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; RUN: llc < %s -march=arm
; PR3954
define void @foo(...) nounwind {
entry:
%rr = alloca i32 ; <i32*> [#uses=2]
%0 = load i32* %rr ; <i32> [#uses=1]
%1 = call i32 asm "nop", "=r,0"(i32 %0) nounwind ; <i32> [#uses=1]
store i32 %1, i32* %rr
br label %return
return: ; preds = %entry
ret void
}
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