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; RUN: llc < %s -march=x86-64
; PR3763
%struct.__block_descriptor = type { i64, i64 }
define %struct.__block_descriptor @evUTCTime() nounwind {
entry:
br i1 false, label %if.then, label %return
if.then: ; preds = %entry
%srcval18 = load i128* null, align 8 ; <i128> [#uses=1]
%tmp15 = lshr i128 %srcval18, 64 ; <i128> [#uses=1]
%tmp9 = mul i128 %tmp15, 18446744073709551616000 ; <i128> [#uses=1]
br label %return
return: ; preds = %if.then, %entry
%retval.0 = phi i128 [ %tmp9, %if.then ], [ undef, %entry ] ; <i128> [#uses=0]
ret %struct.__block_descriptor undef
}
define i128 @test(i128 %arg) nounwind {
%A = shl i128 1, 92
%B = sub i128 0, %A
%C = mul i128 %arg, %B
ret i128 %C ;; should codegen to neg(shift)
}
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