 deletions
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7
test/DebugInfo/X86/vla.ll
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@@ -1,6 +1,7 @@
; RUN: llc -O0 -mtriple=x86_64-apple-darwin -filetype=asm %s -o - | FileCheck %s
; Ensure that we generate a breg+0 location for the variable length array a.
; CHECK: ##DEBUG_VALUE: vla:a <- [RDX+0]
; Ensure that we generate an indirect location for the variable length array a.
; CHECK: ##DEBUG_VALUE: vla:a <- RDX
; CHECK: DW_OP_breg1
; rdar://problem/13658587
;
; generated from:
@@ -91,7 +92,7 @@ entry:
!15 = metadata !{i32 786689, metadata !4, metadata !"n", metadata !5, i32 16777217, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [n] [line 1]
!16 = metadata !{i32 1, i32 0, metadata !4, null}
!17 = metadata !{i32 2, i32 0, metadata !4, null}
!18 = metadata !{i32 786688, metadata !4, metadata !"a", metadata !5, i32 2, metadata !19, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 2]
!18 = metadata !{i32 786688, metadata !4, metadata !"a", metadata !5, i32 2, metadata !19, i32 8192, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 2]
!19 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64 0, i64 32, i32 0, i32 0, metadata !8, metadata !20, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 0, align 32, offset 0] [from int]
!20 = metadata !{metadata !21}
!21 = metadata !{i32 786465, i64 0, i64 -1} ; [ DW_TAG_subrange_type ] [unbounded]