llvm-6502/test/CodeGen/X86/inline-asm-flag-clobber.ll

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; RUN: llvm-as < %s | llc -march=x86-64 | %prcontext test 1 | grep j
; PR3701
define i64 @t(i64* %arg) nounwind {
br i1 true, label %1, label %5
; <label>:1 ; preds = %0
%2 = icmp eq i64* null, %arg ; <i1> [#uses=1]
%3 = tail call i64* asm sideeffect "movl %fs:0,$0", "=r,~{dirflag},~{fpsr},~{flags}"() nounwind ; <%struct.thread*> [#uses=0]
br i1 %2, label %4, label %5
; <label>:4 ; preds = %1
ret i64 1
; <label>:5 ; preds = %1
ret i64 0
}