Files
llvm/test/CodeGen/X86/fixed-stack-di-mir.ll
T
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

33 lines
1.2 KiB
LLVM

; RUN: llc -mtriple=x86_64-apple-unknown -stop-before=finalize-isel %s -o - -simplify-mir | FileCheck %s
; The byval argument of the function will be allocated a fixed stack slot. Test
; that we serialize the fixed slot correctly.
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-unknown"
declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
define hidden void @foo(i32* byval %dstRect) {
; CHECK-LABEL: name: foo
entry:
call void @llvm.dbg.declare(metadata i32* %dstRect, metadata !3, metadata !DIExpression()), !dbg !5
; CHECK: fixedStack:
; CHECK: id: 0
; CHECK: debug-info-variable: '!3'
; CHECK: debug-info-expression: '!DIExpression()'
; CHECK: debug-info-location: '!5'
unreachable
}
attributes #0 = { nounwind readnone speculatable }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!2}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1)
!1 = !DIFile(filename: "file.cpp", directory: "/dir")
!2 = !{i32 2, !"Debug Info Version", i32 3}
!3 = !DILocalVariable(name: "dstRect", scope: !4)
!4 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !0, file: !1, line: 42, unit: !0)
!5 = !DILocation(line: 42, column: 85, scope: !4)