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46d061dd28
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80902 91177308-0d34-0410-b5e6-96231b3b80d8
127 lines
2.9 KiB
LLVM
127 lines
2.9 KiB
LLVM
; RUN: llc < %s -mtriple=i686-pc-linux-gnu -relocation-model=pic | FileCheck %s -check-prefix=LINUX
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@ptr = external global i32*
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@dst = external global i32
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@src = external global i32
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define void @test1() nounwind {
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entry:
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store i32* @dst, i32** @ptr
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%tmp.s = load i32* @src
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store i32 %tmp.s, i32* @dst
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ret void
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; LINUX: test1:
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; LINUX: .LBB1_0:
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; LINUX: call .Lllvm$1.$piclabel
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; LINUX-NEXT: .Lllvm$1.$piclabel:
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; LINUX-NEXT: popl
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$1.$piclabel],
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; LINUX: movl dst@GOT(%eax),
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; LINUX: movl ptr@GOT(%eax),
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; LINUX: movl src@GOT(%eax),
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; LINUX: ret
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}
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@ptr2 = global i32* null
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@dst2 = global i32 0
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@src2 = global i32 0
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define void @test2() nounwind {
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entry:
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store i32* @dst2, i32** @ptr2
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%tmp.s = load i32* @src2
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store i32 %tmp.s, i32* @dst2
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ret void
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; LINUX: test2:
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; LINUX: call .Lllvm$2.$piclabel
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; LINUX-NEXT: .Lllvm$2.$piclabel:
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; LINUX-NEXT: popl
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$2.$piclabel], %eax
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; LINUX: movl dst2@GOT(%eax),
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; LINUX: movl ptr2@GOT(%eax),
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; LINUX: movl src2@GOT(%eax),
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; LINUX: ret
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}
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declare i8* @malloc(i32)
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define void @test3() nounwind {
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entry:
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%ptr = call i8* @malloc(i32 40)
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ret void
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; LINUX: test3:
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; LINUX: pushl %ebx
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; LINUX-NEXT: subl $8, %esp
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; LINUX-NEXT: call .Lllvm$3.$piclabel
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; LINUX-NEXT: .Lllvm$3.$piclabel:
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; LINUX-NEXT: popl %ebx
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$3.$piclabel], %ebx
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; LINUX: movl $40, (%esp)
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; LINUX: call malloc@PLT
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; LINUX: addl $8, %esp
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; LINUX: popl %ebx
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; LINUX: ret
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}
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@pfoo = external global void(...)*
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define void @test4() nounwind {
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entry:
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%tmp = call void(...)*(...)* @afoo()
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store void(...)* %tmp, void(...)** @pfoo
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%tmp1 = load void(...)** @pfoo
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call void(...)* %tmp1()
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ret void
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; LINUX: test4:
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; LINUX: call .Lllvm$4.$piclabel
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; LINUX-NEXT: .Lllvm$4.$piclabel:
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; LINUX: popl
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$4.$piclabel],
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; LINUX: movl pfoo@GOT(%esi),
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; LINUX: call afoo@PLT
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; LINUX: call *
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}
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declare void(...)* @afoo(...)
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define void @test5() nounwind {
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entry:
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call void(...)* @foo()
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ret void
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; LINUX: test5:
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; LINUX: call .Lllvm$5.$piclabel
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; LINUX: popl %ebx
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$5.$piclabel], %ebx
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; LINUX: call foo@PLT
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}
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declare void @foo(...)
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@ptr6 = internal global i32* null
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@dst6 = internal global i32 0
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@src6 = internal global i32 0
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define void @test6() nounwind {
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entry:
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store i32* @dst6, i32** @ptr6
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%tmp.s = load i32* @src6
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store i32 %tmp.s, i32* @dst6
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ret void
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; LINUX: test6:
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; LINUX: call .Lllvm$6.$piclabel
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; LINUX-NEXT: .Lllvm$6.$piclabel:
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; LINUX-NEXT: popl %eax
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; LINUX: addl $_GLOBAL_OFFSET_TABLE_ + [.-.Lllvm$6.$piclabel], %eax
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; LINUX: leal dst6@GOTOFF(%eax), %ecx
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; LINUX: movl %ecx, ptr6@GOTOFF(%eax)
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; LINUX: movl src6@GOTOFF(%eax), %ecx
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; LINUX: movl %ecx, dst6@GOTOFF(%eax)
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; LINUX: ret
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}
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