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|
; RUN: llc < %s -mcpu=generic -mtriple=i686-pc-linux-gnu -relocation-model=pic -asm-verbose=false -post-RA-scheduler=false | FileCheck %s -check-prefix=LINUX
@ptr = external global i32*
@dst = external global i32
@src = external global i32
define void @test0() nounwind {
entry:
store i32* @dst, i32** @ptr
%tmp.s = load i32, i32* @src
store i32 %tmp.s, i32* @dst
ret void
; LINUX-LABEL: test0:
; LINUX: calll .L0$pb
; LINUX-NEXT: .L0$pb:
; LINUX-NEXT: popl
; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L0$pb),
; LINUX: movl dst@GOT(%eax),
; LINUX: movl ptr@GOT(%eax),
; LINUX: movl src@GOT(%eax),
; LINUX: ret
}
@ptr2 = global i32* null
@dst2 = global i32 0
@src2 = global i32 0
define void @test1() nounwind {
entry:
store i32* @dst2, i32** @ptr2
%tmp.s = load i32, i32* @src2
store i32 %tmp.s, i32* @dst2
ret void
; LINUX-LABEL: test1:
; LINUX: calll .L1$pb
; LINUX-NEXT: .L1$pb:
; LINUX-NEXT: popl
; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L1$pb), %eax
; LINUX: movl dst2@GOT(%eax),
; LINUX: movl ptr2@GOT(%eax),
; LINUX: movl src2@GOT(%eax),
; LINUX: ret
}
declare i8* @malloc(i32)
define void @test2() nounwind {
entry:
%ptr = call i8* @malloc(i32 40)
ret void
; LINUX-LABEL: test2:
; LINUX: pushl %ebx
; LINUX-NEXT: subl $8, %esp
; LINUX-NEXT: calll .L2$pb
; LINUX-NEXT: .L2$pb:
; LINUX-NEXT: popl %ebx
; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L2$pb), %ebx
; LINUX: movl $40, (%esp)
; LINUX: calll malloc@PLT
; LINUX: addl $8, %esp
; LINUX: popl %ebx
; LINUX: ret
}
@pfoo = external global void(...)*
define void @test3() nounwind {
entry:
%tmp = call void(...)*(...) @afoo()
store void(...)* %tmp, void(...)** @pfoo
%tmp1 = load void(...)*, void(...)** @pfoo
call void(...) %tmp1()
ret void
; LINUX-LABEL: test3:
; LINUX: calll .L3$pb
; LINUX-NEXT: .L3$pb:
; LINUX: popl
; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L3$pb), %[[REG3:e..]]
; LINUX: calll afoo@PLT
; LINUX: movl pfoo@GOT(%[[REG3]]),
; LINUX: calll *
}
declare void(...)* @afoo(...)
define void @test4() nounwind {
entry:
call void(...) @foo()
ret void
; LINUX-LABEL: test4:
; LINUX: calll .L4$pb
; LINUX: popl %ebx
; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L4$pb), %ebx
; LINUX: calll foo@PLT
}
declare void @foo(...)
@ptr6 = internal global i32* null
@dst6 = internal global i32 0
@src6 = internal global i32 0
define void @test5() nounwind {
entry:
store i32* @dst6, i32** @ptr6
%tmp.s = load i32, i32* @src6
store i32 %tmp.s, i32* @dst6
ret void
; LINUX-LABEL: test5:
; LINUX: calll .L5$pb
; LINUX-NEXT: .L5$pb:
; LINUX-NEXT: popl %eax
; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L5$pb), %eax
; LINUX: leal dst6@GOTOFF(%eax), %ecx
; LINUX: movl %ecx, ptr6@GOTOFF(%eax)
; LINUX: movl src6@GOTOFF(%eax), %ecx
; LINUX: movl %ecx, dst6@GOTOFF(%eax)
; LINUX: ret
}
;; Test constant pool references.
define double @test6(i32 %a.u) nounwind {
entry:
%tmp = icmp eq i32 %a.u,0
%retval = select i1 %tmp, double 4.561230e+02, double 1.234560e+02
ret double %retval
; LINUX: .LCPI6_0:
; LINUX-LABEL: test6:
; LINUX: calll .L6$pb
; LINUX: .L6$pb:
; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L6$pb),
; LINUX: fldl .LCPI6_0@GOTOFF(
}
;; Test jump table references.
define void @test7(i32 %n.u) nounwind {
entry:
switch i32 %n.u, label %bb12 [i32 1, label %bb i32 2, label %bb6 i32 4, label %bb7 i32 5, label %bb8 i32 6, label %bb10 i32 7, label %bb1 i32 8, label %bb3 i32 9, label %bb4 i32 10, label %bb9 i32 11, label %bb2 i32 12, label %bb5 i32 13, label %bb11 ]
bb:
tail call void(...) @foo1()
ret void
bb1:
tail call void(...) @foo2()
ret void
bb2:
tail call void(...) @foo6()
ret void
bb3:
tail call void(...) @foo3()
ret void
bb4:
tail call void(...) @foo4()
ret void
bb5:
tail call void(...) @foo5()
ret void
bb6:
tail call void(...) @foo1()
ret void
bb7:
tail call void(...) @foo2()
ret void
bb8:
tail call void(...) @foo6()
ret void
bb9:
tail call void(...) @foo3()
ret void
bb10:
tail call void(...) @foo4()
ret void
bb11:
tail call void(...) @foo5()
ret void
bb12:
tail call void(...) @foo6()
ret void
; LINUX-LABEL: test7:
; LINUX: calll .L7$pb
; LINUX: .L7$pb:
; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L7$pb),
; LINUX: .LJTI7_0@GOTOFF(
; LINUX: jmpl *
; LINUX: .align 4
; LINUX-NEXT: .LJTI7_0:
; LINUX: .long .LBB7_2@GOTOFF
; LINUX: .long .LBB7_8@GOTOFF
; LINUX: .long .LBB7_4@GOTOFF
; LINUX: .long .LBB7_6@GOTOFF
; LINUX: .long .LBB7_5@GOTOFF
; LINUX: .long .LBB7_8@GOTOFF
; LINUX: .long .LBB7_7@GOTOFF
}
declare void @foo1(...)
declare void @foo2(...)
declare void @foo6(...)
declare void @foo3(...)
declare void @foo4(...)
declare void @foo5(...)
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