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1; RUN: llc < %s -mtriple=i686-apple-darwin | FileCheck %s --check-prefix=DARWIN2; RUN: llc < %s -mtriple=i686-windows-msvc | FileCheck %s --check-prefix=WIN323; RUN: llc < %s -mtriple=x86_64-windows-msvc | FileCheck %s --check-prefix=WIN644 5declare extern_weak void @foo(...)6 7define void @bar() {8entry:9 %cmp = icmp ne ptr @foo, null10 br i1 %cmp, label %if.then, label %if.end11 12if.then:13 tail call void (...) @foo( )14 ret void15 16if.end:17 ret void18}19 20; DARWIN-LABEL: _bar:21; DARWIN: cmpl $0, L_foo$non_lazy_ptr22; DARWIN: jne _foo ## TAILCALL23 24; WIN32-LABEL: _bar:25; WIN32: cmpl $0, .refptr._foo26; WIN32: jmpl *.refptr._foo27 28; WIN64-LABEL: bar:29; WIN64: cmpq $0, .refptr.foo(%rip)30; WIN64: jmpq *.refptr.foo31 32 33declare extern_weak i32 @X(ptr)34 35@Y = global ptr @X ; <ptr> [#uses=0]36 37; DARWIN-LABEL: _Y:38; DARWIN: .long _X39 40; WIN32-LABEL: _Y:41; WIN32: .long _X42 43; WIN64-LABEL: Y:44; WIN64: .quad X45 46 47; DARWIN: .weak_reference _foo48; DARWIN: .weak_reference _X49 50; WIN32: .section .rdata$.refptr._foo,"dr",discard,.refptr._foo51; WIN32: .globl .refptr._foo52; WIN32: .refptr._foo:53; WIN32: .long _foo54 55; WIN32: .weak _foo56; WIN32: .weak _X57 58; WIN64: .section .rdata$.refptr.foo,"dr",discard,.refptr.foo59; WIN64: .globl .refptr.foo60; WIN64: .refptr.foo:61; WIN64: .quad foo62 63; WIN64: .weak foo64; WIN64: .weak X65 66