mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-14 23:29:51 +00:00
82 lines
3.1 KiB
LLVM
82 lines
3.1 KiB
LLVM
; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t
|
|
; RUN: FileCheck %s -check-prefix=X86 < %t
|
|
; RUN: FileCheck %s -check-prefix=X86-GOT-EQUIV < %t
|
|
|
|
; GOT equivalent globals references can be replaced by the GOT entry of the
|
|
; final symbol instead.
|
|
|
|
%struct.data = type { i32, %struct.anon }
|
|
%struct.anon = type { i32, i32 }
|
|
|
|
; Check that these got equivalent symbols are never emitted.
|
|
|
|
; X86-GOT-EQUIV-NOT: L_localgotequiv
|
|
; X86-GOT-EQUIV-NOT: l_extgotequiv
|
|
@localfoo = global i32 42
|
|
@localgotequiv = private unnamed_addr constant i32* @localfoo
|
|
|
|
@extfoo = external global i32
|
|
@extgotequiv = private unnamed_addr constant i32* @extfoo
|
|
|
|
; Don't replace GOT equivalent usage within instructions and emit the GOT
|
|
; equivalent since it can't be replaced by the GOT entry. @bargotequiv is
|
|
; used by an instruction inside @t0.
|
|
;
|
|
; X86: l_bargotequiv:
|
|
; X86-NEXT: .quad _extbar
|
|
@extbar = external global i32
|
|
@bargotequiv = private unnamed_addr constant i32* @extbar
|
|
|
|
@table = global [4 x %struct.data] [
|
|
%struct.data { i32 1, %struct.anon { i32 2, i32 3 } },
|
|
; Test GOT equivalent usage inside nested constant arrays.
|
|
|
|
; X86: .long 5
|
|
; X86-NOT: .long _localgotequiv-(_table+20)
|
|
; X86-NEXT: .long _localfoo@GOTPCREL+4
|
|
%struct.data { i32 4, %struct.anon { i32 5,
|
|
i32 trunc (i64 sub (i64 ptrtoint (i32** @localgotequiv to i64),
|
|
i64 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data]* @table, i32 0, i64 1, i32 1, i32 1) to i64))
|
|
to i32)}
|
|
},
|
|
; X86: .long 5
|
|
; X86-NOT: _extgotequiv-(_table+32)
|
|
; X86-NEXT: .long _extfoo@GOTPCREL+4
|
|
%struct.data { i32 4, %struct.anon { i32 5,
|
|
i32 trunc (i64 sub (i64 ptrtoint (i32** @extgotequiv to i64),
|
|
i64 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data]* @table, i32 0, i64 2, i32 1, i32 1) to i64))
|
|
to i32)}
|
|
},
|
|
; Test support for arbitrary constants into the GOTPCREL offset.
|
|
|
|
; X86: .long 5
|
|
; X86-NOT: _extgotequiv-(_table+44)
|
|
; X86-NEXT: .long _extfoo@GOTPCREL+28
|
|
%struct.data { i32 4, %struct.anon { i32 5,
|
|
i32 add (i32 trunc (i64 sub (i64 ptrtoint (i32** @extgotequiv to i64),
|
|
i64 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data]* @table, i32 0, i64 3, i32 1, i32 1) to i64))
|
|
to i32), i32 24)}
|
|
}
|
|
], align 16
|
|
|
|
; Test multiple uses of GOT equivalents.
|
|
|
|
; X86-LABEL: _delta
|
|
; X86: .long _extfoo@GOTPCREL+4
|
|
@delta = global i32 trunc (i64 sub (i64 ptrtoint (i32** @extgotequiv to i64),
|
|
i64 ptrtoint (i32* @delta to i64))
|
|
to i32)
|
|
|
|
; X86-LABEL: _deltaplus:
|
|
; X86: .long _localfoo@GOTPCREL+59
|
|
@deltaplus = global i32 add (i32 trunc (i64 sub (i64 ptrtoint (i32** @localgotequiv to i64),
|
|
i64 ptrtoint (i32* @deltaplus to i64))
|
|
to i32), i32 55)
|
|
|
|
define i32 @t0(i32 %a) {
|
|
%x = add i32 trunc (i64 sub (i64 ptrtoint (i32** @bargotequiv to i64),
|
|
i64 ptrtoint (i32 (i32)* @t0 to i64))
|
|
to i32), %a
|
|
ret i32 %x
|
|
}
|