; RUN: llc < %s -fast-isel -mtriple=i386-apple-darwin -mcpu=generic | FileCheck %s
; RUN: llc < %s -fast-isel -mtriple=i386-apple-darwin -mcpu=atom | FileCheck -check-prefix=ATOM %s
; RUN: llc < %s -fast-isel -fast-isel-abort=3 -mtriple=x86_64 | FileCheck -check-prefix=ELF64 %s

@src = external dso_preemptable global i32

; rdar://6653118
define i32 @loadgv() nounwind {
entry:
	%0 = load i32, ptr @src, align 4
	%1 = load i32, ptr @src, align 4
        %2 = add i32 %0, %1
        store i32 %2, ptr @src
	ret i32 %2
; This should fold one of the loads into the add.
; CHECK-LABEL: loadgv:
; CHECK: 	movl	L_src$non_lazy_ptr, %eax
; CHECK: 	movl	(%eax), %eax
; CHECK: 	movl	L_src$non_lazy_ptr, %ecx
; CHECK: 	addl	(%ecx), %eax
; CHECK: 	movl	L_src$non_lazy_ptr, %ecx
; CHECK: 	movl	%eax, (%ecx)
; CHECK: 	ret

; ATOM:	loadgv:
; ATOM:	        movl    L_src$non_lazy_ptr, %eax
; ATOM:         movl    (%eax), %eax
; ATOM:	        movl    L_src$non_lazy_ptr, %ecx
; ATOM:         addl    (%ecx), %eax
; ATOM:	        movl    L_src$non_lazy_ptr, %ecx
; ATOM:         movl    %eax, (%ecx)
; ATOM:         ret

;; dso_preemptable src is loaded via GOT indirection.
; ELF64-LABEL: loadgv:
; ELF64:        movq    src@GOTPCREL(%rip), %rax
; ELF64-NEXT:   movl    (%rax), %eax
; ELF64-NEXT:   movq    src@GOTPCREL(%rip), %rcx
; ELF64-NEXT:   addl    (%rcx), %eax
; ELF64-NEXT:   movq    src@GOTPCREL(%rip), %rcx
; ELF64-NEXT:   movl    %eax, (%rcx)
; ELF64-NEXT:   retq

}

%stuff = type { ptr }
@LotsStuff = external constant [4 x ptr]

define void @t(ptr %this) nounwind {
entry:
	store ptr getelementptr ([4 x ptr], ptr @LotsStuff, i32 0, i32 2), ptr null, align 4
	ret void
; CHECK: _t:
; CHECK:	xorl    %eax, %eax
; CHECK:	movl	L_LotsStuff$non_lazy_ptr, %ecx

; ATOM: _t:
; ATOM:         movl    L_LotsStuff$non_lazy_ptr, %e{{..}}
; ATOM:         xorl    %e{{..}}, %e{{..}}

}