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Matt Arsenault 5b56cc85b0 Rename ExpandISelPseudo->FinalizeISel, delay register reservation
This allows targets to make more decisions about reserved registers
after isel. For example, now it should be certain there are calls or
stack objects in the frame or not, which could have been introduced by
legalization.

Patch by Matthias Braun

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@363757 91177308-0d34-0410-b5e6-96231b3b80d8
2019-06-19 00:25:39 +00:00

27 lines
1.1 KiB
LLVM

; RUN: llc -o - %s -fast-isel -stop-before=finalize-isel | FileCheck %s
; Make sure fast-isel produces DBG_VALUE instructions even if no debug printer
; is scheduled because of -stop-before.
target triple="aarch64--"
; CHECK-LABEL: name: func
; CHECK: DBG_VALUE
define void @func(i32 %a) !dbg !4 {
call void @llvm.dbg.declare(metadata i32 %a, metadata !5, metadata !DIExpression()), !dbg !7
ret void
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
attributes #0 = { nounwind readnone speculatable }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!2, !3}
!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly)
!1 = !DIFile(filename: "fast-isel-dbg.ll", directory: "/")
!2 = !{i32 2, !"Dwarf Version", i32 4}
!3 = !{i32 2, !"Debug Info Version", i32 3}
!4 = distinct !DISubprogram(name: "func", scope: null, isLocal: false, isDefinition: true, isOptimized: false, unit: !0)
!5 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 17, type: !6)
!6 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
!7 = !DILocation(line: 17, scope: !4)